Can you cast a spell on someone in the Ethereal Plane, if you are on the Material Plane and have the True...

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Can you cast a spell on someone in the Ethereal Plane, if you are on the Material Plane and have the True Seeing spell active?



The 2019 Stack Overflow Developer Survey Results Are InWhat can a Succubus do in the Ethereal Plane?Can Force effects from the Border Ethereal affect targets on the Prime Material?What are the implications of being able to see into the Ethereal Plane in Curse of Strahd?Does ethereal chamber work if both caster and target are on the Ethereal Plane?What would happen if a wizard calls a familiar in the Ethereal Plane and then returns to the Material Plane?Can someone on the Ethereal Plane tell if someone on the material plane is a ghost?If you cast Blink, do spells with visual/physical effects centered on the caster follow you to the Ethereal Plane?Is it possible to attack from the Ethereal Plane to the Material Plane?Can Blink and Banishment be combined to have an effect similar to Etherealness?Is it possible to cast the spell Temple of the Gods on the Ethereal Plane?





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$begingroup$


A creature is on the Material Plane and can perceive someone on the Ethereal Plane using the True Seeing spell. Can that creature cast a spell that only requires that they see the character on the creature in the Ethereal Plane?



For example, could someone on the Material Plane that has truesight cast Eyebite on a creature it can see in the Ethereal Plane? Eyebite just requires that you see your target, and with truesight the caster can see the creature on the Ethereal Plane.



Etherealness says:




Creatures that aren't on the Ethereal Plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so.




True seeing gives the caster the ability to perceive the person on the Ethereal Plane. The text for Eyebite implies it only requires you to see the target. So can the person on the Material Plane with True Seeing active cast Eyebite on someone the see in the Ethereal plane?



I'm using Eyebite as an example, but it could be applied to any spell that only requires sight.










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    4












    $begingroup$


    A creature is on the Material Plane and can perceive someone on the Ethereal Plane using the True Seeing spell. Can that creature cast a spell that only requires that they see the character on the creature in the Ethereal Plane?



    For example, could someone on the Material Plane that has truesight cast Eyebite on a creature it can see in the Ethereal Plane? Eyebite just requires that you see your target, and with truesight the caster can see the creature on the Ethereal Plane.



    Etherealness says:




    Creatures that aren't on the Ethereal Plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so.




    True seeing gives the caster the ability to perceive the person on the Ethereal Plane. The text for Eyebite implies it only requires you to see the target. So can the person on the Material Plane with True Seeing active cast Eyebite on someone the see in the Ethereal plane?



    I'm using Eyebite as an example, but it could be applied to any spell that only requires sight.










    share|improve this question









    New contributor




    ricitron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      4












      4








      4





      $begingroup$


      A creature is on the Material Plane and can perceive someone on the Ethereal Plane using the True Seeing spell. Can that creature cast a spell that only requires that they see the character on the creature in the Ethereal Plane?



      For example, could someone on the Material Plane that has truesight cast Eyebite on a creature it can see in the Ethereal Plane? Eyebite just requires that you see your target, and with truesight the caster can see the creature on the Ethereal Plane.



      Etherealness says:




      Creatures that aren't on the Ethereal Plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so.




      True seeing gives the caster the ability to perceive the person on the Ethereal Plane. The text for Eyebite implies it only requires you to see the target. So can the person on the Material Plane with True Seeing active cast Eyebite on someone the see in the Ethereal plane?



      I'm using Eyebite as an example, but it could be applied to any spell that only requires sight.










      share|improve this question









      New contributor




      ricitron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      A creature is on the Material Plane and can perceive someone on the Ethereal Plane using the True Seeing spell. Can that creature cast a spell that only requires that they see the character on the creature in the Ethereal Plane?



      For example, could someone on the Material Plane that has truesight cast Eyebite on a creature it can see in the Ethereal Plane? Eyebite just requires that you see your target, and with truesight the caster can see the creature on the Ethereal Plane.



      Etherealness says:




      Creatures that aren't on the Ethereal Plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so.




      True seeing gives the caster the ability to perceive the person on the Ethereal Plane. The text for Eyebite implies it only requires you to see the target. So can the person on the Material Plane with True Seeing active cast Eyebite on someone the see in the Ethereal plane?



      I'm using Eyebite as an example, but it could be applied to any spell that only requires sight.







      dnd-5e spells planes targeting ethereal-plane






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      share|improve this question









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      edited 4 hours ago









      Rubiksmoose

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          2 Answers
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          active

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          6












          $begingroup$

          No, not unless a spell specifically allow it to cross planar boundaries



          Etherealness says:




          You ignore all objects and effects that aren't on the Ethereal Plane




          Unless the caster has a means to transport their effect to the Ethereal Plane, all spell effects that they create will be in the Material Plane. And since a creature under the effects of etherealness is immune to effects not in the Ethereal Plane they would not be affected by them.



          Additional support comes from the part you already quoted:




          Creatures that aren't on the Ethereal plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so




          True seeing might give a creature the ability to see you, but it does not magically give them the ability to interact with you. You are still on a separate plane. Thus, they are not able to target you with effects for this reason as well as it is a type of interaction.



          Spell which target by sight still have to meet other requirements



          As a related aside: when a spell says that you must be able to see the target, it does not mean that this is the only requirement that the spell has for being able to target something. All spells, for example, must have a clear path to the target (unless something in the spell effect says otherwise) by default.



          Though nothing says it explicitly in the rules, it seems the most logical ruling would be that you do not have a clear path to things on a separate plane from yourself. Spell effects cannot cross planar boundaries unless they explicitly say so. Adding a requirement that you must be able to see the target does not bypass these other considerations.






          share|improve this answer











          $endgroup$













          • $begingroup$
            I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
            $endgroup$
            – ricitron
            3 hours ago












          • $begingroup$
            @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @ricitron does that look like it addresses that concern?
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
            $endgroup$
            – PixelMaster
            3 hours ago








          • 1




            $begingroup$
            Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            39 mins ago



















          0












          $begingroup$

          Yes



          While "[y]ou ignore all objects and effects that aren't on the Ethereal Plane", where a particular spell's effect happens depends on the target of the spell.



          For example:




          • Fireball: "A bright streak flashes from your pointing finger to a point you choose within range ...". Your finger is on the material plane, therefore, so is the Fireball.


          • Hold Person: "Choose a humanoid that you can see within range." You can see them, they are in range (since distance on the Ethereal and the Material have a 1:1 correspondence), the spell can affect them regardless of which plane they are on.


          • Suggestion: "a creature you can see within range that can hear and understand you." If they can hear material things then it affects them, if they can't, it won't. We know from the Etherealness spell that material creatures can't "perceive" ethereal creatures without magic and True Seeing only covers sight not hearing. However, while we know ethereal creatures can see 60 feet into the material we don't know if they can hear into it - in the Forgotten Realms the answer appears no be no but your DM may rule yes.







          share|improve this answer











          $endgroup$













          • $begingroup$
            Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            37 mins ago










          • $begingroup$
            @V2Blast which makes no sense with a spell like Forcecage
            $endgroup$
            – Dale M
            36 mins ago










          • $begingroup$
            For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
            $endgroup$
            – V2Blast
            23 mins ago










          • $begingroup$
            @V2Blast yes, but they are infinitely far away so how can you be inside it?
            $endgroup$
            – Dale M
            21 mins ago












          Your Answer





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          2 Answers
          2






          active

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          2 Answers
          2






          active

          oldest

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          active

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          active

          oldest

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          6












          $begingroup$

          No, not unless a spell specifically allow it to cross planar boundaries



          Etherealness says:




          You ignore all objects and effects that aren't on the Ethereal Plane




          Unless the caster has a means to transport their effect to the Ethereal Plane, all spell effects that they create will be in the Material Plane. And since a creature under the effects of etherealness is immune to effects not in the Ethereal Plane they would not be affected by them.



          Additional support comes from the part you already quoted:




          Creatures that aren't on the Ethereal plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so




          True seeing might give a creature the ability to see you, but it does not magically give them the ability to interact with you. You are still on a separate plane. Thus, they are not able to target you with effects for this reason as well as it is a type of interaction.



          Spell which target by sight still have to meet other requirements



          As a related aside: when a spell says that you must be able to see the target, it does not mean that this is the only requirement that the spell has for being able to target something. All spells, for example, must have a clear path to the target (unless something in the spell effect says otherwise) by default.



          Though nothing says it explicitly in the rules, it seems the most logical ruling would be that you do not have a clear path to things on a separate plane from yourself. Spell effects cannot cross planar boundaries unless they explicitly say so. Adding a requirement that you must be able to see the target does not bypass these other considerations.






          share|improve this answer











          $endgroup$













          • $begingroup$
            I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
            $endgroup$
            – ricitron
            3 hours ago












          • $begingroup$
            @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @ricitron does that look like it addresses that concern?
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
            $endgroup$
            – PixelMaster
            3 hours ago








          • 1




            $begingroup$
            Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            39 mins ago
















          6












          $begingroup$

          No, not unless a spell specifically allow it to cross planar boundaries



          Etherealness says:




          You ignore all objects and effects that aren't on the Ethereal Plane




          Unless the caster has a means to transport their effect to the Ethereal Plane, all spell effects that they create will be in the Material Plane. And since a creature under the effects of etherealness is immune to effects not in the Ethereal Plane they would not be affected by them.



          Additional support comes from the part you already quoted:




          Creatures that aren't on the Ethereal plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so




          True seeing might give a creature the ability to see you, but it does not magically give them the ability to interact with you. You are still on a separate plane. Thus, they are not able to target you with effects for this reason as well as it is a type of interaction.



          Spell which target by sight still have to meet other requirements



          As a related aside: when a spell says that you must be able to see the target, it does not mean that this is the only requirement that the spell has for being able to target something. All spells, for example, must have a clear path to the target (unless something in the spell effect says otherwise) by default.



          Though nothing says it explicitly in the rules, it seems the most logical ruling would be that you do not have a clear path to things on a separate plane from yourself. Spell effects cannot cross planar boundaries unless they explicitly say so. Adding a requirement that you must be able to see the target does not bypass these other considerations.






          share|improve this answer











          $endgroup$













          • $begingroup$
            I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
            $endgroup$
            – ricitron
            3 hours ago












          • $begingroup$
            @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @ricitron does that look like it addresses that concern?
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
            $endgroup$
            – PixelMaster
            3 hours ago








          • 1




            $begingroup$
            Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            39 mins ago














          6












          6








          6





          $begingroup$

          No, not unless a spell specifically allow it to cross planar boundaries



          Etherealness says:




          You ignore all objects and effects that aren't on the Ethereal Plane




          Unless the caster has a means to transport their effect to the Ethereal Plane, all spell effects that they create will be in the Material Plane. And since a creature under the effects of etherealness is immune to effects not in the Ethereal Plane they would not be affected by them.



          Additional support comes from the part you already quoted:




          Creatures that aren't on the Ethereal plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so




          True seeing might give a creature the ability to see you, but it does not magically give them the ability to interact with you. You are still on a separate plane. Thus, they are not able to target you with effects for this reason as well as it is a type of interaction.



          Spell which target by sight still have to meet other requirements



          As a related aside: when a spell says that you must be able to see the target, it does not mean that this is the only requirement that the spell has for being able to target something. All spells, for example, must have a clear path to the target (unless something in the spell effect says otherwise) by default.



          Though nothing says it explicitly in the rules, it seems the most logical ruling would be that you do not have a clear path to things on a separate plane from yourself. Spell effects cannot cross planar boundaries unless they explicitly say so. Adding a requirement that you must be able to see the target does not bypass these other considerations.






          share|improve this answer











          $endgroup$



          No, not unless a spell specifically allow it to cross planar boundaries



          Etherealness says:




          You ignore all objects and effects that aren't on the Ethereal Plane




          Unless the caster has a means to transport their effect to the Ethereal Plane, all spell effects that they create will be in the Material Plane. And since a creature under the effects of etherealness is immune to effects not in the Ethereal Plane they would not be affected by them.



          Additional support comes from the part you already quoted:




          Creatures that aren't on the Ethereal plane can't perceive you and can't interact with you, unless a special ability or magic has given them the ability to do so




          True seeing might give a creature the ability to see you, but it does not magically give them the ability to interact with you. You are still on a separate plane. Thus, they are not able to target you with effects for this reason as well as it is a type of interaction.



          Spell which target by sight still have to meet other requirements



          As a related aside: when a spell says that you must be able to see the target, it does not mean that this is the only requirement that the spell has for being able to target something. All spells, for example, must have a clear path to the target (unless something in the spell effect says otherwise) by default.



          Though nothing says it explicitly in the rules, it seems the most logical ruling would be that you do not have a clear path to things on a separate plane from yourself. Spell effects cannot cross planar boundaries unless they explicitly say so. Adding a requirement that you must be able to see the target does not bypass these other considerations.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 3 hours ago

























          answered 4 hours ago









          RubiksmooseRubiksmoose

          61.2k10294450




          61.2k10294450












          • $begingroup$
            I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
            $endgroup$
            – ricitron
            3 hours ago












          • $begingroup$
            @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @ricitron does that look like it addresses that concern?
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
            $endgroup$
            – PixelMaster
            3 hours ago








          • 1




            $begingroup$
            Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            39 mins ago


















          • $begingroup$
            I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
            $endgroup$
            – ricitron
            3 hours ago












          • $begingroup$
            @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @ricitron does that look like it addresses that concern?
            $endgroup$
            – Rubiksmoose
            3 hours ago










          • $begingroup$
            @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
            $endgroup$
            – PixelMaster
            3 hours ago








          • 1




            $begingroup$
            Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            39 mins ago
















          $begingroup$
          I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
          $endgroup$
          – ricitron
          3 hours ago






          $begingroup$
          I agree with you, but playing devil's advocate, while I understand the "can't perceive you can can't interact with you" part, if the prerequisite for the interaction is perception (being able to see the target, as in the Eyebite spell), then what's preventing the casting of the spell? Is it because as you say all spells cast on the Material Plane can't affect the Ethereal plane unless specifically noted in the spell text?
          $endgroup$
          – ricitron
          3 hours ago














          $begingroup$
          @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
          $endgroup$
          – Rubiksmoose
          3 hours ago




          $begingroup$
          @ricitron correct, also note the last paragraph because perception is not the only requisite for eyebite to take effect. You could not cast it at a creature behind a transparent sheet of glass completely covering it for example (because the spell does not have a clear path). I'll try to make that point clearer in my answer though.
          $endgroup$
          – Rubiksmoose
          3 hours ago












          $begingroup$
          @ricitron does that look like it addresses that concern?
          $endgroup$
          – Rubiksmoose
          3 hours ago




          $begingroup$
          @ricitron does that look like it addresses that concern?
          $endgroup$
          – Rubiksmoose
          3 hours ago












          $begingroup$
          @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
          $endgroup$
          – PixelMaster
          3 hours ago






          $begingroup$
          @Rubiksmoose I think I remember that Crawford tweeted at some point that two people on separate planes, whether the Ethereal is involved or not, are infinitely far away from each other (or something like that). I'm busy studying for an exam tomorrow, so I don't have to time to look it up right now, but if you want to look it up, it might add value to your answer, concerning "a clear path to the target".
          $endgroup$
          – PixelMaster
          3 hours ago






          1




          1




          $begingroup$
          Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
          $endgroup$
          – V2Blast
          39 mins ago




          $begingroup$
          Here's the Crawford tweet @PixelMaster mentioned: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
          $endgroup$
          – V2Blast
          39 mins ago













          0












          $begingroup$

          Yes



          While "[y]ou ignore all objects and effects that aren't on the Ethereal Plane", where a particular spell's effect happens depends on the target of the spell.



          For example:




          • Fireball: "A bright streak flashes from your pointing finger to a point you choose within range ...". Your finger is on the material plane, therefore, so is the Fireball.


          • Hold Person: "Choose a humanoid that you can see within range." You can see them, they are in range (since distance on the Ethereal and the Material have a 1:1 correspondence), the spell can affect them regardless of which plane they are on.


          • Suggestion: "a creature you can see within range that can hear and understand you." If they can hear material things then it affects them, if they can't, it won't. We know from the Etherealness spell that material creatures can't "perceive" ethereal creatures without magic and True Seeing only covers sight not hearing. However, while we know ethereal creatures can see 60 feet into the material we don't know if they can hear into it - in the Forgotten Realms the answer appears no be no but your DM may rule yes.







          share|improve this answer











          $endgroup$













          • $begingroup$
            Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            37 mins ago










          • $begingroup$
            @V2Blast which makes no sense with a spell like Forcecage
            $endgroup$
            – Dale M
            36 mins ago










          • $begingroup$
            For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
            $endgroup$
            – V2Blast
            23 mins ago










          • $begingroup$
            @V2Blast yes, but they are infinitely far away so how can you be inside it?
            $endgroup$
            – Dale M
            21 mins ago
















          0












          $begingroup$

          Yes



          While "[y]ou ignore all objects and effects that aren't on the Ethereal Plane", where a particular spell's effect happens depends on the target of the spell.



          For example:




          • Fireball: "A bright streak flashes from your pointing finger to a point you choose within range ...". Your finger is on the material plane, therefore, so is the Fireball.


          • Hold Person: "Choose a humanoid that you can see within range." You can see them, they are in range (since distance on the Ethereal and the Material have a 1:1 correspondence), the spell can affect them regardless of which plane they are on.


          • Suggestion: "a creature you can see within range that can hear and understand you." If they can hear material things then it affects them, if they can't, it won't. We know from the Etherealness spell that material creatures can't "perceive" ethereal creatures without magic and True Seeing only covers sight not hearing. However, while we know ethereal creatures can see 60 feet into the material we don't know if they can hear into it - in the Forgotten Realms the answer appears no be no but your DM may rule yes.







          share|improve this answer











          $endgroup$













          • $begingroup$
            Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            37 mins ago










          • $begingroup$
            @V2Blast which makes no sense with a spell like Forcecage
            $endgroup$
            – Dale M
            36 mins ago










          • $begingroup$
            For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
            $endgroup$
            – V2Blast
            23 mins ago










          • $begingroup$
            @V2Blast yes, but they are infinitely far away so how can you be inside it?
            $endgroup$
            – Dale M
            21 mins ago














          0












          0








          0





          $begingroup$

          Yes



          While "[y]ou ignore all objects and effects that aren't on the Ethereal Plane", where a particular spell's effect happens depends on the target of the spell.



          For example:




          • Fireball: "A bright streak flashes from your pointing finger to a point you choose within range ...". Your finger is on the material plane, therefore, so is the Fireball.


          • Hold Person: "Choose a humanoid that you can see within range." You can see them, they are in range (since distance on the Ethereal and the Material have a 1:1 correspondence), the spell can affect them regardless of which plane they are on.


          • Suggestion: "a creature you can see within range that can hear and understand you." If they can hear material things then it affects them, if they can't, it won't. We know from the Etherealness spell that material creatures can't "perceive" ethereal creatures without magic and True Seeing only covers sight not hearing. However, while we know ethereal creatures can see 60 feet into the material we don't know if they can hear into it - in the Forgotten Realms the answer appears no be no but your DM may rule yes.







          share|improve this answer











          $endgroup$



          Yes



          While "[y]ou ignore all objects and effects that aren't on the Ethereal Plane", where a particular spell's effect happens depends on the target of the spell.



          For example:




          • Fireball: "A bright streak flashes from your pointing finger to a point you choose within range ...". Your finger is on the material plane, therefore, so is the Fireball.


          • Hold Person: "Choose a humanoid that you can see within range." You can see them, they are in range (since distance on the Ethereal and the Material have a 1:1 correspondence), the spell can affect them regardless of which plane they are on.


          • Suggestion: "a creature you can see within range that can hear and understand you." If they can hear material things then it affects them, if they can't, it won't. We know from the Etherealness spell that material creatures can't "perceive" ethereal creatures without magic and True Seeing only covers sight not hearing. However, while we know ethereal creatures can see 60 feet into the material we don't know if they can hear into it - in the Forgotten Realms the answer appears no be no but your DM may rule yes.








          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 38 mins ago









          V2Blast

          26.6k591162




          26.6k591162










          answered 43 mins ago









          Dale MDale M

          111k24289490




          111k24289490












          • $begingroup$
            Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            37 mins ago










          • $begingroup$
            @V2Blast which makes no sense with a spell like Forcecage
            $endgroup$
            – Dale M
            36 mins ago










          • $begingroup$
            For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
            $endgroup$
            – V2Blast
            23 mins ago










          • $begingroup$
            @V2Blast yes, but they are infinitely far away so how can you be inside it?
            $endgroup$
            – Dale M
            21 mins ago


















          • $begingroup$
            Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
            $endgroup$
            – V2Blast
            37 mins ago










          • $begingroup$
            @V2Blast which makes no sense with a spell like Forcecage
            $endgroup$
            – Dale M
            36 mins ago










          • $begingroup$
            For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
            $endgroup$
            – V2Blast
            23 mins ago










          • $begingroup$
            @V2Blast yes, but they are infinitely far away so how can you be inside it?
            $endgroup$
            – Dale M
            21 mins ago
















          $begingroup$
          Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
          $endgroup$
          – V2Blast
          37 mins ago




          $begingroup$
          Relevant (unofficial) Crawford tweet: "If two people are on different planes of existence, they are infinitely far away from each other. For example, if I'm on the Material Plane and you're on the Ethereal Plane, we're not within 30 feet of each other."
          $endgroup$
          – V2Blast
          37 mins ago












          $begingroup$
          @V2Blast which makes no sense with a spell like Forcecage
          $endgroup$
          – Dale M
          36 mins ago




          $begingroup$
          @V2Blast which makes no sense with a spell like Forcecage
          $endgroup$
          – Dale M
          36 mins ago












          $begingroup$
          For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
          $endgroup$
          – V2Blast
          23 mins ago




          $begingroup$
          For forcecage, it explicitly extends into the Ethereal Plane, so all you need to do is target the corresponding area in the Material Plane.
          $endgroup$
          – V2Blast
          23 mins ago












          $begingroup$
          @V2Blast yes, but they are infinitely far away so how can you be inside it?
          $endgroup$
          – Dale M
          21 mins ago




          $begingroup$
          @V2Blast yes, but they are infinitely far away so how can you be inside it?
          $endgroup$
          – Dale M
          21 mins ago










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