What happens when the spell Mental Prison ends if a creature reaches through?












9












$begingroup$


What happens when the spell mental prison ends when the creature reaches through?



According to the spell description:




the target takes 10d10 psychic damage, and the spell ends. (XGtE 161)




Does this mean they can then take their full turn? Or does this complete their turn?



I am thinking of using this spell on an adult dragon during the Rise of Tiamat campaign.










share|improve this question











$endgroup$












  • $begingroup$
    It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
    $endgroup$
    – Cœur
    yesterday










  • $begingroup$
    The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
    $endgroup$
    – Josh Robinson
    5 hours ago
















9












$begingroup$


What happens when the spell mental prison ends when the creature reaches through?



According to the spell description:




the target takes 10d10 psychic damage, and the spell ends. (XGtE 161)




Does this mean they can then take their full turn? Or does this complete their turn?



I am thinking of using this spell on an adult dragon during the Rise of Tiamat campaign.










share|improve this question











$endgroup$












  • $begingroup$
    It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
    $endgroup$
    – Cœur
    yesterday










  • $begingroup$
    The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
    $endgroup$
    – Josh Robinson
    5 hours ago














9












9








9





$begingroup$


What happens when the spell mental prison ends when the creature reaches through?



According to the spell description:




the target takes 10d10 psychic damage, and the spell ends. (XGtE 161)




Does this mean they can then take their full turn? Or does this complete their turn?



I am thinking of using this spell on an adult dragon during the Rise of Tiamat campaign.










share|improve this question











$endgroup$




What happens when the spell mental prison ends when the creature reaches through?



According to the spell description:




the target takes 10d10 psychic damage, and the spell ends. (XGtE 161)




Does this mean they can then take their full turn? Or does this complete their turn?



I am thinking of using this spell on an adult dragon during the Rise of Tiamat campaign.







dnd-5e spells






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited yesterday









V2Blast

21.8k365138




21.8k365138










asked yesterday









Josh RobinsonJosh Robinson

29027




29027












  • $begingroup$
    It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
    $endgroup$
    – Cœur
    yesterday










  • $begingroup$
    The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
    $endgroup$
    – Josh Robinson
    5 hours ago


















  • $begingroup$
    It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
    $endgroup$
    – Cœur
    yesterday










  • $begingroup$
    The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
    $endgroup$
    – Josh Robinson
    5 hours ago
















$begingroup$
It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
$endgroup$
– Cœur
yesterday




$begingroup$
It's unlikely that you'll imprison an adult dragon to begin with. The creature will prefer to spend one of its 3 legendary saves instead of suffering from 10d10 extra damage. And by the time that you cast the spell so many times that the adult dragon failed the throws a fourth time despite its +6 to +9 to charisma saves, it would have already suffered at least 4 times 5d10 initial psychic damage. So with those 10d10 extra damage for breaking the prison... that's a situation with minimum 30d10 psychic damage dealt out of 200-225 hit points: your team will have already likely finished the job.
$endgroup$
– Cœur
yesterday












$begingroup$
The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
$endgroup$
– Josh Robinson
5 hours ago




$begingroup$
The party were going to burn through the legendary saves. Also I am a Sorc I can give the dragon disadvantage on the save and my DC is 17. I like my odds :)
$endgroup$
– Josh Robinson
5 hours ago










1 Answer
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11












$begingroup$

The target's turn is not ended



Reaching through the illusion created by mental prison could involve making an attack through the illusion (which, for a creature with Multiattack or Extra Attack, means that they still get to make more attacks after the spell ends), or simply reaching through the illusion with any body part (in which case they'd still have their action, bonus action, movement, unless a DM ruled that reaching through the illusion used up an action or bonus action, but they'd still have movement and either action or bonus action).




If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 psychic damage, and the spell ends. (XGtE, p. 161)




Assuming they survive the 10d10 psychic damage, nothing in the spell description says that their turn ends when the spell ends.






share|improve this answer











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    1 Answer
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    1 Answer
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    11












    $begingroup$

    The target's turn is not ended



    Reaching through the illusion created by mental prison could involve making an attack through the illusion (which, for a creature with Multiattack or Extra Attack, means that they still get to make more attacks after the spell ends), or simply reaching through the illusion with any body part (in which case they'd still have their action, bonus action, movement, unless a DM ruled that reaching through the illusion used up an action or bonus action, but they'd still have movement and either action or bonus action).




    If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 psychic damage, and the spell ends. (XGtE, p. 161)




    Assuming they survive the 10d10 psychic damage, nothing in the spell description says that their turn ends when the spell ends.






    share|improve this answer











    $endgroup$


















      11












      $begingroup$

      The target's turn is not ended



      Reaching through the illusion created by mental prison could involve making an attack through the illusion (which, for a creature with Multiattack or Extra Attack, means that they still get to make more attacks after the spell ends), or simply reaching through the illusion with any body part (in which case they'd still have their action, bonus action, movement, unless a DM ruled that reaching through the illusion used up an action or bonus action, but they'd still have movement and either action or bonus action).




      If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 psychic damage, and the spell ends. (XGtE, p. 161)




      Assuming they survive the 10d10 psychic damage, nothing in the spell description says that their turn ends when the spell ends.






      share|improve this answer











      $endgroup$
















        11












        11








        11





        $begingroup$

        The target's turn is not ended



        Reaching through the illusion created by mental prison could involve making an attack through the illusion (which, for a creature with Multiattack or Extra Attack, means that they still get to make more attacks after the spell ends), or simply reaching through the illusion with any body part (in which case they'd still have their action, bonus action, movement, unless a DM ruled that reaching through the illusion used up an action or bonus action, but they'd still have movement and either action or bonus action).




        If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 psychic damage, and the spell ends. (XGtE, p. 161)




        Assuming they survive the 10d10 psychic damage, nothing in the spell description says that their turn ends when the spell ends.






        share|improve this answer











        $endgroup$



        The target's turn is not ended



        Reaching through the illusion created by mental prison could involve making an attack through the illusion (which, for a creature with Multiattack or Extra Attack, means that they still get to make more attacks after the spell ends), or simply reaching through the illusion with any body part (in which case they'd still have their action, bonus action, movement, unless a DM ruled that reaching through the illusion used up an action or bonus action, but they'd still have movement and either action or bonus action).




        If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 psychic damage, and the spell ends. (XGtE, p. 161)




        Assuming they survive the 10d10 psychic damage, nothing in the spell description says that their turn ends when the spell ends.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited yesterday

























        answered yesterday









        NathanSNathanS

        24.6k8116261




        24.6k8116261






























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