Crown of Thorns

You create a psychic binding on the mind of a creature within range. Until this spell ends, the creature must make a Charisma saving throw each time it casts a spell. On a failed save, it takes 2d6 ps

Level
4
School
enchantment
Casting time
1 action
Range
30 Feet
Components
V, S, M
Duration
Up to 1 minute
Classes
Druid, Sorceror, Warlock, Wizard
Concentration
Yes

You create a psychic binding on the mind of a creature within range. Until this spell ends, the creature must make a Charisma saving throw each time it casts a spell. On a failed save, it takes 2d6 psychic damage, and it fails to cast the spell. It doesn't expend a spell slot if it fails to cast the spell.

Source and licence

From Tome of Heroes.

Licence: Open Game Content (OGL 1.0a).

Every licence notice Tavern Bag relies on.