Seeing a creature clearly casting a spell, you break a tiny elongated circular mirror to try to stop the creature from using its spell properly
You attempt to interrupt a creature in the process of casting a spell. If the creature is casting a spell or cantrip make an ability check using your spellcasting ability. The DC equals 10 + the spell's level. On a success, roll a D4
1. The spell is used on the caster instead
2. Damage type changes to the opposite type (See below)
Acid, Poison ↔ Thunder, Lightning
Fire ↔ Cold
Necrotic, Physic ↔Radiance
Piercing, Slashing ↔ Bludgeoning, Force
3. If you know the spell "Poison the Cup" You can change healing into damage and vice versa, If you don't know the spell "Poison the Cup" the creature's spell fails and has no effect.
4. The spells target randomly changes to a different creature (roll a dice based on the number of creatures in the room
Note. When you cast this spell you use a spell slot equal to the spell slot of the attempted spells level
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