Feeblemind Spell 6

Curse Enchantment Incapacitation Mental

Traditions arcane, occult

Cast somatic, verbal

Range 30 feet; Targets 1 creature

Saving Throw Will; Duration varies

You drastically reduce the target's mental faculties. The target must attempt a Will save.

Critical Success The target is unaffected.

Success The target is stupefied 2 for 1 round.

Failure The target is stupefied 4 with an unlimited duration.

Critical Failure The target's intellect is permanently reduced below that of an animal, and it treats its Charisma, Intelligence, and Wisdom modifiers as -5. It loses all class abilities that require mental faculties, including all spellcasting. If the target is a PC, they become an NPC under the GM's control.