Touch of Idiocy

Touch of Idiocy: Target takes 1d6 penalty to his Charisma, Intelligence and Wisdom scores. Target's scores may not be reduced to less than 1.

This spell’s effect may make it impossible for the target to cast some or all of its spells, if the requisite ability score drops below the minimum required to cast spells of that level.

Curable by Lesser Restoration, Restoration and Heal.