Spell Opportunity (Feat)
You are fearless in melee, using your spells to smash your foes face-to-face.
Prerequisites: Caster Level 21, Combat Casting (Feat), Combat Reflexes (Feat), Quicken Spell (Feat)
Benefit: Whenever you are allowed an attack of opportunity, you may cast (and attack with) any touch spell as your attack of opportunity. Doing so does not provoke attacks of opportunity.