Suffering Knowledge

Suffering Knowledge (Su): You can learn to cast a spell by suffering from its effects. When you fail a saving throw against a spell cast by an enemy, as an immediate action you can expend 1 point from your arcane reservoir to temporarily acquire the spell. You can cast the spell using your spell slots as if it was a spell you had prepared that day. The spell must be on your spell list and must be of a level that you can cast. The ability to cast this spell remains for a number of rounds equal to the your Charisma modifier (minimum 1).

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