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School divination; Level inquisitor 3, magus 3, ranger 2, sorcerer/wizard 3, witch 3
Casting time 1 standard action
Components V, S, M/DF (a pickled predator's eye)
Duration 1 minute/level
You can sense your foes' weak points, granting you greater damage with critical hits. Whenever you score a critical hit, roll the attack's damage dice (but not extra or precision damage dice) twice and take the highest result.