Locate Weakness

School divination
Level Ranger 2, Sorcerer/Wizard 3
Casting Time 1 standard action
Components V, S, M/DF (a pickled predator’s eye)
Range personal
Target you
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