Organsight

—Range 30 feet; Duration 1 minute
-Targets 1 living or undead creature that has organs

You see the target as though dissected, gaining a +2
circumstance bonus on Medicine checks against its
organs but a -2 penalty on skin checks. When cast,
attempt a Recall Knowledge check (Medicine or
relevant Lore). On success, your next piercing or
slashing attack deals 4d6 extra precision damage.
Repeat the check once per turn. Heightened (+1):
Precision damage increases by 1d6.