Discern the Heart of the Beast

With the aid of discern the heart of the beast, a caster can determine whether a creature is a lycanthrope (werewolf, werebear, etc.). The caster of this spell—which causes a lycanthropic target to glow—must have the subject in sight, in animal or humanoid form. Lycanthrope hunters created discern the heart of the beast long ago to help them target their prey. At the time, they didn't care to know the type of werebeast they'd located, but now some wizards can use the spell to specify the type of werecreature. (Casters have a 5% chance per level to discern the type of lycanthrope.)

The material component is a pinch of silver dust.