Detect Shapechanger

By means of this spell, the wu jen is able to see the true form of any shapechanging creature (the true form is the shape most commonly assumed by the creature). If the creature is currently in that form, the spell reveals that it is a shapechanger but does no! reveal the other forms possible to the shapechanger. The spell does not disclose the specific type of shapechanger nor the alignment or intentions of the creature. One creature or one square yard of area can be examined each round.

The material component for this spell is balm of honey and lotus flower smeared on the eyelids of the caster.