Dragon Magic is also skin deep

[tomc]

Originally Posted by David Bofinger

I always imagined the gallbladder made gall, and the gall spread through the body, and did the levitating. But who knows.

The liver makes the bile, and the gallbladder stores it and squirts it into the digestive system when needed. Maybe gargoyle livers have some value as well?

A copy of "Gray's Anatomy of Magical Creatures" would be a valuable resource in what could become a very gruesome campaign.