Dragon Corpse

The wandering remnants of a dragon which lost its life a long time ago. It is possessed by an evil spirit, and roams the earth to bring death onto others. The former soul of the dragon has departed, and now its remains is simply a puppet to the evil spirit to do its bidding. Because the spirit can leave its dragon host after it is defeated, the only way to prevent further spawning of dragon corpses are to bury their bones after their defeat.