Sometimes, the bats get stuck in places they ought not to be, and sometimes adventurers find them in places the party perhaps ought not to be. In either case, these nocturnal creatures may be nonmagical but are not to be underestimated.
Betrayers were damned for the sin of treachery, selling the trust of their allies when it was of greatest profit. Their auras allow them to pierce all manner of concealment while passing unseen themselves.
A lion-like creature with leathery wings and a spined tail. They are known for their poisonous barbs or quills that they can launch at foes. As they age the spines grow from their mane creating a protective hide.