The Bitten Fallen are residents of Yashain that have fallen from grace, and they resent the fact and seek revenge on the living.
Spirit Folk, also known as faeries, are usually described as having shy, gentle natures and often possessing various, usually minor, powers. Many are helpful and sometimes warn travelers of danger or otherwise aid them. However, they can also be mischievous, even dangerous, if provoked.
A quick and dirty index of the beasts in the Bestiary articles released by CGI.
A compilation of monsters from various sources.