Werecreatures
Humans that can turn into beasts. Either by magic provided by the Black Serpent or Svarog, or through a curse cast by a sorcerer
The undead
Vampires, ghosts and Mauks
Creatures of legends and fairytales
Maregnomes, the hopskotsj, kobolds, the firebird, dragons and giants. Some are creatures you can meet at the larp, and some are only fairytales or superstition.
Demons and devils
Called Bes in Triman, these are creatures serving the Black Serpent