Insectoid: Monster having insect like body or being composed of many insects.

Undead: Moving leftovers from the body of the dead. They do not possess a soul.

Ghost: Pure souls or joined together fragments of souls creating immaterial creature.

Automaton: Machine created by human hands but due to negligence turned against them.

Plant: Monster having body made out of plant tissues and fragments.

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Living Shadow: Creation made out of pure darkness. Instead of souls, like ghosts, they are remnants of human emotions and wants.

Aberration: Beasts consisting of disorganized flesh, muscle mass and other additions. They do not have constant form.

Demon: Creature from different dimension. They vary greatly in forms and shapes but almost always have superb abilities in manipulating life essence.

Sleep Demon: Monster very similar to normal demons but differs in their location. While demons come from another dimensions, sleep demons come from mirror plane, which consists of relfections of human nightmares.

Parasite: Creature that depend on animals, humans, machines and other monsters by sucking out the energy.

Conjoiner: Beeing that loosely consists of monsters that do not fall in other categories and usualy consist of two or more different kinds of them.