Undead

The Undead are monsters created from the bodies of deceased animals or humans. Usually, it is illegal for one to create an undead, but a license can be obtained from most kingdoms and colonies for personal research. Those who create undead are called necromancers. The largest institute of undead research is The Undead Research Institute, located in Shadowrian.

Methods of Creating Undead
The exact nature of the undead is determined in how one creates the undead. The most common type of undead are automaton zombies. They are created by magically reanimating the corpse back to a life-like state after the spirit has departed. Zombies possess little to no resemblance of their former personality, and are purely active on a subconscious, reactionary level. Despite this, they're easily manipulatable by necromancers, making them obvious soldier fodder for an evil undead army.

A more complicated type of undead are puppets, which are lifeless corpses controlled by the necromancer directly. These undead require a lot of concentration to use, making them more suited for pranks rather than battle.

The third, and most cruel, type of undead involves fetching the spirit from the afterlife and reattaching it to the body. While in theory it is similar to the process used by reviver stones, this type of undead don't come back quite right, as the spirit almost always goes mad in the process. However, this does allow for the undead to carry the same powers the person in life had, as well as portions of their remaining personality.