Reanimated corpses or phantasms unable to pass on. The Undead are unnatural and often malicious forces that haunt the living for one reason or another. Some are souls locked into a corpse forced to serve a master while others are emotionally charged long dead souls puppeting a host or region.
Undead are a creature type with the following traits (unless otherwise noted in a creature’s entry):
Darkvision
Immunity to death effects, disease, paralysis, poison, and sleep effects
Cannot heal damage on its own
Immunity to any effect that requires a Fortitude save (unless the effect also works on objects or is harmless)
Not affected by raise dead and reincarnate spells or abilities. Resurrection and true resurrection can affect undead creatures. These spells turn undead creatures back into the living creatures they were before becoming undead.
Channel Negative Energy - They are harmed by healing magic and healed by negative energy spells.
Undead do not breathe, eat, or sleep.