Soulless beings that hunt humankind at the behest of their creator Versa.
Eve theorizes that monsters hunt humans because they yearn a soul of their own; a prize that they can never obtain, for the human soul is divine.
According to Void, they are Novrand's autonomous defense system left behind by humanity's creator, which is trying to purge the cosmic parasite from the world. However, the system is failing at its task, for Ardia's pull on the souls of humanity is too strong.