Strange Vampire System

The world is now at chaos since the introduction of arcana(inner power), Humans learn to unlock their arcana which has lead to the evolution of animals into strange and dangerous beasts and creatures the world has ever seen, which roam all over the world. Xander is a little boy who is abondoned in this world, atleast no one knows where his parents are. In the world where the strongest will survive Xander failed to unlock his arcana...how will he survive???