Izu Obi 
Vane: The Genesis of Revelations 

In a world full of monsters, assassins, and psychopathic vampires, it“s a miracle any one left is sane. A young emotionless assassin finds himself cut off from his past life, and on a treacherous journey into forbidden territories. He, alongside a group of scarred heroes, have come with a sense of vendetta to do the unthinkable that would either save them, or damn them all to hell.