Code Vein which will discuss vampiristic world and context of the situation in which the characters find themselves in.

Lore Code Vein is set on a post-apocalyptic world after the event "The Great Collapse" happened. You play as a Revenant, a human that has been brought back to life to fight against the Lost.

Revenants Revenants were created by implanting an engineered BOR parasite into the heart of a human corpse. BOR Parasites (Biological Organ Regenerative Parasite).