MTL - Cataclysm King - Chapter 244 [Rare Vampire Heart (Silver)]

An advertising director is reborn in 1988 Hollywood as an eighteen-year-old blond-haired westerner named Eric Williams.

What's the book about? It is about Demonic Cultivation!, If you cannot handle it, Please don't read it.Synopsis:When Song Wen killed the frail beggar who fought him over food and consumed his blood and soul, every cell in his body leaped with excitement. His spirit was exhilarated, and he realized then that his life would henceforth be filled with slaughter. For survival, for longevity, he would spare no effort, even if it meant creating mountains of corpses and seas of blood.

Mason was a mercenary, until the day he died on a mission after being betrayed by his unit.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.