Netherborne [An OP Monster Isekai]

After making a deal with a peculiar goddess, Victor awakens in a new world of swords & magic with a body of pure darkness and far too many eyes. He had become a Netherborne—the strongest undead race in all of existence. But what happens when a human mind inhabits such a creature? With dulled emotions and an insatiable hunger? Does only death and destruction await the world? Or will Victor be the herald of a new undead civilization? — Description from novelcodex.org