Monster among men

Bram ended up being the subject of a warlock trying to revive the god of monsters. The warlock injected him with the blood of that god and since he didn’t transform initially, the warlock abandoned him at his castle, forcing Bram to suffer the transformation alone. One day, y/n stumbles on the castle while looking for shelter from a storm, not expecting to encounter Bram who is now transformed into the new giant god of monsters