EternalStar1
Man, I really don't know what's in the minds of these authors, who like to start the story by putting a horn on the protagonist's head. He got cheating, his bloodthirsty side went on a rampage, he killed his girlfriend and the guy. Now he's going to become a baddas vampire, ruthless, cold, extremely aloof and anti-hero and/or villain. That's my guess.
U should give the mc the following characters as a template system ( cadis etrama di raizel + alucard from helsing + UQ holder has an op vampires so u should check them out + dio from jojo bizarre adventures us should include his stand + Kars also from jojo + and lastly- D - from vampire hunter d he is op af if u had read abo him then u should know just how op this dude is ........ oh and u should add Cain from world of darkness I hear he is op