The Godsend Backfire

Sent down from Paradise two-hundred years before Jesus's time, to try to control his brothers, one a werewolf, the other a vampire, Roldian, a Nephilim, embarks on an adventure. Through an unfortunate event, which showed human kinds true colors, and a newfound bloodlust, Roldian slowly begins turn on those he's sworn to protect. Over a series of three books, he becomes more of monster than them and becomes the hunted.