Vampire in the Harry Potter World(Hiatus)

When Kai is killed in a terrorist attack, he wakes up in a forest a few miles west of a small town called Godric's Hollow and finds himself with superior strength, speed... When Kai moves through the town he discovers an attack on one of the families what will he do? -This is my first time writing a novel so I will have mistakes, so I'd appreciate it if you could point them out. -The type of vampire is the vampire from twilight with some of my own changes. -I want to point out that both HP and Twilight don't belong to me. I'm also writing this on Qidian International