Undeserved Valhalla Book 1: Heroes Never Die

Kiritsugu Emiya. Magus Killer. Father. Husband. None of his names could hide him from his sins. He was ready to face them when he died. What he was not ready for, however, was to be given a second chance. Unfortunately, once you take on the name "Hero of Justice", you can never take it off. Welcome to your Valhalla, Kiritsugu. Extreme-AU, co-authored with Pallan Minerva