The first Fate/Stay Night-Campione! crossover. A Heavens Feel Shirou finds that himself and Illya have been pulled into another world by a corrupted Grail. There his actions lead to him becoming the Eighth god killing Devil King. Now he has to deal with becoming someone who rules where he walks, even if he doesn't want to. That and trying to find a way back home.

He promised to be a Hero capable of saving everyone. But before that he made other promises he can't remember under a different name. How will Shirou react when he finds his lost past? - Shirou/Multi Mature Contents.