Third Fang's FFD Shirou, Saber, Illya, and Assassin are commissioned by Zelretch to go to the world of Harry Potter to kill Voldemort and Protect Iris Potter. (Fem Harry) [Rated M for abuse, emotional trauma, and a lot of killings (Because this is FFD Shirou we're talking about, the guy goes nuts with hidden explosives whenever he gets stressed out, so yeah.)]
Crossover - Harry Potter & Fate/stay night - Rated: M - English - Fantasy/Adventure - Chapters: 4 - Words: 18,028 - Reviews: 22 - Favs: 148 - Follows: 216 - Updated: 8/2 - Published: 7/10 - Harry P., Shirō E., Saber, Illyasviel von Einzbern