Tragedy strikes Danny Phantom when a vampire attack leaves his parents dead. But his troubles have only just begun when he discovers a clue to an ancient weapon, and a centuries old conspiracy to destroy that weapon. Now, Danny, Sam, Tucker, Jazz, and Valerie must join together with Hellsing to find this weapon, and stop the conspiracy, or die trying.
Crossover - Hellsing & Danny Phantom - Rated: M - English - Adventure/Horror - Chapters: 15 - Words: 22,591 - Reviews: 9 - Favs: 20 - Follows: 8 - Updated: 6/10/2015 - Published: 5/12/2015 - Integra, Seras, Danny F., Sam M. - Complete