Black Demon King
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Prism Mayhem by Blue Hurricane reviews
Crossover between FSN and Prisma Illya. Magical Girl Illya finds herself in the fifth Holy Grail War and facing her counterpart, the Master of Berserker.
Fate/stay night - Rated: T - English - Fantasy - Chapters: 30 - Words: 118,085 - Reviews: 915 - Favs: 1,541 - Follows: 1,835 - Updated: 1/4 - Published: 6/13/2015 - ShirÅ E., Rin T., Illyasviel von Einzbern