Gravity Falls and Gravity Rush Crossovers
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Darkness Rush Falls by TheFallerGeek
It has been 3 years since Mabel and Dipper left Gravity Falls. When they come back, it was not how it turned out to be. It was full of darkness so a clever girl named Kat and her cat help them to fight against all evil especially against Raven and Bill Cipher. Rated T for some swearing and violence
Rated: T - English - Chapters: 1 - Words: 254 - Favs: 3 - Follows: 1 - Published: 5/6/2014 - Dipper P., Bill, Kat, Raven