44 The Multiversal Plumbers » by Eternal4Ever (Inspired by The Crimson Yinglet stories) After a conflict that caused the Power Stars to be transported to other universes, it is up to Mario, Luigi and his friends to find them. New friends and foes will come, but they all will learn a very important lesson: These plumbers are NOT like the others! Arc 1: One Piece

835 Ben 10 & She-Ra Heroes of Power » by Hero Central An investigation into space time anomalies lands Ben Tennyson and his partner Rook Blonko on the mysterious and magical planet of Etheria, they cross paths with Adora and her friends and choose to do what they can to free Etheria from the tyrannical grip of the Horde. Its Hero time,For the Honour of Greyskull!

648 Ben 10 x RWBY: Of Gemstones and Watches » by Transwiththeplans Ben Tennyson meets Ruby Rose during his summer break, and picks up both the Omnitrix and a thrill for action. Along the way, Ben discovers new alien forms, develops new techniques to use in battle, and a blossoming romance, while also forging close bonds with his new friends. But can he and his friends handle being thrust into a conflict between good and evil? (Cover by elmike)

166 My Yakuza Hero (DISCONTINUED, REWORK) by Ravings1 When mysteriously transported to a new world, a former yakuza will have to work alongside both pro heroes and heroes in training to get the answers he is looking for.

29 Chain of Generations: Re:MiX » by FanFicHazza Chain of Generations: Re:MiX is a rewrite of Kingdom Hearts: BBE - Chain of Generations, inspired by the release of Shadow Generations. Sonic's birthday is disrupted by a mysterious hedgehog, scattering his friends across distorted echoes of time. Shadow confronts his own dark past, while Aqua's fading Keyblade connection drives her to save Ventus and restore the Land of Departure.

80 Mario and Luigi's Multiversal Adventure Pirate Saga » by The Crimson Yinglet Mario and Luigi are on a multiversal adventure to find the missing power stars. Will their actions have dramatic changes to these worlds and will it have unforeseen consequences. Only time will tell.

240 Ultimate Alien: Primarch Force » by Pravus666 What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.

3k+ RWBY: Aqua's Mission » by TPoynt Aqua didn't know what would happen when she fell into the Realm of Darkness. The last thing she expected was having to raise two little girls. With one of them being a Keyblade Wielder, she has her work cut out for her. (Now has a Tv Tropes page!)

23 Poké Wars: Ring across Time and Space » by twilightnite13 While Ash is on his journey through the Kalos Region, he and his friends made a small detour from Route 15 deep into a desert where they will meet a peculiar, but interesting, Pokémon with the power to use its rings to summon things. However, the situation surrounding the Pokémon, Hoopa is more than meets the Eye to Ash, one that he might call for help. (Part of Poké Wars series)

135 Heroes United: Unlimited » by UltraPhantom Just when Ben thought he was leaving Rex's world for good, something goes wrong. Instead, the portal malfunctions, causing it to pull Ben, Rex, and Alpha to an entirely new world. Heroes United must team up once more & work together to find Alpha before he does anything dangerous. In the meantime, our heroes will join the Justice League. And along the way, they might just love.