A Dark Force Returning. A King turned Pawn. And warriors of two worlds uniting. When one of the greatest evils returns with aid from another world, and Spyro and Cynder are powerless to stop them, they must turn to the Kamen Riders for aid. But will it be enough? Rated T to be safe, I own nothing. Enjoy the show!

Heroes from two different worlds and galaxies come together with a common threat who wants to take over their worlds. Can they work together to save both worlds or fail to stop them?

tamashii souto was an ordinary kamen rider fan until he meets his idol tsukasa kayoda aka kamen rider decade. Now tasked with helping new worlds as the new decade he must stop the destruction of various dimensions while sealing up the barriers of the worlds and create new pathways to visit them if needed. Now let's journey through the decade!

geo hikari was an ordanary teen untill a strange occurrence revives kamen rider arc in his world and with the help of wateru must journy to a new world to figure out what happened to revive the ledgendora and reverse the effects. now time to break the chains of fate with the power of magic.

The is my first cross over with my brother