Hey guys Flame here.
I have a Ben 10 book crossover challenge in mind.

It involves Ben Rook Gwen Kevin and Zed traveling to space after the end of Omniverse. Now they will meet up with a furry friend and a robot.

Did you guess who they are?

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It's this:

Aliens: All the ones Ben has plus a Lombax form and a form of Clank.
Parings: Any Female Ratchet and Clank character,any female ben 10 character that can travel in space. Except for Julie or the girl he marries in the future. You can also make an Oc for Ben.
Plot: there are two plots you can do. 1)Ben Rook Ratchet and Clank work together to stop an evil Plan made by Neferious Albedo and Dr. Psycobos.
2) You decide.
Gadgets: Any gadget from the Ben 10 world and the Ratchet and Clank world.
Vehicles: Same as the gadgets.
Version of Ratchet and Clank: After A crack in time. No movie version

Now I challenge humatrix-X-24 to do the book if he dares. (Then again he did do a Ben 10 Ice Age book so yeah).

Now if Humatrix or any of you wanna do this then go ahead. I'll make the cover