I Dreamt of a Tower Dark

(A RWBY and THE DARK TOWER crossover)

Trapped on the world of Remnant via unknown means, Graham is taken in by the Gunslinger known as Eddie Dean and his wife Susannah Dean. Graham soon find himself working with Arthur Watts and Pietro Polendina in order to create a new weapons system that can defend both Mantle and Atlas.

However, there are those that would have this project fail, and they are determined to shepherd all who work on it to its destructive end...

(The Dark Tower is owned by Stephen King. RWBY is owned by Rooster Teeth.)