The Slayer of Remnant ( Doom Enteral X Rwby Crossover)

Be warned this will be mature due from you will Harm human, Grimm, faunus, and even some demons and other things that is a glory kill. There is swearing too so be warned.

Remnant a world filled with Grimm. Salem knows her plan is coming up but she didn't know how much she is going be f**ked!!! Inside Beacon's secrets in Beacon lays a Vault filled with mysteries of a warrior who fought against a whole army. In Hell demons where then prepare but they didn't know that they are stuck in the surface with him. Will Remnant Survive this attack or this new warrior will kill everyone that will try to kill him.