When Team RWBY and JNPR tried to have a sleepover a Box appear having knowledge of the Grim dark universe of 40k (My first time Writing a reaction and making a fanfic so I apologies for Grammer and the Cringe)

An Overlord-Warhammer 40k crossover. So if you have the time, I think this is a great read... (Shameful author!) Shut up. (Under Revision)