Swampfire, Spidermonkey, Big Chill, Echo Echo, Humungousaur, Brainstorm, Chromastone, Goop, Jetray,Rath and Lodestar
Ben Tennyson's Omnitrix got the crazy glitch. It splits him into 11 clones, and each of them is a different alien. all of them has ben's personality, experience, and skills, but cannot change back to human form.
ben clones have to fight the Grimm at protecting grandpa max
Aliens with feats from cartoons/gaming and still in character but willing to save fight Grimm.
Grimm with feats from RWBY's volumes
In character for grimm
Each time they win a round, aliens are fully recovered by eating a senzu bean.
The battlefield is the junkyard and starts 30 meters apart.
*Round 1: 100 Beowolfs
*Round 2: 60 Ursas
*Round 3: 25 Alpha Beowolfs
*Round 4: 29 Ursa Majors
*Round 5: 25 Deathstalkers
*Round 6: 35 Beringels
*Round 7: 20 Nuckelavees
*Round 8: 10 Nevermores
*Round 9: 10 Taijitu Kings
*Round 10: 2 Sea Feilongs
*Round 11: 1 Grimm Dragon
Round 12: 1 Leviathan
Round 13.Cinderfall(Full Maiden and Grimm's arm) with 5 Sphinx,1 Apathy and 300 Manticores