WarMyotismon is Myotismon's most powerful Digivolution. He is a red version of Myotismon and is more war like.
- WarMyotismon appears briefly at the end credits of Thomas and Twilight Sparkle go Code Red Days of Future Past. He is seen atop a huge dragon.
- WarMyotismon officially appeared in Weekenders Adventures of Code Red Apocalypse as the Horseman of War, but is deleted by Bucky Barnes when he killed his partner Quicksilver.
- WarMyotismon wields a blood red sword and a crimson red shield.