Excessive Unreal 2 is one of the most chaotic, stupid, hilarious, and insane mods ever made for Unreal Tournament, and it has incredibly well-balanced, action-packed gameplay. If you like Serious Sam, Doom, and Unreal - especially when blended together in the most absurd (yet somehow perfect) way - this mod is for you.
Warning: contains EXU2: Batshit Insane spoilers!
This is the Archdemon, a supremely badass monster you encounter in this here narsty hellcave.
Also, there will be a graphical boss bar visible for players when they fight it. When this video was recorded, that feature hadn't been added (or thought of) yet.
UTMCoop ideas have come to mind.... heh heh heh heh heh.
I find your character more interesting than the ArchDemon (I've seen one already).
Hmm.... EXUMCoop...