Link to the mirror.
Note that chronologically this takes place somewhere just prior to the fight with the Black King in Hivebent. All twelve trolls are alive and well, none of them are on psychotic rampages, Eridan wields Ahab's Crosshairs, Aradia is not God Tier, and the kids haven't been met yet.
You are (temporarily) Karkat Vantas and for some reason that is completely unapparent to you, you have been teleported into some kind of strange BRAWLOSSEUM. You've heard of these places. They are the mythical battlegrounds upon which Threshecutioners and Subjuggulators and Slam Poets and the like all got together, had some laughs, and beat the ever-loving shit out of each other.
Of course, those are total myths. BRAWLOSSEUMS do not and never have existed...
Present BRAWLOSSEUM excluded.