Start the event by speaking with Arelas Brightstar or Jaeren Sunsworn in the center of the coliseum once the party is mounted atop their Argent Warhorses. Every loot item which drops in both Normal and Heroic modes of this dungeon is of epic quality. The loot for Normal mode equals or surpasses 10-man Naxxramas drops in some slots. The loot for Heroic mode equals or surpasses 10-man Ulduar drops in some slots. Its difficulty should not be underestimated: Trial of the Champion is by no means a "get epics quick" scheme for under-geared players.