A Tribute to Dedicated Insanity is the ultimate achievement for Trial of the Crusader in 10-player Heroic mode. It requires both not wiping on any bosses in the instance, but also limiting players to a maximum item level, explained below: You may NOT use the quest reward obtained from Head of Onyxia even though it can be obtained in Onyxia 10-player; the reward itself is item level 245.