|Unbroken (25 player)||10|
|Defeat Flame Leviathan on the first try without anyone repairing their vehicle in 25-player mode.|
The is the first boss of Ulduar.
After moving through the gauntlet area filled with Iron Dwarves leading up to the Formation Grounds, players just outside the Formation Grounds will find stationary vehicle repair disks (which look like large versions of the teleporters within the instance). Driving over these disks will restore your vehicle to maximum health.