The Steamvault Hydromancer Thespia Mekgineer Steamrigger Warlord Kalithresh Mekgineer Steamrigger is the second boss of The Steamvault in Coilfang Reservoir. You will need to slay him in order to proceed to Warlord Kalithresh, the final boss of the instance. Abilities (Spell #31485): Reduces damage done by 35% with chance to backfire. (Spell #31486): Mekgineer Steamrigger will randomly toss out a sawblade hitting for around 1500-2500 to everyone within range. (Spell #35107): Immobilizes target for 10 sec. 600-700 damage. Enrage: Enrages after 5 minutes (heroic mode only). Steamrigger hits for 800-1300 melee damage at 55% reduction (13,000 Armor). Cloth wearers take 1500-2000 damage from his hits. Every 25% health at 75%, 50% and 25% health he shouts "Tune 'em up good boys!", three to five Steamrigger Mechanics appear. These are non-elite, and can be killed quickly and should be first priority as they start healing Mekgineer Steamrigger. A gnome warrior tank can be helpful here, if you want to grab the aggro back after you had a net on you. Any damage whatsoever to the mechanics forces them to attack you and not heal the boss. So if your tank has an attack that can hit multiple mobs at once, you can disrupt them and bring them to your tank, giving your damage dealers time to pick them off one by one without them healing the boss. Only one of Mekgineer Steamrigger's attacks causes magical damage (the electrical net), and the amount is negligible compared to the rest of his damage, so a mage may want to put (Spell #33946) on the party before the fight.