XT-002 Deconstructor Strategy

Updated Wed, Jul 22, 2009 by B. de la Durantaye

XT-002 Deconstructor is a mechanical construct built and engineered by Mimiron to guard the Scrapyard area of Ulduar. He considers himself to be Mimirons’ son and behaves like a little boy (a little boy who loves calisthenics at least)


10 Player – 5 Million
25 Player – 22.5 Million


Gravity Bomb: A debuff that after 9 seconds pulls all players within a 12 yard radius of the player into the gravity hole and deals damage to them.

BORDER=Light Bomb:  A debuff that does 2750/3500 AOE damage.

BORDER=Tympanic Tantrum: A raid wide ability that deals damage equal to 10% of each player's maximum health every second for eight seconds. Nearby enemies will become dazed until it ends.

Enrage Timer: 10 Minutes.

Ten Ton Hammer Video: Click to play.


The Deconstructor is the first “gear check” of Ulduar, but it isn’t the last and it certainly is not the most difficult. The fight begins when you choose to engage the boss. He can be misdirected or the tank can simply run up and slap him.  This is a two phase fight that requires an off tank for adds that spawn from the junk piles around the room.  During phase one the fight is a pretty straight forward tank and spank.

All members of the raid will need to be aware of the debuffs of light bomb and gravity bomb if they are afflicted.  Set up a spot for each member with the debuffs to run to until they expire. A typical solution is to have those afflicted with one run to one scrap pile and the other to run to the opposite side, making sure to stay within healing range but just out of range to harm other players Every minute he will use his Tympanic Tantrum and cause 80% damage to the raid, so healers need to be on the ball. This will also slow the raid by 40%. The timer for the tantrum is reset by the exposing of the heart.  Maximizing your raid's DPS will also minimize the number of tantrums to be dealt with. Every 25% the Deconstructors heart is exposed. At this time he does no damage and all damage done to the heart is doubled to him when he retrieves it. The heart has 7 million/1.5 million HPs in heroic and regular modes respectively. While the heart is active adds will spawn, there are three types of adds that need to be dealt with.

XS-013 Scrapbot:  These heal Deconstructor for 60,000 each if they are allowed to reach him. – They should be killed by ranged AOE DPS, they are not immune to snares/slows/roots.

XE-321 Boombot:  These will explode for approximately 16,000 fire damage when their health reaches 50%. – These should be single target nuked right away and not allowed to ever get into range.

XM-024 Pummeler:  These are low on damage but high on HPs – Your off tank should gather these up and hold on to them, DPS should essentially ignore them.

While ranged DPS is focusing on the adds, melee should be pummeling the heart. Once ranged has cleared out the adds its back onto the heart.  Burn your cooldowns on the first heart and save Bloodlust/Heroism for the third heart. Once the heart is retrieved by Deconstructor it is back to phase one. This cycle will repeat every 25%. Most high DPS groups, who are not trying for hard mode, will be able to get the first 25% under one minute and the damage done to the heart will make each successive transition easier. You may even find yourselves going from 75% to 50% almost as soon as the heart is retrieved and the same phenomenon from 50% to 25% as well as the final transition. This method makes for a fast kill but can make it harder on your off tank and add control DPS.

XT-002 Deconstructor is a challenging and fun fight to learn that will quickly become one of the easier encounters for your party.

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