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Browse achievements from all expansions including The War Within, Midnight, Dragonflight, Shadowlands, and Classic. Find guides for Glory of the Raider, meta-achievements, PvP achievements, exploration, and more. Track your achievement points and completion progress via Battle.net.
But I'm On Your Side
Defeat the Assembly of Iron in Ulduar while under the effect of an Iron Boot Flask.
Defeat the Assembly of Iron in Ulduar while under the effect of an Iron Boot Flask to earn this 10-point achievement.
Collect 10 Relics of Ulduar
Kill trash mobs in Ulduar to gather 10 
Relics of Ulduar.
Purchase Iron Boot Flask
Trade your 10 Relics of Ulduar to Olut Alegut (Horde) or Rork Sharpchin (Alliance) to obtain the 
Iron Boot Flask.
Use Flask before fight
Drink the Iron Boot Flask to gain its effect before engaging the Assembly of Iron encounter.
Defeat Assembly of Iron
Enter the Assembly of Iron chamber in Ulduar and defeat all bosses while the Flask effect remains active to complete the achievement.