Worldofwar.net has managed to get inside the Ulduar raid on the Public Test Realms for World of Warcraft's Patch 3.1 to grab a video of a new boss.
Along with footage of possibly the biggest boss in WoW so far, there is a run-down of Kologarn's abilities. Here's an idea of how big the boss is: his right and left arms are counted as separate entities.
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