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This is the first room in Blackwing Lair and the home of Razorgore the Untamed. Spread over the entire room are 30 eggs (thats why it is called the Egg Chamber), Razorgore and the Grethok the Controller with two guards. The eggs cannot be harmed by any force, only Razorgore himself is able to destroy them, so the basic task is to Mind Control Razorgore and destroy the eggs with his abilities. Because Blizzard felt, this might be too easy, the room begins to flood with three different types of monsters: orcish mages, orcish melee and drakonids. There can be as much as 40 mobs at the same time running around...

Note that the Egg Chamber is not a true subzone of Blackwing Lair, merely a term for the outermost unnamed area of the dungeon.