General and Trash MOB Info
Gruul's Lair is a 25 man raid instance located in the Blade's Edge Mountains. Gruul the Dragonkiller makes his home there and the raid is very similar in style to the Onyxia raid from pre-Burning Crusade. There are very few trash MOBs and the raid is essentially Boss fights.
There are very few trash MOBs in the raid instance. There are three MOBs before the High King Maulgar (a group of 2 and a single) and four pulls of groups before Gruul.
The MOBs are on 1 hour spawn timers. The ones leading to the High Kill will stop spawning once he has been killed. Once Gruul is down no more MOBs will spawn until the instance resets.
You can check out all the general info about the instance and the trash MOBs in this first part of our: Gruul's Lair Guide.
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