I've ran with Raid Leaders of a variety of different flavours. It's most common to see the Main Tank as the Raid Leader b/c it's the natural progression from marking targets in 5 mans. It's also very common b/c a tank is forced to understand trash pulls a lot better than basically any other class or at the very least is forced to understand them in a way that affects the whole group whereas other classes that's not necessarily the case. More to the point, a tank can gain an innate gut instinct for...

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