I had concerns when Blizzard first announced the way bosses would be unlocked in Patch 3.2's new raid instance, the Argent Coliseum. Blizzard has announced that while the first boss is available immediately, other bosses will be unlocked week-by-week. It's not the first time an artificial barrier has been put up for raid progression -- hello Sunwell -- so I guess I'm not shocked by it, but progression wasn't really what I was concerned about.

In our current raiding system, each boss drops a pre-determined set of loot. Some bosses drop a token which can be turned in for a piece of armor matching that particular slot, and the boss will always drop this same slot token. Thorim will always drop a shoulder token in Ulduar 10, for example.

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