I know it's possible to rack up that damage, but I don't think the achievement can happen. I am not 100% sure what they intended it to be, but we got into a game on one of my ally locks the other night and it was bugged. Unless you died, you had the "preparation" buff the entire game. I have 2300hp on this lock and didn't die. Those with lower hp totals were able to be focus fired down and some did die. Anyhow, the game was against some others that our GM knew, so he asked if they wanted to go for this achievement since the instance was bugged anyway. They agree and we went to work. </p>
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You might be thinking that since the instance was bugged, achievements might not have worked, but that's not the case. Several people got the Wrecking Ball Achievement in this game.</p>
PS. This is not something I do often. I am not one to farm kills, GY, or any other things like that. The only reason we did this is that the instance was bugged and we spoke with the guild that represented most of the horde side. (They AFK'ed out as Kurabak hit 300k)</p>
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</p> You might be thinking that since the instance was bugged, achievements might not have worked, but that's not the case. Several people got the Wrecking Ball Achievement in this game.</p>
PS. This is not something I do often. I am not one to farm kills, GY, or any other things like that. The only reason we did this is that the instance was bugged and we spoke with the guild that represented most of the horde side. (They AFK'ed out as Kurabak hit 300k)</p>
Click here to view the article