So we've been stuck on Garrosh for about 2 weeks, haven't had too many attempts in (maybe 20 or 30?), but the problem is that we've hit a brick wall and keep dying at the same place. We do things really well up until the Empowered Whirling Corruptions come out, and shit hits the fan. People die to the whirls itself, the adds are sometimes killed on top of each other, and they take too long to die. Obviously the solution is to do it better, but we just can't get it. Way too many people were dying to the whirl itself, so we had everyone stack and had healers use AoE heals and CDs, but then the adds would come up all clumped up and it'd be impossible to separate them and kill them fast enough.
So what's the best way to do it? Should the group stack at a certain location for it? Do we AoE heal for a bit then spread out for adds? Do we just spread out right away and hope the healers can heal all of us?