Originally Posted by
Nikkaszal
Everyone needs to be topped up and stacking in tight BEFORE he hits P2 - when his armor shatters is not the time to start thinking about grouping up and throwing down your AoE heals. P2 is shockingly quick, and healers should forgo all manner of conservation and chain-spam their AoE heals right as he's about to change. If everyone's at full HP and the healers are powering their AoE by the time he shatters, it's pretty much a guaranteed win.
Also, have your DPS pop their own defensive cooldowns for the Stomps. Shamanistic Rage, IBlock, Dispersion, Deterrence, IBF - all these help immensely.