Phase one:
-Kill red pillar summoner first, then Purple pillar summoner, then Green pillar summoner.
-Tank the Doomlords. Melee on Doomlords > imps > summoners; ranged on Doomlords > infernals > imps > summoners
-Stay spread out 3 yards (until imps stop spawning).
-Take Mark of Doom to the green puddle and tank damage to remove it safely
Phase two:
-Tank boss in front of green pillar, facing towards middle of room. Raid loosely stacked behind boss.
-Tank swap immediately after knockback
-Move away from all three Fel Seeker damage circles.
-Meteor soak the fear targets' circles.
-Killing adds is the #1 priority.
Phase three:
-Same as phase two, minus the imps, plus Shadowforce.
-Make sure Shadowforce pushes you into the pillar.
Phase four:
-Only the current tank can stand in front of boss, off-tank must move to the side until taunt. Don't get hit by purple waves after knockback.
-Only one damage soaker per feared target
-Move to the side of the boss. Everyone gets Shadowforce pushback, don't get knocked off.
-Move to the other side of the boss after the shadowfoce.