The Heroic fight is different for one main reason; the Crystal Shards he summons periodically throughout the fight. Not only must targets of the Crystal Barrage move away from this damaging shower, but what emerges from them is even more deadly. The shards will hatch from them in a few seconds, and then move toward a random player.
They are floating Grenades! They will kill anyone they touch, and explode if destroyed by anyone other than their target, killing them as well.
For this level of the game, AoE Ranged dps is of utmost importance. The strategy is rather simple;
