Overview: Mal'Ganis and Kin'tessa assault players with a combination of decay and shadow magic.
When Mal'Ganis reaches 100 energy, he signals both dreadlords to dissolve into their swarm forms and inflict high damage to all players with
[Swarm of Decay] and
[Swarm of Shadows].
When Kin'tessa reaches 100 energy, she signals both dreadlords to vanish and infiltrate the raid, deceiving their minds with
[Infiltration of Dread].
Upon death, each of the dreadlords turns into a
[Rampaging Swarm] until the other is destroyed as well.