The Anduin encounter has proven to be quite the challenge partly due to his Befouled Barrier, but this ability has now been nerfed on Normal and Heroic. Anduin Wrynn Strategy Guide
Anduin Befouled BarrierThe Befouled Barrier has been nerfed by 23% on Normal, 20% on Heroic and massively increased on Mythic difficulty. This ability requires a ton of healing to be pumped into it to be removed.
Anduin summons a Befouled Barrier that inflicts 37475 Twilight damage to all players and creates a barrier that persists for 30 sec. 75% of healing received by players within the area is redirected to the barrier. Up to 12169522129665 healing received reduces the size of the barrier. Upon expiration, the barrier explodes and inflicts 74943 Twilight damage, tainting all players. This effect absorbs up to 1 healing received based on the size of the Befouled Barrier. Effect #4 Effect #1 Apply Aura: Mod Healing Absorb % Value: 1240953 Difficulty: Normal Effect #1 Apply Aura: Mod Healing Absorb % Value: 18501480 Difficulty: Heroic Effect #1 Apply Aura: Mod Healing Absorb % Value: 20003500 Difficulty: Mythic NEW Effect #1 Apply Aura: Mod Healing Absorb % Value: 1240 Difficulty: Looking For Raid Kill Video Example Read more on wowhead.com