
Lady Deathwhisper
Lady Deathwhisper is the second encounter in ICC, the key to this fight is managing adds and spliting your raid between adds and the boss. She starts off with a mana shield that needs to dpsed down, untill that happens, she will spawn adds that needs to be tanked. Once the shield is destroyed, she is tankable. I’d advise you use 2 tanks on 10 man, and 3 tanks in 25.
The Fight:
Before the fight starts, you should divide your raid between adds and Lady Deathwhisper. Lady Deathwhisper has a mana shield around her that must be burned down, till that happens, she will continue to spawn adds. The right side spawns 2 adherents and 1 fanatic, the left side spawns 2 fanatics and 1 adherent. The backside, if you’re in 25 in normal or heroic (or 10 man in heroic), will spawn one add, it could be either a fanatic or an adherent.
Adherents are the caster add. They have a shadowbolt attack, and a spell reflect they put on themself that must be broken through melee attacks. They also have a curse that increases cooldowns by 15 seconds, so this must be decursed as soon as possible.
Fanatics are the melee adds, they have a cleave, can heal for damage they inflict, and also have an attack that applies a debuff that absorbs healing. So, make sure healers are on top of your heals to pop that debuff off, and make sure you face the adds away from your raid.
Usually, we put our melee on the right side since there are 2 adherents and they have a spell reflect that they apply to themself. On the left side, we put casters and have them nuke the adherent first so that they cant apply the spell reflect. The back add should either be picked up by a tank, or killed by a predetermined team, we usually use our hunters.
Lady Deathwhsiper will occasionally cast Dark Martyrdom or Dark Empowerment on adds. Dark Martyrdom will explode the add, they will then become reanimated. Reanimated adherents will require physical classes to attack them, whereas reanimated fanatics will need magic casters on them. Dark Empowered adds will increase in damage, and also lose threat once they are empowered and will be needed to be re-established.
Lady Deathwhisper herself will also cast death and decay on random people and you would have to move out of that AoE, along with random shadowbolts. In 25 (and 10 man heroic) she will mind control 1 person, (3 in 25-heroic) so make sure you CC them and are cautious with your AoE damage, if they are MCed in a group while you’re downing adds, you run the risk of killing them.
After the mana shield is broken, she can be tanked. If you have rogues and hunters, you should have them use their aggro transfering skills on your tank to establish aggro. In this phase she gains 3 new abilities, she has a frostbolt that can be interrupted (and should be, it hurts), she summons ghosts that will target someone and explode when they get into melee range of their target (doing AoE damage when they explode), and she applies a debuff called Touch of Insignificance which stacks up to 5 and reduces the target’s threat 20% per stack. In normal mode, she can be taunted, however, in heroic mode, she cannot.
Heroic - In 10 man heroic, one person will be MCed throughout the fight, she cannot be taunted in the tanked phase, and she still summons one add in the back. In 25, along with not being tauntable, she MCs 3 characters, and summons 3 adds from sides that alternate after each wave.
Abilities:
Phase 1:
Mana Barrier – This is her mana shield that you must destroy to get into her phase 2.
Shadow Bolt - Lady Deathwhisper targets a random person and shoots at them.
Death and Decay – Lady Deathwhisper drops a green Death and Decay on the ground, dealing damage every second you’re in it’s radius. Lasts 10 seconds.
Dark Empowerment - Empowers a random adherent, causing them to deal area damage with spells. Also makes the target immune to interrupts.
Phase 2:
Frostbolt – Lady Deathwhisper attacks her primary target for a large amount of damage. Can be, and should, be interrupted.
Death and Decay - Lady Deathwhisper drops a green Death and Decay on the ground, dealing damage every second you’re in it’s radius. Lasts 10 seconds.
Touch of Insignificance – Reduces target’s threat generation by 20% per stack. Stacks up to 5.
Summon Vengeful Shade – Summons ghosts that will explode, dealing AoE damage when they reach their target.
Feral Tips:
Bear
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If you’re tanking, try to become the OT, this will open you up to do more damage. Usually I take the backside add in 25 and the OT for Lady once her bubble pops. While you’re not tanking, in Phase 1, you should join the melee side on the right, and in Phase 2, when you’re waiting for your debuff to fall off, you should turn into a cat and dps lady deathwhisper.
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If you DO take the back add, if you get a fanatic, take him to the left side and make sure you’re careful of cleaving the other tank and raid while you’re dragging him through. If you get the adherent, take him to the right, try to target another adherent on that side and feral charge them to stop a cast. After you charge them, duck behind one of the pillars and line of sight them till they are in the group and charge back in there.