Hydross the Unstable

Phase flow — tank rotation

Phase mechanics

Frost Phase — Water Tomb

8-yard spreadable freeze that deals damage over time. Think Kel'Thuzad positioning for melee — spread minimum 8 yards so a single tomb doesn't catch multiple players.

Nature Phase — Vile Sludge

Not spreadable, picks 1 player. 500 nature damage over 25 seconds, plus −50% damage dealt and healing received.

Both phases — Mark of Hydross / Mark of Corruption

Stacking resist debuff that increases damage taken from the active school. Swap phases at 100% stacks.

Phase transition

The 2 flags make an invisible line — crossing it transitions the boss to its other phase. 4 adds spawn on transition — nuke them down. Can be stunned and CC'd.

Threat swap on transition

Call STOP on DOTs and damage before transition to let the next tank take aggro — boss is not tauntable.

Healer tips

The Lurker Below

Phase 1 — Boss

Geyser

Random raid member — 10-yard knockback.

Whirl

Damage + knockback to everyone in melee range. Stay clear or jump into the water.

Spout

Main P1 mechanic. 390° frontal — players go into the water to dodge it. Get out fast, the water ticks for 1k/sec.

Phase 2 — Add intermission

• 3 groups of 2 adds spawn.
• Coilfang Guardians — tanked by tanks. Can and should be stunned. 3 will spawn total; ~2–3k per swing.
• Coilfang Ambushers — CC'd, then killed after the Guardians. 2 spawn on each of the 3 little islands. Don't need to be tanked, but heal anyone they're hitting.
• After 1 minute or after all adds are dead, the boss respawns and P1 repeats.

Healer tips — both phases

Morogrim Tidewalker

Phase 1 — 100% → 25%

Tidal Wave

Tank mechanic — frost damage and attack-speed reduction.

Watery Grave

4 random targets get placed in a bubble. Damage when it expires (fall damage). Marked with X on raid frames.

Earthquake

4k AoE to everyone, and murlocs spawn from the left and right entrances.

Phase 2 — 25% → 0% (Globules)

Globules

No more Watery Grave. Bubbles pick targets and explode if they touch them. Kite Morogrim away as bubbles get close. Bubbles only explode on their target, not random players.

Murloc-tank notes

• Paladins generate threat by healing a life-tapping warlock.
• Paladins should rotate cooldowns (trinket / wings) for each pack.
• Add tanks only need to be 5.2% crit-immune — the mobs are level 71. Gear for high threat.

Healer tips — Graves

Leotheras the Blind

Human phase

Whirlwind

Think Sartura — except no taunt, and it applies a Rend debuff to anyone hit. Lasts 11 seconds.

Threat wipe

Threat resets after Whirlwind.

Healing

Human Leo doesn't hit hard — 1–2 healers on the tank is enough. Other healers focus the Whirlwind targets (Rend tickers).

Demon phase

Chaos Blast

Fireball that applies a stacking debuff increasing fire damage taken per stack.

Insidious Whisper

Demons spawn on random players. Only the targeted player can attack their demon. Kill it before 30s or you get MC'd and need to be killed yourself.

15% — Both Sides Active

Healer tips

Fathom-Lord Karathress & the Fathom-Guards

The Lords

Fathom-Lord KarathressBEEFIEST TANKTANK— Unassigned —Aldread [Paladin]Achtungg [Warrior]AchtunggMD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]—

• Cataclysmic Bolt — hits a mana user for 50% of their HP.
• Sear Nova — fire damage to everyone in melee range.

Fathom-Guard Tidalvess (Shaman)KILL FIRSTTANK— Unassigned —Aldread [Paladin]Achtungg [Warrior]BearlfMD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]Charcharr

• Earthbind, Poison Cleansing, and Spitfire Totem.
• Kill all totems ASAP, especially Spitfire — it deals more than half a player's HP in damage.

Fathom-Guard Sharkkis (Hunter)TANK— Unassigned —Aldread [Paladin]Achtungg [Warrior]AchtunggMD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]—

• Multi-toss
• Leeching Throw — drains HP + mana on random target for 12s.
• Summon Lurker / Sporebat — elemental or sporebat pet; can be CC'd but should be killed.
• The Beast Within — +30% damage buff.

Fathom-Guard Caribdis (Priestess)"CARDI B"TANK— Unassigned —Aldread [Paladin]Achtungg [Warrior]—MD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]Capoluco

• Cyclone
• Water Bolt Volley
• Healing Wave
• Tidal Surge

Kill order

How to

• Beefiest tank on Karathress and Sharkkis.
• One tank on Tidalvess and pet — kill this first.
• One tank on Caribdis.
• On pull, use Misdirects on each tank. Pull Caribdis far away (resto druid + tank only) to out-range her heal on the rest of the Lords.
• Kill Tidalvess first. Always kill the totems fast. After he falls, Karathress now has Spitfire Totem — keep killing totems.
• Kill Sharkkis — Karathress now has the damage buff.
• Kill Caribdis with ranged only (avoid the Cyclones), interrupt heals.
• Kill Karathress.

Lady Vashj

Phase 1 — Boss (100% → 75%)

Multi-shot

8 targets hit for 2.4k. Unavoidable.

Shock Blast

8–9k instant damage to the tank + 5-second stun. Must be grounded by the tank-group Shaman.

Entangle

Physical root on melee players. Cannot be dispelled. Works: Blessing of Freedom, PvP trinket, Cloak of Shadows, Shapeshift, Blessing of Protection. Priority: tank out of roots first — assign a paladin (ideally OT pally) to Freedom them.

Static Charge

Random target debuff — 2k damage every 2 seconds for 12 seconds to them and anyone around them. Move out of raid.

Vashj still melees hard post-nerf — 3 healers on the boss tank, 2 raid healers for Multi-shot + Static Charge.

Phase 2 — Add / Pillar phase (75% → 50%)

Enchanted Elementals

• Spawn at the bottom and walk to Vashj to buff her with a stacking 5% damage buff. Ranged kill on the way up.

Tainted ElementalsCORE DROPKOBE— Unassigned —Aldread [Paladin]Achtungg [Warrior]Bearlf

• Spawn at the bottom, stationary, spam Poison Bolt. Despawn after 15s.
• Loot the Tainted Core when killed — this is how you deactivate pillars.
• While the core is in your bags, you cannot move or cast. Play hot-potato to bring it to a pillar — minimum 2 players.

Coilfang ElitesTANK— Unassigned —Aldread [Paladin]Achtungg [Warrior]PnishedMD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]—

• Cleave and Hamstring. Tank picks up, melee focuses down. Kept in the inner circle.

Coilfang StridersAOE FEARKITE— Unassigned —Achtungg [Warrior]Aldread [Paladin]Celki [Druid]Charcharr [Hunter]Congelatore [Mage]Destrana [Warlock]Envix [Warlock]Greybusch [Shaman]Griztor [Hunter]Hideonbushes [Priest]Kellesia [Mage]Konzs [Paladin]Longshank [Rogue]Louislipps [Hunter]Razzen [Priest]Redvalor [Rogue]Shellbane [Paladin]Silentjedi [Warrior]Slurrie [Warrior]Tekpal [Paladin]Toyrich [Warrior]Unsu [Shaman]Virod [Shaman]Xynk [Shaman]ShellshamanMD— Unassigned —Charcharr [Hunter]Griztor [Hunter]Louislipps [Hunter]—

• Pulse AoE fear every 2 seconds. Shaman picks up, kites with Frost Shock in the outer circle. Ranged focus down when near.

How to — Phase 2

• Assign your 4 smartest ranged DPS (preferably hunters) to room quadrants for the Tainted Elementals. When one spawns, ping and call out.
• Easiest core handling: OT picks up the core after the Tainted dies, throws to ranged, who either waits for OT to reach the pillar (throw back) or throws to a player near a pillar.
• Pre-assign spots — people should not be moving all over. Ranged focuses Enchanted Elementals in their area; when a Strider enters their quadrant, DPS the Strider down.
• Melee stays in the inner circle to avoid Strider pathing.
• Before deactivating the final pillar, make sure no new adds are about to spawn (BigWigs timers are accurate). When P3 starts, finish off the adds first before swapping back to Vashj.
• Forked Lightning still casts during P2 — the closer you are to Vashj, the more players get hit. Watch Strider pathing visually rather than just relying on the positioning diagram.

Phase 3 — Sporebats (50% → 0%)

Tainted Core macro

/use Tainted Core
/y <------- TAINTED CORE TO: %t !!!
/s <------- TAINTED CORE TO: %t !!!
/script SendChatMessage("!!! YOU HAVE THE CORE !!!", "WHISPER", "Common", UnitName("target"));