Fall of the Lich King (10man) Achievement Guide

Storming the Citadel (10 Player): Defeat the first four bosses of Icecrown Citadel in 10-player mode.

- Kill Lord Marrowgar
- Kill Lady Deathwhisper
- Claim victory in the Gunship Battle
- Kill The Deathbringer

The Plagueworks (10 Player): Defeat the bosses of The Plagueworks in Icecrown Citadel in 10-player mode.

- Kill Festergut
- Kill Rotface
- Kill Professor Putricide

The Crimson Hall (10 Player): Defeat the bosses of The Crimson Hall in Icecrown Citadel in 10-player mode.

- Defeat the Blood Prince Council
- Defeat Blood-Queen Lana'thel

The Frostwing Halls (10 Player): Defeat the bosses of The Frostwing Halls in Icecrown Citadel in 10-player mode.

- Rescue Valithiria Dreamwalker
- Kill Sindragosa

The Frozen Throne (10 Player): Defeat the Lich King in Icecrown Citadel in 10-player mode.

- Defeat The Lich King

Fall of the Lich King (10 Player): Defeat every boss in Icecrown Citadel in 10-player mode.

Boned (10 Player): Defeat Lord Marrowgar without and raid member remaining impaled for more then 8 seconds in 10-player mode.

Full House (10 Player): Defeat Lady Deathwhisper with at least five different types of Cultists active at the time of her demise in 10-player mode.

I'm on a Boat (10 Player): Claim victory in the Gunship Battle without any raid member visiting the enemy gunship more than once in 10-player mode.

I've Gone and Made a Mess (10 Player): Defeat the Deathbringer before Mark of the Fallen Champion is cast three times in 10-player mode.

Dances with Oozes (10 Player): Defeat Rotface without a Big Ooze casting Unstable Ooze Explosion in 10-player mode.

Flu Shot Shortage (10 Player): Defeat Festergut while none of the players in your raid group ever had 3 stacks of Inoculated in 10-player mode.

Nausea, Heartburn, Indigestion... (10 Player): Defeat Professor Putricide without using Regurgitated Ooze on the Abomination in 10-player mode.

The Orb Whisperer (10 Player): Defeat the Blood Council without anyone in the raid taking more than 23,000 spell damage in a single hit in 10-player mode.

Once Bitten, Twice Shy (10 Player): Defeat Blood-Queen Lana'thel once as a vampire and again without becoming a vampire in 10-player mode.

Portal Jockey (10 Player): Enter every portal spawned by Valithria Dreamwalker before healing her to full health in 10-player mode.

All You Can Eat (10 Player): Defeat Sindragosa in 10-player mode without any member of your raid receving more than 4 stacks of Mystic Buffet.

Been Waiting a Long Time for This (10 Player): Allow Necrotic Plague to stack to 30 before defeating the Lich King in 10-player mode.

Neck-Deep in Vile (10 Player): Kill every Vile Spirit that spawns before it explodes and then defeat the Lich King in 10-player mode.