Icecrown Citadel

'''Icecrown Citadel''' is the massive fortress of The Lich King located in Icecrown, Northrend.

It is the primary final raid of Wrath of the Lich King and culminates in the battle against Arthas Menethil at the Frozen Throne.

Icecrown Citadel is commonly abbreviated as:

'''ICC'''

Overview

Icecrown Citadel represents the final major campaign against the Scourge.

Players enter the fortress and fight their way upward through the Lich King's strongest forces.

The raid contains:

undead armies
Scourge commanders
plague experiments
blood princes
frost wyrms
major lore characters
the Lich King

Location

Icecrown Citadel stands in the zone of Icecrown.

The structure dominates the frozen landscape and acts as the center of Scourge power.

At its summit lies the Frozen Throne.

Raid Sizes

Wrath of the Lich King supports Icecrown Citadel in multiple raid formats.

These include:

10-player
25-player

The raid also supports Normal and Heroic difficulty progression.

Raid Progression

Icecrown Citadel contains several major sections.

A typical progression includes:

Lower Spire
Plagueworks
Crimson Hall
Frostwing Halls
Frozen Throne

Lord Marrowgar

Lord Marrowgar is the first major boss of Icecrown Citadel.

He serves as an introduction to the raid and uses abilities involving:

bone attacks
spikes
whirlwind-style movement

Lady Deathwhisper

Lady Deathwhisper commands cultists and uses powerful shadow magic.

The encounter includes:

adds
mana-based defenses
spellcasting

Gunship Battle

The Gunship Battle is one of Icecrown Citadel's most unusual encounters.

Alliance and Horde forces fight from airborne gunships during the assault on the Citadel.

Deathbringer Saurfang

Deathbringer Saurfang is a major encounter connected to the tragic story of Dranosh Saurfang.

The fight emphasizes:

add control
resource management
damage control

The Plagueworks

The Plagueworks contains experiments created by Professor Putricide.

Major bosses include:

Festergut

Festergut is a massive plague-created abomination.

The encounter emphasizes:

damage pressure
positioning
survival

Rotface

Rotface uses slime and ooze mechanics.

Players must manage:

movement
ooze control
positioning

Professor Putricide

Professor Putricide is the mastermind behind many plague experiments inside Icecrown Citadel.

The encounter involves:

chemical experiments
adds
movement
multiple phases

Crimson Hall

The Crimson Hall is associated with the San'layn.

Major encounters include:

Blood Prince Council

The Blood Prince Council consists of multiple San'layn princes.

The encounter requires managing several targets and abilities.

Blood-Queen Lana'thel

Blood-Queen Lana'thel is one of the most powerful San'layn inside the Citadel.

Her encounter includes vampire-themed mechanics.

Frostwing Halls

Frostwing Halls contains:

Valithria Dreamwalker

Valithria Dreamwalker is an unusual encounter where players must restore the health of a captured green dragon.

Healing becomes the primary objective.

Sindragosa

Sindragosa is a powerful frost wyrm serving the Lich King.

Her battle is one of the final challenges before the Frozen Throne.

The Frozen Throne

After defeating the major forces of the Citadel, players reach:

Frozen Throne

This is the location of the final confrontation with the Lich King.

The Lich King Encounter

The Lich King is the final boss of Icecrown Citadel.

The encounter contains multiple phases and tests:

tanking
healing
positioning
movement
add control
damage output
raid coordination

It is one of the defining encounters of the expansion.

Frostmourne

Frostmourne plays an important role during the final encounter.

The weapon contains souls captured by the Lich King.

Its eventual destruction becomes a major turning point.

Heroic Mode

Heroic Icecrown Citadel increases encounter difficulty.

Players face:

stronger bosses
more dangerous mechanics
tighter performance requirements

Heroic progression is one of the major endgame challenges of Wrath of the Lich King.