Historical Revision
Kel'Thuzad
Revision 1 · Aug 26, 2026, 2:50 PM · GRANDPAGAMER
'''Kel'Thuzad''' is a powerful lich, one of the most important servants of The Lich King, and the final boss of Naxxramas.
He has deep connections to the rise of the Scourge, the fall of Lordaeron and Arthas Menethil.
Overview
Kel'Thuzad is known for:
- necromancy
- the Scourge
- Naxxramas
- Arthas Menethil
- Cult of the Damned
- powerful frost and shadow magic
Early History
Kel'Thuzad was once a powerful Human Mage.
His interest in forbidden necromancy eventually led him away from conventional magical organizations.
Cult of the Damned
Kel'Thuzad became closely associated with:
an organization that helped spread the plague of undeath.
Plague of Undeath
The Cult of the Damned played a major role in distributing the plague that devastated Lordaeron.
This ultimately contributed to the fall of:
Arthas
Arthas initially hunted Kel'Thuzad while attempting to stop the plague.
Later, after becoming a Death Knight, Arthas served the same master as Kel'Thuzad.
Quel'Thalas
Arthas invaded:
and used the power of the:
to resurrect Kel'Thuzad as a lich.
Lich
After his resurrection, Kel'Thuzad became one of the most powerful liches in the Scourge.
Naxxramas
Kel'Thuzad commands:
a massive floating necropolis.
During Wrath of the Lich King, Naxxramas floats above Dragonblight.
Final Boss
Kel'Thuzad is the final encounter of Naxxramas.
Players must survive:
- powerful spellcasting
- adds
- crowd control effects
- frost attacks
- raid-wide pressure
Servant of the Lich King
Kel'Thuzad remains one of the Lich King's most loyal and powerful servants.
Kel'Thuzad on FrozenThrone
Kel'Thuzad is one of the first major raid-end bosses encountered during level 80 progression on FrozenThrone.