Naxxramas is a floating necropolis in the world of Warcraft, primarily known as a raid dungeon in the game World of Warcraft. It serves as the stronghold of the Scourge, a faction of undead creatures led by the powerful lich, Kel'Thuzad. Players venture into Naxxramas to defeat various bosses and complete challenging encounters. Originally introduced in the game's third expansion, Wrath of the Lich King, Naxxramas was first featured in the earlier game, Warcraft III: The Frozen Throne. The dungeon is divided into several wings, each themed around different types of undead enemies, providing a rich and immersive experience for players seeking to conquer its challenges.