Azjol-Nerub is an ancient underground kingdom in the world of World of Warcraft. It is inhabited by the Nerubians, a race of spider-like creatures known for their advanced civilization and mastery of magic. The kingdom is characterized by its intricate tunnels and caverns, showcasing the architectural prowess of the Nerubians. The lore of Azjol-Nerub is deeply intertwined with the Lich King and the Scourge. After the Lich King's rise to power, many Nerubians were transformed into undead minions, leading to a tragic downfall of their once-great empire. Today, Azjol-Nerub serves as a haunting reminder of the consequences of unchecked power and ambition.