The Lich King is the master and lord of the Scourge, which he rules telepathically from the Frozen Throne atop the Icecrown Glacier. Kil'jaeden created the Lich King ages ago from the spirit of the orc shaman Ner'zhul to raise an undead army to conquer Azeroth for the Burning Legion.

Is the Lich King good or bad?

The Lich King is a powerful entity of evil in the Warcraft universe who is the leader of the undead army known as the Scourge.

What is Lich Kings purpose?

The Lich King -- the entity, not Ner'zhul, was a creation of Kil'jaeden. This entity was specifically designed to use death as a tool to conquer worlds, and given the ability to raise the dead and rule over it telepathically, holding the Scourge under its thrall.