An berrant behemoth from beyond the stars, a eldritch, cosmic titan, catalyst for the fall of the auric dragons an Era ago, had been sealed on the moon by the dragon kind.
The mastermind behind all terrors which befall the world, freed from his lunar prison. Practically a god, his power knows no limits.
Said to be a terrible tyrant, Moon Lord seeks to conquer and destroy Terraria, despite once having the power to wipe out the planet's surface, Moon Lord is just a shadow of what he once was.