The Moon Lord is a Hardmode, post-Lunatic Cultist boss. He is considered the final boss of the Desktop version Desktop, Console version Console, and Mobile version Mobile versions of Terraria. The Moon Lord can be spawned by destroying all four Celestial Pillars or by using a Celestial Sigil in any world where Golem has been defeated. In both cases, he will then spawn one minute after the message "Impending doom approaches..."then he will come.
