The forces unleashed in a battle between Doctor Strange and Urthona eventually freed Kaluu from his imprisonment. When he returned from exile he became a businessman and amassed a large fortune. He formed an alliance with the embattled Doctor Strange, and tutored him in the practice of black magic. Alongside Strange, he battled Shuma-Gorath and various other ancient evils. He also witnessed Doctor Strange's defeat of Shuma-Gorath. Kaluu, Strange, Rintrah, and Enitharmon the Weaver, returned to the Earth dimension where he cast a spell to remove the physical and astral pollution from Strange caused by using black magic.