 As a result, he had the Butcher, Ophidian, Ion, Adara, Proselyte, and the Predator inhabit the six Guardians as hosts and placed Parallax back within the Green Central Power Battery to subjugate the Green Lantern Corps under his control.The Guardians are freed from Krona's emotional control by Hal Jordan, who kills Krona using his ultimate power.The rings from the other corps return to their former wielders.