 Following the rebirth of the Guardians of the Universe and the Hal Jordan's victory over Hank Henshaw, it was revealed by Ganthet that the Guardians were rebuilding Oa in secret with the plans to restore it to what it once was, which is now referred to as "New Oa".It is revealed in "" that Sodam Yat is the last Guardian of the Universe in the 31st century, while Rond Vidar is the last remaining Green Lantern until he is killed by Superboy-Prime's Legion of Super-Villains.Oa lies mostly in ruins, the power battery cracked, and the rings of the Corps lie in a pile, unable to locate new bearers due to the apparent death of Mogo.