Following the event, Guy was placed in the cast of the "Red Lanterns" series where he was sent by Hal Jordan to join the Red Lanterns undercover. He defeats Atrocitus and takes command of the group. It is revealed that part of his decision to join with the Red Lanterns is feeling as if he has never fit in as a Green Lantern. As a Red Lantern Gardner manages to keep his rage in check, successfully leading most of the Red Lanterns; Atrocitus leads a splinter group and allows new Red rings to cause murderous justice-based rampages to continue. After joining with the Green Lanterns to defeat the cosmic terrorist Relic, Hal promises to give the Red Lanterns a sector for them to watch over, unwittingly this sector becomes Sector 2814, where Earth resides, giving guardianship of Earth to the Red Lantern Corps.