Optimus Prime and the Green Lantern Corps

Just as the Cybertronian Galaxy entered a state of war, with a grim atmosphere engulfing the entire race, envoys from Oa finally arrived in the Cybertronian Galaxy. "Do you think the Guardians will take away my ring as punishment afterward?" The honest-looking Kilowog was worried. He reluctantly stroked his ring. Tomare glanced at him and said blandly, "If you don't want to do this, you can go back. I intended to come find Optimus Prime alone from the beginning. I never asked you to come.