Beware their power - Steve Englehart

While imprisoned inside the Sciencells in Oa, Sinestro tells 1,001 stories to the MadGod of Sector 3600, T:D:H:D, to prove to it that the Guardians of the Universe are not as infallible as they think they are. Katma Tui is send to recently found obsidian deeps to appoint a protector for this space sector, and Guardians are listening her report after the mission. This space sector is lightless, meaning their are no stars, sun or light. Katma Tui found a planet and a possible protector and approached him. She told him about her intentions and he believed her but he couldn't understand her because in world with no light "green lantern" means nothing. Collects GREEN LANTERN CORPS #207-215, TALES OF THE GREEN LANTERN CORPS ANNUAL #2-3.