Collects Green Lantern (1990-2004 2nd Series) #142-150. Written by Judd Winick. Art by Dale Eaglesham, Eric Battle, Brandon Badeaux, Jamal Igle, and Pat Quinn. Cover by Ariel Olivetti. When Kyle Rayner faces off against his evil opposite, Oblivion, he expends all the energy of his Power Ring, shedding his GL identity and becoming the more powerful Ion. But can he handle near-omnipotent power without losing his humanity? Softcover, 226 pages, full color.