Hal Jordan's epic sagas: The War of Light (Raid on the Vega System)

A being named Larfleeze founded the Orange Lantern corps (powered by the orange light of avarice) in a planet called Okara within the Vega System. The Green Lantern and Sinestro Corps then began to patrol this territory and began a quarrel with Larfleeze, who in turn became aggresive, which made the Guardians invade this system and seize everything from the Orange Lantern corps.

The clash was epic and it ended in a draw between the Green Lanterns and the Orange Lanterns, and everything calmed down and the hostilities ended, but the one condition Larfleeze demanded to end the war, was to know where did Hal Jordan found a Blue ring that he used in the battle against him...