In summary, there 7 original Green Lantern rings that Rami made were infused with parts of the Travel Lantern. Jessica Cruz is using one of them and now Simon Baz has one. The First Lantern, Volthoom, is looking for the other 5 so that he can reassemble his Travel Lantern and go back to his own Earth.
From – Green Lanterns Vol. 1 #31
