sentences:  Later all Lanterns' rings registered that the Sinestro Corps have disbanded with 98% of all known Corpsmen dead or incarcerated, requiring Arkillo, who was cut off from the other Corps in the Orrery with the during this attack, to use a new, independent power battery forged by the Weaponer from the fear of the Korugarians.It has since been revealed that the Guardians were responsible for Sinestro acquiring a Green Lantern ring in an attempt to undermine the Sinestro Corps as part of their future plans to destroy all seven Corps.During the conclusion of the "Wrath of the First Lantern" storyline, Sinestro becomes once again a member of the Sinestro Corps and after bonding with Parallax, he reactivates the yellow rings and releases all the Sinestro Corps members who were incarcerated on Oa.