Having departed the Orrery , Arkillo is shocked to learn that the Sinestro Corps have fallen apart during his isolation in the Orrery .
When the group battles Archangel Invictus , Arkillo tries to protect Walker , whom he considers a friend .
Having departed the Orrery , Arkillo is shocked to learn that the Sinestro Corps have fallen apart during Arkillo 's isolation in the Orrery .
When the group battles Archangel Invictus , Arkillo tries to protect Walker , whom he considers a friend .