Green Lantern: New Guardians Vol. 4: Gods and Monsters (The New 52)

The Templar Guardians have been locked away for millennia and now, they need Kyle Rayner's help. But once he sees the strange anomaly lurking at the edge of known space, he may have no choice but to get on board with their mission.
This title collects
Green Lantern New Guardianse #21-27, Green Lantern Annual #2