 Because they are so out of touch with the current state of the universe, the Templar Guardians appoint Hal as a temporary leader of the Corps while they set out on a voyage of learning.Subsequently, in DC Rebirth, while the Green Lantern Corps returned, Ganthet, Sayd, and the Templar Guardians were attacked and abducted by the Controllers.They wanted to harvest Templar Guardians' power to empower the Controllers.