The Returning is the tenth episode of the second season.
Synopsis[]
The Defenders locate the third Pure Stone; hidden in the sacred floating city of Callisto. Mel detects the presence of the final stone, but getting it proves impossible as it is guarded by a fierce monster. The Defenders learn that only the Nova Stone will destroy it, but because of Brim's trickery they must exhaust every other method to complete their mission.
Video[]
Di-Gata Defenders S2E10 - "The Returning"