: By draining Orion, Vrak turns the Rangers’ Legendary Keys to stone and disables their Super Mega Mode . This forces the team to revert to their original Megaforce forms and arsenal, including the Gosei Great Megazord . Dark Robo Knight Returns
: Forced to fight their former ally, the Rangers—particularly Noah —are devastated to see the guardian of the environment now acting as the "Destroyer of the Earth". The Ultimate Deception [S21E16] Vrak is Back (1)
: Vrak reveals he has been holding Robo Knight captive and has reprogrammed him into Dark Robo Knight. : By draining Orion, Vrak turns the Rangers’