Vrak isn't just back for revenge; he’s back to finish what he started with a multi-layered plan to literally tear the Earth apart:
The most emotional blow for the team is the return of Robo Knight , who has been MIA since the Megaforce finale. [S21E16] Vrak is Back (1)
: 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 Vrak isn't just back for revenge; he’s back
In Episode 16, " Vrak is Back (1) " , the stakes reach a boiling point as one of the series' most calculated villains returns to reclaim his birthright after the demise of his brother, Prince Vekar . The Master Plan: Earth on the Brink Dark Robo Knight Returns In Episode 16, "
: Vrak reveals his master plan to plant three massive drills in the land and sea to reach the Earth's core and turn the planet into dust.