Zarkon allies himself with King Cova of Pollux, a planet sworn against Arus since they are descendants of an Arusian prince banished for his immorality. His eldest son Avok volunteers to be turned into a Robeast to personally conquer the world he would stand to inherit. Both enemies of Arus plan to betray one another, but Lotor is attracted to Cova's daughter Romelle, who bears a striking resemblance to Allura. Romelle wishes for differences to be settled between the two worlds, and so do the Voltron Force, who approach Pollux in an attempt to prevent war - but they still have to deal with Lotor and the transformed, powerful Avok. Written by
Did You Know?
A deleted scene from the GoLion episode "Challenge from Space" this was based on showed the transformed prince shot by his benefactor as a result of the stalemate, with his transformation back into his human self confirming the death, and his father being killed when attempting to avenge him. (The king's absence after the fight was noted by the princess in "It'll Be a Cold Day" as insanity resulting from it). See more
So what you're sayin' is, if the people from Planet Arus fight against the people from Planet Pollux, they're really fighting against their own relatives. Coran, it's time to make peace.
That's exactly right.