With Maahox as his personal advisor, he collects Haggarium and launches several attacks against Arus and Voltron for the purpose of getting information.
After Zarkon's defeat to Voltron puts the emperor in a coma, under the care of Haggar, the prince is summoned by the witch to lead in his father's stead.
Lotor, with mysterious plans of his own, would join with the Voltron Force after Zarkon awakens and declares his son an enemy of the Empire.
[6] One the differences to Prince Lotor in Voltron: Legendary Defender compared to his 1984 counterpart is that he didn't have an obsessive love towards Princess Allura.
[8] Prince Lotor's life is multiplied by Quintessence, allowing him to live for 10,000 years, due to being already conceived by the time his mother, Honerva, entered the rift on Daibazaal.