Bruton, who has defeated Hercules and Fotar, has a duel in the Mountain of Tears with Astro. But the volcano starts to erupt and Bruton helps Astro to avert disaster. Bruton refuses to fight Astro. His creator Abrah sends out Bora, and Bruton blows himself up but Astro defeats Bora. Abrah shows Sultan that he is actually his former servant robot and has Sultan reflect on his foolishness.