He-Man/ThunderCats through the chest, revealing herself to be Mumm-Ra in disguise. After confirming their allies on Third Earth are safe from the quakes the Thundercats prepare to head to Eternia. Lion-O speaks his fears about the mission to Panthro, wondering if he, as the Thundercats ruler, is up to the task ahead. Panthro encourages the young king and says both the Sword of Omens and the Thundercats have faith in him. Lion-O thanks his longtime friend as they head to the ship with the others bound for Eternia. Mumm-Ra gloats as he holds up the sword as Adam remains impaled on
He-Man/ThunderCats illusion any longer, and Castle Grayskull is revealed in front of the final Spirit. The Spirit attacks the Castle and the Sorceress manages to hold a protective shield to keep the Castle safe. Panthro and Man-At-Arms aim the cannon at the Spirit and fire, knocking it back. Before they can fire again the Spirit grabs Man-At-Arms and Panthro leaps to free him. While the Spirit is distracted by the two Tygra manages to aim the cannon at the Disk and fire, destroying the last Spirit. As the heroes celebrate, Skeletor watches and comments to Mumm-Ra that the Spirits did better