Fics like Eternity in Eternia

When Mumm-Ra learns of a powerful weapon strong enough to defeat the Sword of Omens, he enacts a spell to open the way to the world where this weapon, the Sword of Power, is located. As Mumm-Ra joins forces with Skeletor, the ThunderCats must join with He-Man and his allies to defeat the evil that threatens both their worlds.

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