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In "At the Edge of the Darkest Night", Adam, Teela, Clamp Champ and some OCs follow Skeletor and Whiplash into the burial place of Kartan, an ancient ruler who was buried with an army of stone soldiers.
When he climbs out of his coffin, Kartan knows that Prince Adam is He-Man, saying privately "Long has the royal family of Eternia wielded the Power of Grayskull."
Well that's hard to square with Randor's being kept clueless that his son is a hero, which here as all the other fiction until the 2021 cartoons was the main narrative driver of their relationship.
