The Door to Darkness is the large door that connects the force of the "everlasting darkness" with the light force of Kingdom Hearts, sealed by the power of the keyblade. First appearing in the first Kingdom Hearts game, as the door briefly opened by Ansem, and then sealed by Sora and his friends, the Door to Darkness makes several appearances in the next installments of the series, only mentioned in a minority by the characters of the franchise. It also appears in the villain tournaments context, though serving another purpose and context. Particularly, in Disney vs. Marvel Villains War, the Door to Darkness is also nicknamed as The Door to Hell, with dark edited footage of the Mount Olympus' gateway being used to represent it's existence.
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