第22話: 一行はエンペラーズキーを使ってサルガッソの戦場へ入り、バリアンリーダーたちと対峙する。

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With "Number 66: Master Key Beetle", Astral is able to activate the Different Dimension Airship inside the Emperor's Key. Yuma is determined to use it to go to the Barian World to save Rei. They head out, accompanied by Shark, Rio, Kaito, Orbital 7 and the Super Secret Number Card Investigation Club. They are pulled in by a black hole and came out of the portal at a place called the "Sargasso the Different Dimension Battlefield", where Vector, Durbe and Mizael await them. (Source: Yu-Gi-Oh! Wiki)