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Mario's Jumpscare Mansion!! is the sixth episode of Season 2019 and overall the 85th video uploaded by OnyxKing67. This is the third episode of OnyxKing series and also the third episode of Revenge of Zelus.
Mario and Luigi are visiting a mansion thinking they've won a Spaghetti filled mansion, too bad they would have to go through 1000 rooms first to claim their prize.