During a packed performance/show/presentation, renowned magician he/him/the illusionist attempted a daring feat/trick/illusion that involved disappearing/vanishing/transforming a volunteer/audience member/assistant within a cabinet/box/glass sphere. The crowd gasped/murmured/held their breath with anticipation as the magician manipulated/worked his

Dipper and Mabel Pines are totally clueless/completely unaware/blissfully ignorant of the terrifying truth/sinister secret/dark fate that awaits them. Their summer vacation to Gravity Falls has taken a horrifying/demonic/unholy turn, as they find themselves trapped in a scorching/blazing/infernal hellish dimension. The Mystery Shack is now a haunte