At the end of Sam Raimi's 1993 horror farce "Army of Darkness," the blustering a-hole hero Ash (Bruce Campbell), stranded in the early 14th century, has handily vanquished an army of Deadites and retrieved the magical Necronomicon, a book that has the power to return him to his own time. The bearded Wise Man (Ian Abercrombie) explains to Ash that he has to drink a vial of elixir and recite three magical words, being careful to recite them correctly (Ash had previously whiffed the same magic...