However, the account includes details that strain the psychological explanation: the alleged feats of supernatural strength, the requirement for men to hold Anna down, and the polysyllabic Latin phrases purportedly shouted by a woman with little education. The Earling nuns who witnessed the event were reportedly terrified to the point of lasting trauma, adding a layer of corroborative weight to the "supernatural" hypothesis.

The demons allegedly speaking through her identified themselves as Beelzebub, Judas Iscariot, and even the spirits of her deceased father, Jacob, and aunt, Mina. Legacy and the "Begone, Satan!" Pamphlet

The climax of the narrative, the multi-day exorcism ritual in Earling, Iowa, is the high point of the account. Vogl describes a scenario that is physically revolting: the subject vomiting leaves, spitting up phlegm by the pint, and speaking with multiple distinct voices (including the "Middle Voice" of a high-ranking demon).