Multiple Mirror Effects in Movies

The Evil Within (2017)

Spoiler Alert !

Some of these pictures and descriptions may give away plot details that you might not want to know before watching the film.
 
Dennis is a young man who was a genius before he experienced head trauma that made him mentally handicapped. He has violent nightmares and thinks he is living inside the haunted house ride in an amusement park that he can never escape. His brother gives him an antique mirror and he freaks out, telling his brother to get rid of it. But soon his reflection in the mirror starts talking to him and convinces him become a serial killer.

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Dennis tells his brother that he's not afraid to look at himself in the mirror anymore, then opens a door and wanders around a mirror maze, where he is grabbed by a demon from his nightmares.

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Dennis' evil image tells him to put two mirrors together so he can see what the demon inside him looks like, and once again he sees the demon from his nightmares.

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After Dennis' murders are discovered, he is locked away in a straightjacket in an asylum, where we see him reflected once again in a hall of mirrors.

The mirror scenes are found at 26:54, 50:40, and 1:34:40.