Door of mirrors

A door of mirrors was a door that sporadically effected those that passed through it's arch in a number of ways. At first it would summon a few exact mirror copies of the person or creature that duplicated their every move for 2-7 minutes. After this time, the mirror copies would merge back with the target, electrocuting and confusing them.

These doors were often created so that they would only sporadically trigger, such as once per day, every fourth creature passing through or by random chance

Creation
Doors of mirrors were crafted using the spells mirror image, shocking grasp and confusion.