Mirror at the End

Mirror at the End (끝의 거울, kkeut-ui geoul) is a device that is responsible for saving the data of anyone that has passed all the stages of the Hidden Floor before sending them back to the Hell Express. In the process of saving the data, the sworn enemy is also deleted leaving only the data human.

About
The mirror can be smashed, something Urek Mazino did when he discovered that his data would not save properly. This caused a lot of instability on the Hidden Floor, among them was the sworn enemy of Urek was saved in a bugged format and many of the data people started to become more conscious.

Notes and Trivia

 * Mirror of the End is not only an exit from the Hidden Floor, but can also be used as an entrance under certain circumstances.