MAP23: Ascending to the Stars (Hell Revealed)

MAP23: Ascending to the Stars, designed by Yonatan Donner, is the twenty-third map of Hell Revealed.

Description
According to the Hell Revealed info pack:


 * You enter some sort of a flying technological base with heavy resistance, especially around the red key. You will have to penetrate Blue Sector, a little-known radioactive area, in order to get one of the keys. Your mission is to destroy the main reactor of the base.


 * Size: large
 * Difficulty: very hard

Speedrunning
See:
 * Hell Revealed at Compet-N
 * Hell Revealed at the Doom Speed Demos Archive