For highly experienced students, it is filled with projectile firing devices, traps, and mechanical dangers such as collapsing walls, presses and the like intended to challenge trainees. Meanwhile, an observer must always be present is in the overhanging control booth managing the room's mechanisms to oversee the exercise while ensuring the subject's safety. The Danger Room has been upgraded with robots for the X-Men to fight against. After befriending the Shi'ar the X-Men rebuilt the Danger Room with Shi'ar hard-light holographic technology. The objects in the danger room are holograms surrounded by force fields and can display holograms in only 32-bit color. Since the apparition of the sentient being Danger, the Danger Room now only functions as a empty training area.
