Nightside has the power to tap into the extra-dimensional Darkforce, utilizing it to plunge her surroundings into complete darkness, displace projectiles away from her person, and swallow her opponents into a nightmarish void.

While investigating the planet Ch'reesharaa, the Imperial Guard was met by the X-Ternals who their leader Guardian mistook as interlopers in their affairs. Though the X-Ternals managed to escaped, the Imperial Guard was able to locate them with the use of a tracking device in Rictor's possession. A short lived battle was fought against the X-Ternals and a former Shi'ar warrior Jonath before the latter and the entire Imperial Guard, save for Gladiator, were all crystalized by the M'kraan Crystal.