In VR Troopers, Grimlord and his minions created new mutants and cyborgs from the Virtual Dark Fortress. Footage for those monsters (except for Transformatron, who was American-made) came from either Uchuu Keiji Shaider or Jikuu Senshi Spielban (which depended on which category the mutant/cyborg fit), which were both Japanese tokusatsu shows that were used for the adaptation of VR Troopers.
The Virtual Dark Fortress was the secondary base of Grimlord, which was created with the activation of an energy prism that contained a download of Tyler Steele's knowledge of Virtual Reality. The Fortress took the form of an orbiting station, and the exterior was borrowed from Uchuu Keiji Shaider of Japan, from which Japanese footage for Season 2 of VR Troopers was taken. The interior however, was distinctly American, right down to using actors for that footage that time instead of dubbing Japanese footage of the various mutants who inhabited its predecessor, the Virtual Dungeon. Grimlord had fierce new soldiers who awaited his command. When it came to the end of Season Two, JB and Kaitlin sneaked on board to rescue Dr. Poindexter's robot, Galileo, whose memory was drained by Oraclon and punched in a command to cause Oraclon to overload and the Fortress was damaged. Thus, the Virtual Dark Fortress seemed to be immobile and unusable. At the end of the final episode, Grimlord ordered for Oraclon to be reprogrammed and the Dark Fortress to be rebuilt as he vowed revenge on the VR Troopers, but that was Grimlord's last scene.
After Ziktor used the prism on his desk and turned into Grimlord, he teleported to the Dark Fortress where his servants said: "Hail Grimlord! Lord and Ruler of all Reality!"
General Ivar and Colonel Icebot were still affiliated with Grimlord and communicated with him through a holographic video screen much like they did in the Dungeon since they were not inhabitants of the Dark Fortress. Also, Air Stryker and Fighterbot were still available to carry out aerial attacks against the VR Troopers.
We Are VR Troopers![]
Of course, since the Virtual Reality War was set after Season 2, Oraclon was already destroyed by Galileo, thus making the Fortress inactive; however, Grimlord and his warriors were lucky enough to find a backup to have it up and running, as they conveniently and aimlessly hovered over Asteroid 66, a remote location in virtual reality next to the Indigo Sector/Void Club! The heroic Mutants warned it was a place of obscurity belonging to the territorial, ruthless robots of the league, the Turbo Techies. Thru their technology, Grimlord was able to hijack them making the bots serve evil purposes!
They resumed their destructive ways, and the General declared it was war! Thanks to the prism and the Techies' knowledge, the Fortress was shielded from any onslaught! Not even the Alien ships could penetrate it! Until JB had the bright idea on sending Chita and Galileo to Virtual Reality after having the bot drain the prism! Chita commandeered it, though the sensors were foggy upon the corruption; however, it was successful on firing onto the enemy stronghold! With it, the Fortress was vulnerable, though Razor Kidd ordered to hold their fire. Tyler was already held hostage by Tran Shooter and its minions, and Ryan was stunned! Razor Kidd fired directly into the main deck and eventually shot Karl Ziktor as his powers ran out! The ship began to self-destruct, and Kidd helped the Steeles escape in the Blue Hawk, before the heroes cheered!