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"Ending of life is... regrettable but sometimes necessary on the road to perfection. I am on a higher path, one that will eventually bring us all into a state of peace and logic."

Commander T'Uerell was a female Vulcan scientist who lived during the mid-22nd century. Originally, a simple researcher for the Vulcan High Command, she became one of the biggest threats to the Federation since before its foundation. (ST video game: Legacy)


22nd century

T'Uerell shares her research with the Romulans.

T'Uerell, sent on a scientific mission as a "Seeker of Past Truth" aboard the ship Seleya, disappeared for some time. In time, the Vulcan government, disbelieving her research and curious as to her fate, requested that Starfleet send starships to find and return her back to Vulcan. In response, two ships, one of which was the Enterprise (NX-01) under the command of Captain Jonathan Archer, were sent to seek her. The Seleya was eventually located behind a dead moon, besieged by Romulan warships which were eventually fought off. T'Uerell revealed aspects of her research to Captain Archer and convinced him to help save the team on one of her outposts from attack by Romulans; however, the station was eventually destroyed with innocents still on board. Despite being furious with these turn of events, Archer continued his campaign against the Romulans. When the Romulans attacked Earth, he commented that he believed that T'Uerell was involved. (ST video game: Legacy)

23rd century

In 2270, Captain James T. Kirk and the USS Enterprise, along with a Starfleet task force, headed deep into Klingon space to capture an experimental vessel, a Klingon Bird-of-Prey. After Kirk captured the ship with a tractor beam, he infiltrated Klingon space and found T'Uerell scheming with the Klingons to once again destroy the Federation with a Klingon beam weapon. The weapon was destroyed, but T'Uerell fled again, much to Kirk's ire. Two years later, in 2272, Admiral Kirk and the crew of the Enterprise thwarted T'Uerell's plan to conquer the Federation, and learned that she was working with strange cybernetic creatures that were assimilating Klingon vessels. Many ships were destroyed in the resulting conflict. During the attack, a particle of Omega destroyed subspace in a three light-year distance. Kirk asked Starfleet to develop the Omega Directive. Kirk was disappointed that he did not defeat T'Uerell and concluded his quest.

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24th century

In 2380, T'Uerell confronted Captain Jean-Luc Picard of the USS Enterprise-E along with Admiral Kathryn Janeway of the USS Voyager. At this point, her once Vulcan starship was covered with advanced Borg technology, making her much more dangerous. T'Uerell revealed her plans to conquer the Alpha Quadrant through the use of Borg technology in order to impose a new age of peace in the galaxy. Attempts were made to convince her otherwise failed. T'Uerell departed from to summon her Borg strain for assimilation of Federation colonies, starting in the Aurelius region. However, thanks to the efforts of a Starfleet task force led by Picard, fifteen impulse transports carrying the majority of the populations of the planets in the Aurelius region made it to Starbase 127, and the evacuees were transferred to warp-capable ships.

Shortly after, T'Uerell's Borg fleet began an assault on Bajor and Deep Space 9. What T'Uerell did not expect was the resistance she would face when Klingons and Romulans joined the Federation fleet against her forces. Her invasion fleet was defeated but T'Uerell's vessel escaped with her enemies in pursuit. T'Uerell fled to a star system with numerous Borg vessels under her command but came under attack by a combined Federation, Klingon and Romulan task force led by the Enterprise-E. After her escorts were destroyed, T'Uerell's own ship was attacked and eventually destroyed, ending her menace in the Alpha and Beta Quadrants. During her final moments, T'Uerell attempted to contact Captain Picard but whether it was the Borg or Vulcan persona within her was unknown. A search was conducted by Starfleet of the remains of her ship but failed to detect the lone Vinculum of T'Uerell's ship that remained and powered up. (ST video game: Legacy)


T'Uerell was determined to use the power of the Borg to create a force for logic and order in the galaxy. In order to accomplish this, she attempted to bide her time until she could finally take control of the Collective itself in order to enforce her views on a chaotic quadrant. She used the Vulcan axiom of "the needs of the many outweigh the needs of the few."

  • Its possible that T'Uerell's research into Borg technology was the inspiration for the Wardens to use a similar approach to cure their master from Bendii syndrome and unfortunately resulted in a similar problem that T'Uerell became.