Теневой Легион является подразделением Имперского Легиона , состоящим из имперских боевых магов. Он имел тесные связи с Гильдией Магов, которая имела некоторую власть, чтобы отправить боевых магов на поле боя против магов-изгоев и магов-отступников.Но боевые маги в конечном счете выполняли приказы своих начальников непосредственно из Имперского Легиона.
Перевод вольный, и поэтому может быть не точным, остальная часть под спойлером, просьба перевести,кто сможет
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The Shadow Legion were once trained in the Battlespire, a battlemage academy located in a thin slipstream between Oblivion and Mundus, which was used as a testing facility. Apprentices were sent here to prove themselves. During the Imperial Simulacrum, the Battlespire was invaded by the forces of Mehrunes Dagon, who killed nearly all battlemages stationed there. The Daedra blocked access to the Battlespire through the use of a Daedric Sigil, which prevented the Shadow Legion from entering and reclaiming the academy. Two battlemage apprentices fought their way into Oblivion and followed the retreating army, eventually banishing Dagon to the Void and causing the destruction of the Battlespire.
The Imperial Battlemages also have a presence in the Imperial City, where they are assigned to guard the Arcane University. They patrol the university grounds and occupy an Imperial watchtower there. In 3E 433, Watch Captain Hieronymus Lex briefly commandeered the Battlemages, along with many other members of the Imperial Guard, to search the Imperial City Waterfront for the Gray Fox. The Gray Fox's appearance was a lie circulated by the Thieves Guild, who used the opportunity to pull off several major heists around the unguarded city; the absence of the Imperial Battlemages allowed for the theft of Hrormir's Icestaff from the Arch-Mage's Tower, which was later returned by the Thieves Guild. The theft enraged the Mages Guild, who demanded that Lex call off his search and return the battlemages to the university grounds. That same year, the Imperial Battlemages helped the Mages Guild to catch a rogue mage along the Gold Road, and helped fight against the Order of the Black Worm.
After the destruction of the Battlespire and the dissolution of the Mages Guild, it is unknown where the Legion was based during the Fourth Era.