In the Legion's reality, her homeworld of Talok VIII was a member of the United Planets, an interplanetary organization centered on Earth. Mallor, possessed of natural darkness projection capability of her race, was able to prove herself a hero and was sponsored into a hero club, the Legion. The Legion grew into a large organization of powerful youths with non-Human abilities.
While time traveling with fellow Legionnaires Imra Ardeen, Garth Ranzz, Rokk Krinn, Reep Daggle and Querl Dox, Mallor's time bubble was destroyed by a time distortion. The party of Legionnaires, who had been trying to return to the late 30th century, found themselves in the 23rd century of another reality where an Imperial Planets organization ruled Earth. (TOS - Legion of Super-Heroes comic: "Issue 1")
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|Legion of Super-Heroes|
|Legionnaires||Imra Ardeen-Ranzz (Saturn Girl) • Reep Daggle (Chameleon Boy) • Querl Dox (Brainiac 5) • Rokk Krinn (Cosmic Boy) • Tasmia Mallor (Shadow Lass) • Garth Ranzz (Lightning Lad)|
|Legion Academy candidates||Pol Krinn (Magnetic Kid) • Grev Mallor (Shadow Kid)|