Night Girl appeared trying out for Legion membership by fighting Ultra Boy, and showed her abilities were well up to the task, though she was declined membership due to her power's limitations. She was later made a member of the Legion Reserves.
- Power Limitation: Her power only works in darkness.
- 2 Appearances of Lydda Jath (Earth-Prime)
- 2 Images featuring Lydda Jath (Earth-Prime)
- Quotations by or about Lydda Jath (Earth-Prime)
- Character Gallery: Lydda Jath (Earth-Prime)
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