OnALegendsArticle

Ryll kor was the rarest grade of ryll. It made up approximately three percent of all ryll[1]. Ryll kor absorbed light except in the ultraviolet range. Airen Cracken possesed gear that was able to sort true ryll kor from other grades of ryll that had been dyed black.[2]

When the Coruscant population was afflicted with the Krytos virus, Ryll kor was combined with bacta to create rylca as a cure for the virus.[2]

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