Dr. Lian Shen met the Shadow King when he took the dead CIA agent Jacob Reisz as a host. Instead of being converted into an almost mindless 'Hound', Shen's darker side was awakened and she became his willing follower. She started hunting the X-woman known as Storm after that. Storm had been reduced to the state of a child, an would have been an easy prey for her where it not for the mutant known as Gambit, whom fought her and eventually managed to stop her and save Storm.
She has not been seen since.