Shadow Lass is a
native of Talok VIII, whose inhabitants are humanoid with
blue skin and
black hair.
Shadow Lass's real name is Tasmia Mallor. She and her cousin Grev were exposed to a catalytic gas when they went into a sacred cave as youngsters. Their exposure
to the gas awakened their shadow powers, enabling them to project a field of darkness that absorbs light. She joined the Legion of Super-heroes after aiding them
in freeing her planet from the Fatal Five.
She is romantically involved with Mon-El.