Yoru Yami

Yoru Yami (夜の闇 Yami Yoru) is a villain in Nightmare's League of Nightmares, where she entered as a child

Quirk
Shadow Doll: Allows it's user to create a black doll in her hands of someone while touching their shadow; it only works on organic beings.

The doll allows the user to control the individual however how easily she can manipulate the doll is based on the individual's will power; if someone possesses a great deal more will power than the user then the puppet will have no effect.

In order to undo the effects of the quirk the doll must be shattered. If it is then the pieces will fade and the victim will regain complete control over their body