 However, before the two can execute their genocidal plan completely, Non and Indigo face Supergirl and her ally Martian Manhunter.As the Manhunter takes on Indigo, Supergirl and Non fight and end up locked in a battle of heat vision.Despite Non overcoming Supergirl's heat vision initially, her emotions soon help Supergirl unleash her full potential, burning his eyes in the process, resulting in his death.