Supergirl and Selena repeatedly battle in various ways, until Selena uses her powers to put Supergirl in an "eternal void" known as the Phantom Zone. Here, stripped of her powers, she wanders the bleak landscape and nearly drowns in an oily bog. Yet she finds help in Zaltar, who has exiled himself to the Phantom Zone as a punishment for losing the Omegahedron. Zaltar sacrifices his life to allow Supergirl to escape. Back on Earth, Selena misuses the Omegahedron to make herself a "princess of Earth", with Ethan as her lover and consort. Emerging from the Phantom Zone through a mirror, Supergirl regains her powers and confronts Selena, who uses the Omegahedron's power to summon a gigantic shadow demon. The demon overwhelms Supergirl and is on the verge of defeating her when she hears Zaltar's voice urging her to fight on. Supergirl breaks free and is told by Nigel the only way to defeat Selena is to turn the shadow demon against her. Supergirl quickly complies and begins flying in