Supergirl Vol. 7 (2016-Variant Covers) #30

Plot

If you want to do something right, do it yourself-the crystalline Lord Gandelo is tired of sending others to kill Supergirl and has arrived to destroy the Girl of Steel herself! It's an all-out fight as crystal battles steel-and Supergirl must choose between avenging Krypton and sparing a wicked life.