Finn and Jake chase the Lich through a dimensional portal where they meet Prismo, who tells them that the Lich wished for the extinction of all life. This leads Finn to wish that the Lich never even ever existed.
Set in a lawless Steampunk West overrun by brutal outlaws, machines, and supernatural terrors, a father is forced to become judge, jury, and executioner-knowing that every act of justice meant to protect his family may ultimately cost him the very people