<p>Finn attempts to prove to Jake that Flame Princess isn&#39;t evil while trying to win her heart turns into a quest to stop her from taking over the Goblin Kingdom.
<p>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 &quot;never even ever existed.