Dark Thorn is Gaston's ultimate Heartless form, activated by Fagin in a last ditch attempt to capture Belle for her status as a Princess of Heart. Sora and Spongebob, alongside the dying Beast, were able to take Gaston Dark Thorn down in an ultimate final battle in the ball room.
(SPOILER ALERT! This character page contains info of a moisode not yet released. it is nessersary to ignor the above info untill ferther notice.)