Cacus

Cacus (カカス Kakasu)

Curse and Abilities
Vulcan (バルカン Barukan):

Prometheus Curse (プロメテウス呪法 Prometeusu Jūhō):

Etherious Form (エーテリアス フォーム Ēteriasu Fōmu):

Trivia

 * was a fire-breathing giant and the son of the god in mythology.
 * It is for this reason that his main curse: Vulcan is named.
 * Prometheus