Alternative Name: Meikai no Chouetsusha, Academy e Kikan suru;冥界の超越者、アカデミーへ帰還する

Genre(s): Action Adventure Fantasy Webtoons

Demographic: N/A

Summary:
Leon Klein was a hero who saved the world by defeating the Demon King. However, due to the kingdom's betrayal, he was sent into a prison in the a... MORE Leon Klein was a hero who saved the world by defeating the Demon King. However, due to the kingdom's betrayal, he was sent into a prison in the abyss. "Secret Quest". In a hell with no exit, a trial that will not end until one million magical beasts are defeated. After 10 years, Leon acquired the [Dark Attribute Magic] and escaped the abyss. HIDE