FallenDemon
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2019-01-25 JoinedUnited Kingdom
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FallenDemon1yrReplied to DragarI think the manga is How to Build a Dungeon: Book of the Demon King
''From now on, you are the Guardian of the Sixth Floor. Anyone who reaches here without my permission, you are commanded to kill them. As my knight, you will die defending this place if needed.''