Vain無駄ベイン Bein」 is a power possessed by Arden, of the Pleiades of the Azure Sky.


Weapons imbued with Arden's power can increase the magical burden of an opponent's abilities. This effect can be applied multiple times, preventing powers which use a significant amount of magic from activating. Each time the opponent is hit is times the amount of magic needed.[1] To exploit this ability, Arden primarily fights with arrows.


  1. Nanatsu no Taizai Manga: Chapter 138, page 14.


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