Sin​ is a playable character from Fire Emblem: The Binding Blade. Sin is a personal friend of the Silver Wolf's granddaughter, Sue, and aspires to be like the Silver Wolf. Sin joined a band of bandits on the Western Isles so he could find Sue on direct order from the Silver Wolf. When the war is over, Sin becomes the new leader of the Kutolah clan.

In his support conversations, Sin appears as a very stoic and calm person. He is always alert to danger and also a keen observer.

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