__NOTOC__{{Weapons|image= [[File:Mark of Cain.jpg|right|400px]]|name= The Mark of Cain|Manufacturer= [[God]]|Powers= Source of power for [[The First Blade]]<br>Lock and Key of [[The Darkness]]' cage.|location= Taken with [[Amara]]|episodes= '''First Appearence:''' [[9.11 First Born]]<br>'''Last Appearence:''' [[11.22 We Happy Few]]}}
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