Karin (Demon)

Karin(カリン Karin) is an Demon from the Book of Zeref called an Etherious. He is a loyal subordinate of Akki, one the Thirteen Demon Lords. He uses Sonus, a curse using the ability of Sound and a strong user of Sword Magic. His most prominent sword is Kronos, the Hellfire Sword.

Equipment
Kronos(クロノス Kuronosu):

Eternal Sword(イーテルナル スウォード Iiterunaru Suwoodo):