General:
Although it is evident by his appearance that he is a Ninja, Sasuke’s true identity remains unknown. Presently, he works as an agent for Red Scorpion, but since he has a mild case of amnesia, he cannot remember his true name. However, during a mission in which he was to assassinate the adventurer, Koji Masuda, he notices a mysterious stone embedded within a broken sword held by Masuda. Believing that this precious stone will enable him to recover his long lost memories, Sasuke aims to acquire the legendary weapon, EHRGEIZ.

Origin:
Ehrgeiz: God Bless The Ring

Other Appearances:
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Comment:
Ninja are usually badass in most cases... And Sasuke is no exception. He has a big spot to fill as the only ninja and Ehrgeiz, and does it quite well.