The Kakuzu Mission issue was tested and Hidan NPC was found, even when attempting to Auto it.
You'll have to contact CS through the client ("?") and explain the situation to them, provide screenshots of the error and even provide a Logfile of the issue. How to find logfile: After encountering bug, please do not refresh or relogin, you can do so using the following method: type“hylogfile”anywhere while playing the game (without “” and without typing it in the chat box),and then save the file which pops out when you enter it. Afterward, include it in your ticket and it'll be investigated.
Hope you understand!
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