User blog comment:IamJakuhoRaikoben/Chapter 357: The Nine Demon Gates, Review./@comment-8153438-20131025132332/@comment-1359322-20131025162138

Except it wasn't a sneak attack. Jackal attacked on broad daylight when the council members were having a meeting. If there's anything to it, it's the Council's fault for being extremely careless to the point where one attacker can break through their defence.