Is there a problem with the central arrow without its own skill? If there were other appropriate characters, the story would be easier to understand if they were written in, but since your comment is written in such a way that I don't understand why, it loses its credibility.

central arrow You should stop doing this because you really have no sense. Do you know what Kill Line is? There's no doubt that it's crazy. A series of pin stabs with a 40% win rate. It was definitely a duck.