Thread:An Advocate for Manga/@comment-27078917-20151017163752/@comment-27078917-20151018174900

See An Advocate for Mangas blog about the rating, I believe the Quinx are able to defeat a SS rated ghoul, but only a SS rated ghoul that has a high activity. Considering the speed and strengh, Shachi is SSS rated but he does not attack many Investigators or Humas what makes him SS rated.