User blog comment:IamJakuhoRaikoben/Chapter 468: Memory of the Stars, Review./@comment-5303512-20160113150826

IN Volume 53 after note, Mashima said the number "12" of Spriggan contained some surprise in the volume. And the number of Zodiac is 12, so Spriggan 12 could have something to do with Zodiac, considering the meaning of 12 Mashima put

ちょっとした仕掛けもあり--There is a surprise in the number of '12'