User blog comment:Xilinoc/Ch. 606 - DIVINE DIVISION/@comment-25247258-20141121042539/@comment-5398287-20141121045026

Having had another look at that last page, I'm 80% certain that Yhwach's about to use a Quincy spell a la Kirchenlied: Sankt Zwinger. If you look closely, you can see Roman letters on what appear to be columns of Reishi rising from the ground, which to me seems like a spell or some sort forming.