User blog comment:Xilinoc/Ch. 599 - Too Early To Win, Too Late To Know/@comment-3286233-20141003145804/@comment-1268838-20141003231856

Well, the Sternritter are fairly meaningless in their own way. Kubo hasn't gone out of his way to make them terribly complex, like he did with some of the Espada. They're basically glorified cannon fodder. I do not think it would be very difficult for Yhwach to replace them.