User blog comment:Xilinoc/Ch. 540 - The Sword Five/@comment-10597924-20130608114259

On the idea of Yhwach/Zangestu not knowing who he was read the bottom of this page

http://25.media.tumblr.com/e48e80e6341487a3a372de1de8f4f85d/tumblr_mnx1vzsyyb1sq2dldo3_500.png

He clearly shows intention of using Ichigos quincy powers for himself at some point, which could be potentially the real Yhwachs aim as well