User blog comment:Xilinoc/Ch. 680 - THE END 2/@comment-5303512-20160630125434

I know I keep saying that it is pointless to fight Yhwach at this point, but I will leave a couple of wishful thinking theories how Yhwach will lose.

1. Ichigo will get yet another positive revelation that will screw with Yhwach's Almighty, where every single future he sees all becomes the same one of Ichigo killing him, unable to know what to do next he becomes fodder to Ichigo and he dies. (Similar to Matrix 3)

2. Yhwach will attempt to use Almighty but his vision gets blocked by every single Quincy, half Quincy, etc. that he had absorbed, that gives Ichigo the opening he needs to beat him.