User blog comment:Xilinoc/Ch. 585 - The Headless Star 4/@comment-26420452-20140618101046/@comment-25032153-20140618164341

you would also have to take into effect that when Ichigo passed through would have a greater affect on the 72 barriers because of his mixed linage so it would weaken the recovery power and make it easy for the quincy king to go through as well and also the speed of how he was traveling would also have an effect on the barriers also.