Well his sword reflexes are intensely fast. Slicing through the barriers would be no sweat, with his perception and vision as the main perks. He would face Unalaq in close combat then.
Well I never said Unalaq would stand still. Kinda in the first cause I was not thinking through. As you said, they'll go all out with their powers. So this 'supercharged' form of Kokushibo would do the thing, ya think so?