Mystic Eyes can kill anything

Understand that everything has a flaw, a fundamental lie. Then, understand that everything is driven to entropy, to be pulled into chaos and break down. You’ve been brushing that boundary of death for so long that you’ve been able to comprehend it, your eyes allowing you to observe these flaws like a microscope would, seeing lines no one else can see. What you’re seeing is a thing’s death, its end, and you can touch and mold it with your will.

(Kara no Kyoukai 4: Garan no Dou Chapter 4 - pages 29-30)