Talk:Blowing Out the Fire/@comment-4869113-20160223161446/@comment-4080775-20160223181950

He can see energy and energy transfers. A shockwave is simply kinetic energy. He also has a form of ESP (Extrasensory perception) that allows him to see the past of something he looks at. By looking at the shockwave, he could see its past; it was a medium in which the Soulbane genjutsu was being transferred through, as well as who cast the technique. His transcription seal also gave the shockwave away, as it detects all attempts of chakra disruption. Ggenjutsu disrupts chakra, and thus, triggered the transcription seal.

Like, its on his page if you want to read it.