A Clairvoyance skill of C. A Four kilometre Eyesight. By all means, his eyesight could not be described in human terms, for human terms were limited by their imagination of "perfect" 20/20 eyesight, something which Houyi easily exceeded. 

Twisted Fate tilted his hat again, the telltale flaming symbol above many people's heads. However, one head in particular caught Twisted Fate's attention. 

"...there." Twisted Fate muttered. "I see him." Describing the location he saw Sonic.EXE spy on Sylvia, Riku and the others, as well as their puppets, Houyi sought that location with the aid of his clairvoyance skill and took aim before releasing his arrow.

It was by no means a noble phantasm, but it was still a C strength arrow. It should cause an explosion harder than a tank shell - more than enough to at least distract the crazy hedgehog.