C392 Gu Family's Treasury

Although Su Yun had been detected by the Gu family's grand formation, his special ability remained intact. The Gu family was aware of an intruder, but his whereabouts were unknown.

Gu Tianyu was beside himself with frustration. "Tighten the grand formation by adjusting the formation core. We have to find him!"

Gu Feng's brow furrowed as he speculated, "Big Brother