C1289 Inner concealment of heaven and earth

"There's really a problem!"

When Cheng Feng's gaze landed on the crack in the tree bark, his gaze immediately penetrated through it.

When he was two or three meters deep in the bark, a thin, invisible crack immediately appeared before his eyes.

Cheng Feng looked towards both sides of the crack.

He discovered that there was a two feet diameter round hole along the crack in the tree bark