It turns out, besides the tenth-level shielding formation, there was an even larger innate-level shielding formation. The tenth-level formation was merely a decoy to mislead him, making him underestimate the opponent.

The tenth-level killing formation was hidden beneath the innate-level shielding formation, allowing it to deceive the heavens and cross the sea!

He had been completely fooled!

"Ugh!" Thinking of this, Gu You was so furious that he spat out a mouthful of blood.