After setting up the magic formations, Xiao Yu came to the cyan stone wall, opened his mouth, and spat out nine Golden Bamboo Divine Thunder Swords.
"Go!" At his low command, the nine flying swords turned into nine streaks of golden light and shot toward the stone wall.
With several soft pfft sounds, all the flying swords sank several feet into the wall.
Then Xiao Yu carefully controlled the flying swords, using them to cut through the cyan stone wall.
Before long, he had carved out a passage thirty feet long and wide enough for two people to walk abreast.
As he pulled the embedded flying swords out of the wall once more, several cyan streams of spiritual power suddenly gushed from the sword holes with a whoosh, forming a fierce wind that swept toward him.
Sensing that these were merely currents of spiritual energy, Xiao Yu neither dodged nor took any other measures. He simply let them wash over him, making his cyan robe snap in the wind.
The currents swept past Xiao Yu and rushed behind him, crashing into the magic formations he had set up with a boom and unleashing waves of cyan light.
Fortunately, the formations held strong. After a series of humming sounds, they blocked the currents of spiritual power, which then flowed back and filled the entire space Xiao Yu had excavated.
Before long, wisps of spiritual energy began appearing in the small space at a rate visible to the naked eye.
"Such dense spiritual energy! It more than rivals the fiftieth level of Tianxing City!" Xiao Yu exclaimed at the sight.
Since the magic formations he had laid could prevent the spiritual energy from leaking out, Xiao Yu no longer had to worry about anyone discovering this place.
He stepped forward and began