The sheep's head entered the water, and a whirlpool suddenly churned up in the middle of the river. Water vapor rose and mingled with the yin energy in the air, instantly making the clouds thicker.
Finally, he raised the pig's head in both hands and solemnly chanted:
"Black swine bearing a pearl, roll the turbid waves; let your cry prolong the clouds and rain!"
The pig's head sank to the riverbed. Instantly, the roar of water swelled, and a long dragon's cry rang out from somewhere.
Waves surged across the river, as though some colossal creature were swimming beneath the surface.
A moment later, large bubbles began rising with a gurgle, as though the entire river had come to a boil.
A column of water as thick as a child's arm shot into the sky, turning into a hazy dragon in midair and coiling around the Dragon-Summoning Banner.
Seeing this, Cui Jiuyang immediately scattered nine bowls of well water, spring water, and river water before the altar.
As soon as the water struck the ground, thick white mist rose, taking on a bluish tint in the night and drifting like clouds alongside the dragon-shaped phantom on the Dragon-Summoning Banner.
Once the white mist had settled, Cui Jiuyang abruptly pulled up the Dragon-Summoning Banner amid the rising haze. Holding it before him, he strode swiftly around the altar for nine circuits, then respectfully planted the banner in the middle of the Rainfall Altar built from four old roof tiles!
"Rain upon the tiled altar, the dragon travels the four quarters!"
In an instant, lightning exploded across the sky. Amid the layers of black clouds, a dragon-shaped figure spanning the heavens wove back and forth.
Whenever the lightning flashed, the dragon's body became clearly visible through the gaps in the clouds.
With