Although Xia Ping thought it was a stone wall, he had no idea what it was actually made of. He only knew it was incomparably hard—probably countless times harder than diamond.
It bore the traces of sages and carried their spiritual power. Anything made of ordinary materials would likely have shattered instantly, unable to withstand it.
The stone wall looked like a gigantic millstone, thousands of meters tall and dozens of kilometers long. At a glance, it was immense and towering, like a giant standing upright.
Dense black and white lines appeared across its surface, crisscrossing one another to form the two poles of yin and yang, like two fish entwined together.
One black, one white.
One heaven, one earth.
One yin, one yang.
They seemed to represent the essence of the universe: day and night, sky and earth, light and darkness, heat and cold. They opposed one another, yet also blended together, embodying the Way of Balance.
Balance—the fundamental law of the universe.
When the stone wall appeared before Xia Ping, and he saw the interwoven yin-yang lines and the black-and-white pattern, he immediately sensed an immense, ancient aura.
In an instant, a terrifying pressure bore down on him, as imposing as a Heavenly Dragon. It crushed against his soul, threatening to break him completely and shatter his spirit.
His entire body was under tremendous pressure, as if subjected to hundreds of times the usual gravity. Every inch of muscle and every bone cracked under the strain, and he was close to being pressed flat against the ground.
"It hurts!"
Xia Ping felt as if his head were splitting, as though someone had struck him hard with an iron hammer. The black-and-white millstone radiated immense authority. It was impossible to look directly at it.
His soul had absorbed a