Xuanming extended his spiritual perception into it, following the mysterious aura emanating from the Water Moon deep into the underground Water Vein. He discovered four glowing spots within the Commandery City, each within the Water Moon of an ancient well in its eastern, southern, western, and northern districts.
Suddenly, he recalled a legend:
A thousand years ago, the nations had waged chaotic wars, and demons had seized the chance to wreak havoc. A Cangyue True Lord had arisen here, known to the world as Cangyue Fairy. Offering herself as a sacrifice, she had slain a Demon King and a hundred thousand demon soldiers.
After that battle, the surviving people had built Cangyue County upon the ruins, commemorating and worshipping the true cultivator who had protected all living beings. This had been the predecessor of Cangyue Commandery.
After Cangyue Fairy fell, her Dharma Treasure, the Jade Wheel, had shattered into fragments, becoming the local specialties of the thirty-six counties. These four glowing spots were presumably the remnants of her Dharma Treasure.
Through the Water Moon, he drew the four objects along the underground Water Vein. They converged within the Water Moon, absorbing the lunar power of the three origins—heaven, earth, and water—and fused together into a Crescent Moon Stone.
He raised his hand and retrieved the Water Moon Stone and the Earth Moon Stone that had fallen into the well. Seeing that the two Moonstones were symmetrical, Xuanming tried to join them. To his surprise, they fit perfectly, though they could not fully fuse.
After a moment's thought, he drew down moonlight from the horizon and poured it into them. The Moonstone immediately shimmered and flew up of its own accord. After revolving nine times, it fused completely, leaving a full moon suspended above the little courtyard. Xuanming opened his hand,