Xia Li's "Image"

Gengjin Essence was a highly unusual mineral, usually found as an associated deposit alongside metal ores. The atomic structures of metallic elements affected electromagnetism, forming special elemental magnetic fields that converted ordinary spiritual energy of heaven and earth, endowing it with all manner of peculiar properties. This spiritually charged energy would further alter the atomic arrangement within metal minerals, producing minerals with strange characteristics. Only when this effect surpassed a certain threshold would a supreme forging material like Gengjin Essence be born.

For precisely this reason, the larger a metal vein was, the more likely it was to contain Gengjin Essence.

For ordinary magic artifacts, adding even a little Gengjin Essence could raise their sharpness and resilience by several levels. Thus, to Sword Cultivators, Gengjin Essence was an incomparably practical treasure. Whether incorporated into a Natal Treasure or absorbed to cultivate various Sword Qi divine abilities, it was excellent.

And according to Zhen Chanzi's advice, the half-fingernail-sized piece of Gengjin Essence in Wang Qi's hand was an entirely suitable gift.

Although Zhen Chanzi had only met Ye Tianye two or three times alongside Wang Qi, after just those few encounters, he had roughly inferred the usual methods of this transmission elder of Luo Chen Sword Palace from his everyday habits and little gestures, then analyzed the divine abilities he was cultivating. By Zhen Chanzi's judgment, Ye Tianye happened to need this item.

Just as Zhen Chanzi had expected, the light in Ye Tianye's eyes immediately brightened considerably. He was cultivating a Taiyin Xin Metal Sword Qi, and if he had Gengjin Essence to harmonize yin and yang, he could save himself much effort in nurturing it.

Gengjin Essence could only be found in large metal veins. There were not many metal veins overseas. The one or two that did exist