After the old man left, Chen Xi closed the door and prepared to return to the inner room to read. For him, nothing was more important than studying the texts of this period, even though he had memories from his previous life as Chen Xi, they were not entirely complete.,Chen Xi carefully reviewed all the historical materials and finally determined one point: history had already begun to change during the Warring States period four hundred years ago.,Those who could cultivate qi to enhance their bodies were rare in the seven hundred years of the Spring and Autumn and Warring States periods. Even rarer were those who could temper their spiritual power to resonate with heaven and earth. But that stone caused a drastic change across the entire Central Plains region, fundamentally altering everyone's physique.。