Chen Lingxi raised the jade pendant before his eyes, examining it carefully by the daylight leaking through the window, while continuing to sense it with spiritual qi.
"There is actually an extremely tiny formation hidden inside this jade pendant."
Chen Lingxi had seen the many hand seals Lin Suri had placed into the incense burners and already knew of the existence of formations.
The formation was no larger than a grain of rice, yet its patterns were intricate and exquisite, layered upon layer, interlocking with one another.
Spiritual qi flowed slowly along fixed paths within it, like an impossibly slender stream winding through river channels in a space no larger than a palm.
Chen Lingxi concentrated and examined it closely, advancing his spiritual qi inch by inch through every checkpoint and every pattern in the formation.
He then wore the jade pendant against his body and closed his eyes to observe its changes.
After tinkering with it for two or three days, he finally gained something.
"This formation has two effects."
Still inside his room, Chen Lingxi looked at the jade pendant. "First, it gathers spiritual qi. Second, it uses spiritual qi to alter the wearer's body."
He opened his eyes, clasped the jade pendant in his palm, and activated the strand of Azure Qi in his dantian, setting the formation in motion.
Sure enough, the thin spiritual qi in the surrounding air began to flow slowly, drawn by the formation and gathering toward it in wisps and threads.
The spiritual qi was exceedingly sparse, and it gathered at an exceedingly slow pace. Without close attention, it would have been almost impossible to notice.
Yet this spiritual qi was not directly absorbed by him. Instead, it passed through the jade pendant's formation and adhered to his entire body.
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