Southern Imperial Capital, within an inn.
Chu Zheng, who was sitting cross-legged on the bed, slowly opened his eyes and calmed the continuously surging Yuan Qi within his body.
His previous idea had been validated: Dual Cultivation significantly enhanced him.
The Yang Essence within Song Lingxue that had not yet been completely absorbed had been redivided over nearly ten hours.
A portion of it had transformed into Yuan Qi during the Dual Cultivation and returned to Chu Zheng's body, causing a significant increase in his cultivation.
Now, he was merely one step away from the late stage of Spirit Transformation.
Not a few among the Pre-Qin Qi Cultivators excelled in Dual Cultivation, and many had ascended in broad daylight.