Wei Ying & Lan Zhan: Untold Stories - Chapter 4 "Gusu Part 2"
Within the golden core, maintaining the stability of qi is a delicate balance, but once attained, it can enhance the immortal’s power significantly. Among the cultivation methods, meditation is one of the most difficult to master. Hence, training through meditation is a skill that takes years or even decades to achieve fruition. Thus why, when such cultivation takes place, a privately secluded haven is a more ideal location. Centuries ago, the founders of Gusu Sect chose to s