"I don't know either. Grandpa taught me since I was young."
Si Yinan shook her head and fell to the ground. She looked helpless and said, "Grandpa always told me to cultivate hard so that I could become stronger. But I was playful and always lied to Grandpa that I had already cultivated. If I'd had worked harder back then, I might have been able to activate it for the fourth time now."
A sense of regret filled Si Yinan's body and mind. This was the most painful realization when faced with something and when she was helpless.
Chen Fei didn't say anything and tried to use a spirit weapon to drive the spirit jade. The spirit jade trembled slightly but immediately calmed down.
Chen Fei's expression changed slightly. There was a feedback, indicating that mental strength could control the jade. However, the feedback was not strong, which meant that the method of using the core soul energy was not appropriate.
