C681 You Definitely Didn't Pay the Tuition Fee

"No, it's not necessary." Jin Xin felt a little helpless, "The cultivation efficiency of the techniques now is too low. Black Tortoise said that he will find another one for me after Chen Feng leveled up, but..."

She did not mention what happened after that. The West Kunlun had been rejected by Chen Feng, and their technique had yet to be upgraded