C54 Billions of Billionaires

"Mr Xiao, are you cultivating?" Outside the door, Chiang Xiner's voice was extremely low. She was deeply afraid that Xiao Yi was cultivating and would disturb him.

One should know that cultivation was a very serious matter. It required an absolutely quiet environment. If one was not careful and was stimulated by external forces, it was very likely that one would go crazy and be doomed forever