For several consecutive days, Chen Fei wholeheartedly immersed himself in the practice of the Heart Refinement Formation, even temporarily suspending the cultivation of other techniques.
After all, not practicing other techniques for a few days wouldn't have any impact on Chen Fei. If he could complete the formation diagram one day earlier and confirm its effects in the Strange Heart Realm, then Chen Fei's core soul energy would make a tremendous leap.
He wondered if there were any limitations to this formation diagram or if there were any hidden drawbacks to absorbing the eerie creature source. However, all of these questions would need to be slowly confirmed by Chen Fei after he entered the Strange Heart Realm.
