After seeing the changes on the Proficiency Panel, a strange feeling suddenly arose in Lu Feng's heart.
If he continued to cultivate this way and broke through to Level 9 Supreme Divine Soul Realm, the Proficiency Panel that had accompanied him all this time would vanish.
If that happened, relying solely on his own natural talent for future cultivation would undoubtedly slow down his cultivation efficiency by goodness knows how many times.
Chapter 520