Acquiring powerful strength in a very short time is not necessarily a good thing. Owning power without the moral character to wield it properly will eventually bring disaster. The nature of an ordinary person can easily be corrupted by sudden power.
Cultivation requires balance. If one has already experienced a rapid progression in cultivation, confirmed one's talent, and understood that he is suitable for this path, it's time to calm down, refine one's mentality, so that one's mindset matches the power they hold.
Increase in pure power is not the only aspect of cultivation, refinement, and transformation of one's mentality are equally part of the practice. Because this aspect is not visible nor touchable, it is even harder.
"Tonight, the flowers of the Fiery Sun Tree should bloom!"
Feng Qing'an didn't focus on the Buddha's light rising from the night sky for long. Turning around, he went towards the gap into the netherworld. Visiting the netherworld every night was his routine.