C729 Initial Jin Dan

"After ten full hours, I only managed to refine three fifths of it."

"If I want to refine the remaining two-fifths, I'm afraid I'll need at least another forty hours."

The later one refined the Nine Transformation Golden Pellet, the more difficult it would become.

Although he only had a small amount of energy left, it would take much more time to completely refine it than he had spent earlier