Returning to Zhenyu Sacred Land.

Su Chen began refining the Nine Hells Netherworld Flame.

The Nine Hells Netherworld Flame, known as a fierce Skyfire, proved extremely perilous to refine.

This refining process took five years. After experiencing life-and-death trials, Su Chen finally succeeded in refining the flame, causing his cultivation to soar to the fourth level of Profound Connection.