C463 Advancing to a Tier 4 Alchemist

The Medicine King Cauldron was like a cooked prawn, emitting a fiery red light and a fiery aura. As the temperature rose, the Medicine King Cauldron began to tremble uneasily. It was as if there was a Demonic Beast locked inside, and it was determined to rush out.

"Ha..."

With a light shout, Xu Feng's other hand separated from the flame. The principle was turbulent