Energy surged forth as Lin Tian's hand pressed against the "refining mouth" of the black cauldron. In an instant, energy flowed through the internal channels at the refining mouth.

"Sizzle!"

A dull sound echoed as white smoke emanated from the black cauldron, followed by the emergence of a tangible flame.

The flame appeared pale yellow, undulating like gentle waves.

"This is the refining fire. However, this kind of refining fire is ...