C631 Cheng Kangfei Exploded the Furnace!

In a single moment, the scene unfolding before Cheng Kangfei was almost too much for him to bear. A closer look would reveal that his opponent was teetering on the edge of going berserk, with eyes aflame. A single misstep could prevent the successful refinement of the Medicine Pill, potentially resulting in an explosive failure.

Yet, as Cheng Kangfei called forth his Yellow Rank