After reaching the Silver stage, the two of them no longer focused exclusively on cultivation and continued downward... They devoured the Ghost Butterfly spiritual power while following the treasure map to determine the exact location of the treasure.
This Great Earth Fissure was extremely large and deep; by now, the two of them no longer knew how many meters they had descended into the earth, but looking downward, the fissure still seemed bottomless.
Fortunately, protected by the Chaos Bell and the Taiji Diagram, and with Thunderbolts clearing the path, the two of them could still advance. As they delved deeper, the strength of the surrounding Ghost Butterflies gradually increased, evolving from unranked to Bronze, then to Silver, and Gold stages. Finally... after encountering the Crystal stage Ghost Butterflies, their progress started to slow down.
