After defeating Yu Ang, Mo Fan obtained a seven-day training opportunity in the Underground Holy Spring, which had the potential to enhance his power tremendously by unlocking his lightning element. Unfortunately, Mo Fan's pursuit of training was abruptly halted by the unexpected appearance of ferocious monsters around Bo City. Despite the city's protective barriers, the urgency of the situation required immediate action, and Mo Fan was entrusted with transporting the Underground Holy Spring in a small bottle to a safer location away from the destruction. However, the path to safety was laden with obstacles, including bloodthirsty predators and the notorious Black Order, who were a constant danger to obtaining the spring's power. Mo Fan had to devise a plan to prevent its misuse and ensure its safety.