Right after that, Lei Dong began refining it. Before long, the Myriad Ghost Banner fell silent. It wouldn't be long before Li Yao's Nascent Soul turned into a Golden Core level fierce ghost inside the banner. This was one of the Myriad Ghost Banner's weaknesses. Lei Dong had heard that the Yin Sha Sect possessed a secret art that could turn a cultivator's Nascent Soul into a Nascent Soul level fierce soul. The sect's signboard was said to house several such Nascent Soul level fierce ghosts. However, that secret art had many drawbacks. The ghosts had to be refined using the sect's special formation, and afterward they became one with the formation, unable to be moved.
In addition, the Myriad Ghost Banner spat out a fan-shaped spirit treasure and a huge Storage Box. These were all things Li Yao had refined into his soul. The fan-shaped spirit treasure was the weapon Li Yao had used, and it could unleash a surging blue flame of considerable power.
As for the pitch-black Storage Box, made of some unknown material, it struck Lei Dong as rather odd.
Any cultivator would use their soul or Nascent Soul to nourish magic treasures and spirit treasures. But the treasure first had to be worth the effort, because doing so took time and energy, and could even delay the tempering of one's soul. Lei Dong had heard of Storage Boxes. Unlike Storage Bracelets, which were portable, Storage Boxes were inconvenient to carry around because of their shape and design. However, their spacious interiors made them useful for sect storehouses or transporting large shipments of goods.
Of course, Storage Boxes were bulky and often required thousands or even tens of thousands of times more materials than a Storage Bracelet. Even the most basic Storage Box was expensive. Ordinary