C185 There Was a Big Business

In the mortal world, the consumption of spiritual energys was much faster than in the Immortal Domain.

Although Sui Guan only had five minutes to circulate his energy, However, in such a short period of time, he had already used up a tenth of his stockpile of mortal worlds!

In other words, in the mortal world, if Sui Guan used the spiritual energy to fight