C474 The Land of Wealth and Fortune

"Then what is the existence of these two arcane realms?" Mu Sheng asked, puzzled.

"It's just an interstitial space. Most of them are formed by formations, which consumes a lot of spiritual energy. If they weren't built on spirit veins, I'm afraid they wouldn't be able to support the formation's energy. " His divine sense pierced through the middle.

"So that's how it is