Every day a large number of demons are tossed into it and refined by the fifth-stage wine bug.
Obviously, even if Zhou Sui ascends to the Immortal World in the future and takes the Wine Bug with him, Xuanhuang Sect will not lack Spirit Wine, thus lessening the loss of cultivation resources.
After Wine Bug, Book Worm also follows this routine, leaving its child library as a Book Mountain.
You can even obtain information by entering the inner world of the Book Worm through a contract.
"Now we need to set up the Prohibition Array in the Xuanhuang Sect."
"As a Nascent Soul Sect, it's unsystematic to lack a Prohibition Array."
"The spirit vein around the Xuanhuang Sect has now been elevated to the top level of the sixth stage."
"But, there's no data on the sixth stage Prohibition Array, which is a pity."
"But it's unavoidable. After all, Divinity Transformation was the limit in the original Cultivation World."