East of the Sumeru Illusion Realm.
Bai Ze had forcibly dug open a mountain. Looking at the fist-sized five-colored soil below, he drooled as he spoke.
"Chen Changsheng, is this the million-year medicinal soil of the Sumeru Illusion Realm?"
"That's right. This is medicinal soil that has accumulated in the Sumeru Illusion Realm for a million years."
Chen Changsheng picked up the multicolored soil and examined it closely before speaking.
"The Sumeru Illusion Realm was built alongside the Pill Domain when it was first established."
"For all these years, countless pill refiners of the Pill Domain have planted medicinal herbs here."
"Although many precious medicinal herbs have been harvested, their seeds and roots remained behind."
"Day after day, year after year, the soil here has been soaked through by decaying medicinal herbs."
"This medicinal soil, formed through such relentless accumulation, is not only a sacred-grade ingredient for pill-making, but also exceptional soil for cultivating spiritual herbs."
"However, this medicinal soil lies buried deep underground. Without a special method, or a keen nose like yours, it generally cannot be found."
"What special method?"
Bai Ze asked eagerly.
Hearing this, Chen Changsheng said calmly, "It's simple. Wherever there are top-grade spiritual herbs, there will absolutely be no medicinal soil."
"On the contrary, medicinal soil can only form in places where low-grade medicinal herbs grow across vast stretches."
"Why?"
"Because top-grade medicinal herbs will be harvested. Once the spiritual herbs are harvested, medicinal soil cannot form."
"So that's how it is!"
"No wonder you never run toward crowded places. You already knew those places had no medicinal soil!"
As Bai Ze spoke, he rubbed his huge head against Chen Changsheng.
Seeing this, Chen Changsheng directly pushed away the furry dog head and said,
"Don't spend all day fighting within the nest. There is