"By the way, in a few days, I plan to clean up the Manna Ecology. Who wants to come?" Bai Yuekui.
"Is it to your world? What is the Manna Ecology?" Houtu.
"The Manna Ecology is a new ecosystem formed after the biological chain of a natural world undergoes a displacement. It's like all resources in a immortal-cultivation civilization having their nutrients absorbed and replaced by a strange-beast civilization. This sort of thing happens when the Heavenly Dao interferes.
Chapter 28