"Alright. Since the two of you already understand a little, I'll leave the matter of the River of Yin Flow to you both," Grand Ancestor Sun said.
"Grand Ancestor Sun, you mean..." Chen Yangqi did not understand.
Yang Chen was equally bewildered.
Grand Ancestor Sun smiled. "There was no other way. The Underworld ghostly creatures by the River of Yin Flow have already been cleared out. However, a spatial node leading from the River of Yin Flow to the Underworld cannot be destroyed in a short time. Moreover, after observation, the Underworld is still continuously sending Underworld ghostly creatures into this spatial node. Thus, after discussion among the various clans, it was decided to send cultivators into the spatial node to eliminate these infiltrating Underworld ghostly creatures."
"We're supposed to deal with these Underworld ghostly creatures?" Chen Yangqi was immensely curious. By rights, those Great Ascension Stage experts could simply wipe them out on the spot. Why send them to handle it instead? Chen Yangqi could not help but feel puzzled.
Grand Ancestor Sun said, "Only cultivators below the Great Ascension Stage can enter that spatial node. Great Ascension Stage experts cannot do anything to the node from outside, while fighting within it may cause turbulence in the spatial node, leaving all cultivators and ghostly creatures forever unable to return to their respective realms. Therefore, if we wish to eliminate these ghostly creatures, we can only use cultivators below the Great Ascension Stage."
"Of course, you two need not worry either. The ghostly creatures within the spatial node are also below the Great Ascension Stage. That is why we say the ghostly creatures infiltrating from the Underworld remain within a controllable range. The only frustrating thing is that the Heavenly Peng Clan could have resolved this alone, yet that clan