The Insect Race ultimately had a source—the Insect Nest.
As long as the Insect Nest was destroyed, the hidden danger of the Insect Race would collapse without a fight. Of course, for Immortal Yuan City to have fallen into such a situation, the Insect Nest had to be enormous—perhaps there was more than one. Otherwise, it could never have bred Insect Race members comparable to Divine Sea Realm cultivators.
Lu Ye had experienced a Bug Tide in the Spirit Stream Battlefield, but those Insect Race members had only been in the Spirit Stream Realm, and the defenses within the Insect Nest had not been particularly strong.
There had also been an Insect Nest within the Myriad Beast Domain Secret Realm, but Cloud River Realm cultivators could join forces to deal with that one.
Immortal Yuan City's strength was certainly not weak. Although the City Lord before him was merely a Spirit Body and displayed no imposing aura, he was undoubtedly among the strongest Divine Sea Realm cultivators.
With Immortal Yuan City's strength and the Spirit Bodies' undying nature, dealing with the Insect Nests should not have been difficult.
Ji Yuan smiled faintly. "You forgot what I told you earlier. Although the Soul Pool gave us undying bodies, it also bound us completely to Immortal Yuan City. We Spirit Bodies cannot easily leave the environment of Immortal Yuan City. You may have noticed a breach in the sky before. The Insect Nests are indeed located there, but we... cannot enter!"
Lu Ye suddenly understood. "So that's how it is."
That was why the Air Lock Grand Array had been set up throughout Immortal Yuan City. Since the Spirit Bodies of Immortal Yuan City could not venture deep into the Insect Nests, they had simply laid down the Air Lock Grand Array,