C1984 Long Baichuan, seeking death 5

And the reason why Lin Nuansu and the Devil King were here was because they heard about the ancient ruins.

After going through Lin Nuansu's and the Heavenly Demon King's discussion, they felt that Mu Tianling's words were reasonable. Otherwise, how could Mo Wenchen and the rest's cultivation improve so quickly?

Therefore, Mo Wenchen must have been inside the Bladewind Valley