C123 Extinguishing Diamond With One Axe

Looks like it was indeed Bei Chuixue's doing.

At the entrance of the dungeon, Nangong Shi could clearly feel the auras of the Elder Mo s and Ao Lie s inside, and his heart immediately confirmed it. And being unable to contact the Elder Mo, other than the faintly discernible connection they had with the life contract, there was nothing else. Elder Mo and the rest should have been sealed