C808 Seal the Undead

"Since that's the case, since the Great Devil Dragon has already been killed, we can just seal this place up." Chen Shisan said after hearing his joyous suggestion.

Zhang Ting shook her head and said, "Sealing undead is fine, but you can't seal these undead inside the underground cave. Previously, when undead were able to enter and leave freely, it proves that the underground cave is broken