C340 He Sneaked into the Mansion at Night and Found the Highenergy Magic Crystal

Under the cover of his danger-sensing ability, Faang Chen could nearly grasp the full scope of the castellan's residence. He noticed that the majority of the Ancient Devil Gods and Demonic Beasts within the residence were concentrated near the entrance to the ore vein behind the residence. Clearly, this vein was the heart of Dark City. Consequently