At that moment, more than ten Evil Ghosts appeared in the air, all at the Dao Integration Stage, with one even at the Spirit Cultivation Stage.
Yan Chihuo understood at once. Heaven's End King had used him as bait to lure out Nine Nether King's subordinates. And from what he had said, Heaven's End King had not initially expected Nine Nether King to send a Spirit Cultivation Stage expert. If he had not intervened personally, Yan Chihuo would likely have been scattered to the winds, body and soul destroyed.
Still, he bowed to Heaven's End King. "Many thanks for saving me, Your Highness."
Heaven's End King smiled faintly. "I did make use of you this time, but you came through without real danger. How about this—you give me those spirit herbs, and I'll help you refine them. Without my help, even someone at the Spirit Cultivation Stage cannot control this Ghost Fire Pool."
Hearing this, Yan Chihuo took out every spirit herb he had. Heaven's End King glanced over them and said, "These spirit herbs are all of fairly good grade."
With that, he shot into the valley, and Yan Chihuo followed. After entering the valley, Heaven's End King rounded a mountainside, revealing a plain before them. In the middle of that plain was a rectangular pit, three zhang wide, five zhang long, and dozens of zhang deep.
The pit had clearly been excavated by hand. It was filled to the brim with a miserable green flame—the Ghostfire. The Ghostfire had spread into a liquid form, showing just how extraordinary this Ghost Fire Pool was.
Heaven's End King tossed all the spirit herbs into it at once and began chanting under his breath. The herbs bobbed up and down within the pool amid the fiery liquid. With every rise and