Faced with his wife's blood-curdling cry like a cuckoo, Li Fengyun said inexplicably: "Is there a problem? He is the Sword Spirit of the Celestial Divine Sword from the ancient Immortal Demon War period. After being awakened by Qingming, he signed a master-servant contract with her. Everything is quite reasonable and believable."
Lu Xin incredulously raised her head and stared at Li Fengyun: "What's reasonable? The Immortal Demon War of Jiuzhou? Have you ever heard of it?!"
Li Fengyun said: "Probably a story from the Primordial Era. Now, Demon Essences occasionally appear in the Border Desolate Area. According to scholars' research, Demon Essences are not ordinary Mountain Spirits and Wild Beasts. It can be determined that long ago, Demon Essences should have had a highly developed civilization, but for various reasons, it was destroyed overnight. This coincides with the account of the Immortal Demon War."
