I Am Determined to Become an Immortal, but the Young Master Keeps Opening the Back Door for Me.

Twenty thousand years ago, the Demon Realm awakened the Lingtian Stone with a blood formation. The human world was vast and all living beings were devastated. The God Realm used the Phoenix Heaven Formation to perish together with the Demon Realm, and perished in the desolate and confusing realm. During these twenty thousand years, the world absorbed heaven and earth, humans could cultivate immortals, and plants and trees could become spirits. Three major immortal sects were derived - the Realm Cultivation Sect, the Qi Cultivation Sect, and the Martial Cultivation Sect. As for the five demon realms, the three demon realms inhabit the desolate realm and are cut off from the world. The remaining two realms are the Tan Bird Realm and the Spirit Snake Realm. However, due to the limited spiritual energy left by the gods and demons for 20,000 years, both the immortal and demon realms have noticed the changes in the spiritual energy of heaven and earth. The spiritual energy is getting thinner and thinner. Within two hundred years, no one in the world has become an immortal, and no grass has become a spirit. Ling Qi Xiao Hanyan is the young master of one of the three immortal sects, the Realm Cultivating Sect. He shoulders the responsibility of protecting the common people. When he was looking for the spirit grass, he fell into the Yu Lake in the Desolate and Mysterious Realm. He met the unenlightened little demon Ling Xiaoxiao, but he didn't know...