Thousands of years ago, there was a war between the fairy world and the demon world. In that battle, the fairy world defeated the demon world. During the war, the demon world's magic stone was broken into three pieces and scattered in the world. The magic stone was made from the heart of the ancient beast god, which was injected with ninety-nine and eighty-one poisons by the old master of the demon sect, plus the demonic arts he had practiced all his life. The ancestor of the demon sect used the magic stone to turn all the animals in the world into zombies and the plants into dead ashes. Because of his evil thoughts, all life in the world was devastated and the people were miserable. In less than three months, many people starved to death in the human world. In order to crush the magic stone, the fairy world used up the magic power of five ancestors. Later, there was the 998 who practiced the medicine fairy Peony Immortal. Eleven kinds of immortal medicines were used against them, and only six of them killed the ancestor of the Demon Sect at the last moment. The demon stone was broken and disappeared. The six immortals were safe and sound. The soul of the ancestor of the Demon Sect followed one of the broken stones. For hundreds of years since the war, the immortals and demons have lived in peace. However, in recent years, the demon world has been ready to start a new round of their conspiracy. In the southwest Bashu area, the black monkey, the smallest monkey in the monkey world, has recently migrated in large numbers for unknown reasons, and the surrounding residents often bleed from their orifices, and their internal organs are bitten to death. Immortal World Yaoshan realized that the events in the southwest area of Bashu must be related to the Demon Cult, so they sent their eldest disciple Zhang Hao to investigate. At this time, Fairy Ziyan, a descendant of Fairy Shaoyao, led her only female disciple Pu Wanqiu to also go to check. The ink monkey, also known as the pen holder monkey, is a monkey as big as a human thumb. Many literati will see them when they are writing and painting. They can sleep in the pen holder. Because of its intelligence and small size, it is loved by poets and calligraphers.