Spiritual way to immortality

In the Mortal Realm, Late and Peak Nascent Soul cultivators are allowed to reign supreme and are considered "Great Cultivators" in any region. The damaged World Origin Energy restricts Deity Transformation cultivators from using their vast abilities to overpower these "Great Cultivators". Deity Transformation cultivators would suffer backlash attempting to replenish World Origin Energy expended in combat. As a result, Deity Transformation cultivators prefer to recluse themselves from the dealings of the Mortal Realm. They would normally stand as peak power-houses in other Worlds within the Lower Realms. There have only been a few cultivators capable of reaching Deity Transformation stage in the last 2,000 years. Most of them have ascended to the Spirit Realm,[1] leaving only 5 Deity Transformation cultivators in the Great Jin - Xiang Zhili, Eccentric Feng, Hu Qinglei, Old Ghost Bai and Old Demon Che. Since Deity Transformation cultivators are very powerful, they have rules among each other. Engaging in conflicts between other beings of the same power level strictly prohibited and Deity Transformation cultivators are also not allowed to take part in any matters in the cultivation world. The greatest area and "cultivation world" in the Mortal World. It consist of one massive Jin Empire, many great sects and clans. The Great Jin was over ten times larger than the Heavenly South, they attracted a far greater number of cultivators. This caused a severe lack of magic tools and medicines in comparison to the Heavenly South Region. Spiritual herbs or magic tools were significantly more expensive. But the Great Jin was abundant with resources and would have many rare materials that would never be seen in the Heavenly South and even the Scattered Star Seas.[1] The Great Jin was bordered by other unsavory civilizations in the southeast and northwest and that mortal natives would often wage war with them. There exist islands nearby Great Jin continent, like Bitter Bamboo