My Ancestral Home Is Unusual

[Weird cultivating immortals + doomsday system] [Slow heat + non-cool writing + heavy plot + heavy logic] They are immortals like demons and ghosts like Buddhas. Black and white are reversed, yin and yang are impermanent. Yin Yang Zhuan Lun Sect monks: Men practice female corpses, and women practice male corpses. When building the foundation, the yin and yang of the refined corpses intersect and merge into one to form the Tao foundation. Corpse Yin Sect monks: Refining Yin ghosts into three corpses, the blood of the three corpses is the legendary spiritual milk. The secret of immortal cultivators' longevity is to kill mortals and steal their lifespan. As the saying goes, if you want to live a long time, kill everyone in the world! Build the foundation to destroy a county, and destroy a city with golden elixir! Zhou Rong traveled through time. With the "Light of Dawn" system, he originally just wanted to live well. When in danger, he hid in his ancestral home that became the doomsday base. Later, he was about to die. Should he cultivate this immortal? Should he kill this person? Let's see how he makes his choice... Also known as "Weird Immortal Cultivator: I Have a Doomsday System" Different fantasy, different cultivation, different system