Prehistoric: I Rule Yuanzi, and I Will Be Arbitrary for Eternity.

The protagonist, Lu Ze, is a new college student in the new era, that is, the 21st century. He suddenly dies and travels back to Zhen Yuanzi. Lu Ze, a new generation of prehistoric strivers, will work hard, fight tenaciously, and be proactive to become a leader of the new generation of prehistoric people. I, Lu Ze, also known as Zhen Yuanzi, will lead Hongyun and Minghe to work hard to develop Honghuang. Hongyun is the second leader, Minghe is the third leader, and we, the three brothers, are invincible, invincible, invincible. Story summary: In countless tribulations, Lu Ze relied on the prehistoric auxiliary system to grow, and he grew up in countless tribulations such as the beast calamity, the dragon-han calamity, and the dao demon calamity, collecting treasures, and improving his own cultivation. Before going to Zixiao Palace, he befriended Hongyun and Minghe, and became sworn friends with Jinlan and became three brothers. Later, he used the treasures of the underworld, the Book of Life and Death, the Judge's Pen, the Purple Lotus of Reincarnation, etc. To build the underworld and became a reincarnation saint. With the incarnation technique rewarded through the system, he was divided into two incarnations, one with the Book of the Earth. To open up the earthly immortal world and spread the earthly immortal method to become a saint, one opened up a small world and became a saint with 36 Dinghai God beads, while his close friend Hongyun opened up a four-phase world and became a saint with the help of the four-phase pipa tree, the four-phase orb and the four-phase futon, and Styx opened up the netherworld and became a saint with the help of Lu Ze.