Lord of All People, Start an Era Ahead of the Game

Everyone in the world traveled to a world in the Stone Age, where everyone was a tribal lord and was accompanied by indigenous subordinates. Lingchuan is bound to the system at the start and opens the era store function. By upgrading the system, you can purchase all materials from the Bronze Age and even modern times. Lord 1: "I have just made stone picks and stone pickaxes for farming and logging, and Lingchuan led a team of bronze knights to kill me. If I don't surrender, am I looking for death?" Lord 2: "I found the copper veins not long after the start. Now I have trained bronze warriors, ready to fight all over the world... What, Lingchuan ahead is full of golden armor? Gan!" Lord of the Neon Alliance: "The steel katana has been built, and we are going to plant cherry blossoms all over the world! What, there is a force called Lingchuan ahead who has formed a rifle formation?!" Lord Huangmao of the Lighthouse Alliance: "Once the guns and cannons are built, I will have the world... What, the Lingchuan forces have already increased their manpower..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.