Crossing the Tribe: I Was Regarded as a Disaster Star at the Beginning

[Tribal farming + hegemony + infrastructure + evil] Du Kang put a knife against the wizard's chest: "Great wizard, do you think the celestial phenomena are bad or good?" "Good luck... Good luck, no, good luck!" "Very good!" Du Kang nodded with satisfaction: "Now I have the final say on the tribe, who is in favor and who is against? … The time traveler Du Kang accidentally came to the primitive tribe and was regarded as a disaster star at the beginning. He received a god-level assistance system and started a different life. Mad Dog School's practical combat skills, practical psychology, Thirty-Six Strategies, Compendium of Materia Medica... Various technical supports made Du Kang an all-round leader. During the war, other tribes were still using bone knives, but my tribe was already using copper knives. During the election, other tribes were still counting stones, but my tribe just stood upright. When attacking the city, other tribes were still using stones and bone spears, but my tribe just used catapults and siege engines... Building cities, smelting steel, making plate armor, reclaiming wasteland, and expanding territory. Whoever said I was the disaster star, I am his disaster star! Please move to the main text for details...