Usurping the Han Dynasty and Destroying the Qin Dynasty

The soul of a modern mechanical engineer traveled through the Qin Dynasty. Li Chengsheng held a tray containing the elixir of immortality in his hand and slowly walked into the Qin Palace. Looking at the two elixirs in front of him that had been the dream of rulers of all dynasties, Li Chengsheng's mind turned to "Cheap emperor? Where is this?" Come on! Let's see Sajia give you a leg-stretching pill, a civet cat for a prince, hehe, Lao Li put his hands into his clothes and rolled up spring rolls~ America, Europe, the Middle East, I'm here, I see, I conquer!