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As the only original time and space person in a parallel time and space. You said the weapons of the Warring States Period were too rubbish? Watch me casually make an ordinary weapon to discipline them into submission. Do you think the weapons are useful or not? I personally created an army to pacify the four directions. You said that making weapons during the Warring States Period was just a forging master? Then I will show you how I made it during the Warring States Period, and how I made a fortune and became king and emperor during the Warring States Period...