Traveling Through Ancient Times, I Used the Talent of Gods and Demons to Build Cannons

Zhang Xuanyu, a terminally ill engineer He actually traveled to the ancient mythological era He brought with him the inheritance of Chi You, the god of death, and Zhe Dan, the god of war, and the knowledge accumulation of industrial civilization. To break out of your own world! Thousands of races are running rampant, the Yellow Emperor Ji Xuanyuan mysteriously disappears, and the human race is in decline The weak prey on the strong, and the whole world fights to conquer the city! The knowledge about the manufacture of various types of artillery in his mind allowed him to take the lead and defeat powerful enemies. He has won the dignity of survival for himself and the human race! Heartless cannons, smoothbore cannons, mortars... Gustav train guns, all on the scene Hello, beast clan elder, today is your birthday This is a gift from the human race. It's called a grenade. I'll pull the string. You can take it. Look at how festive this smoke is. Lord Xueling, your young master is one month old today. This is a little bit of the human race's wishes. It's an anti-infantry mine. If the young master sits on it, he will get the blessings of all the human race. The world is settled, and the entire universe is back under the control of the human race Zhang Xuanyu announced to the world that my surname is Zhang, arrogant Zhang! Hey, you call me Jade Emperor, Jade Emperor? So, who is that big guy in the sky now? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.