After the Catastrophe, every rule in the world was rewritten. In the Age of Black Iron, steel, iron, steam engines and fighting force became the crux in which human beings depended on to survive. A commoner boy by the name Zhang Tie was selected by the gods of fortune and was gifted a small tree which could constantly produce various marvelous fruits. At the same time, Zhang Tie was thrown into the flames of war, a three-hundred-year war between humans and demons on the vacant continent. Using crystals to tap into the potentials of the human body, one must cultivate to become stronger. The thrilling legends of mysterious clans, secrets of Oriental fantasies, numerous treasures and legacies in the underground world — All in the Castle of Black Iron! Written by Drunk Tiger, this novel is a prime example of fantasy steampunk. Let us journey through the world of limitless possibilities and inventions together! ------ **Warning: This novel contains mature content**
"Elder brother, you can never expose this figure to anyone else. Although I am cooperating with Long Wind Business Group and they also know that I can realize the mass production of all-purpose medicament, they are still dubious and uncertain about my ability to produce such a large quantity of all-purpose medicament. This is to be tested by time and mutual cooperation. Additionally, those who want to assassinate me are also fixing their eyes on us. If this message were exposed to the public, it would very troublesome!"
Looking at his elder brother's shocked expression, Zhang Tie warned him. After experiencing an assassination attempt, Zhang Tie had become more meticulous than ever.