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**
"Now that you and your partners are all here, you could leave then. As for the rest, it has nothing to do with you..." Yun Zhongzi said distantly as he pointed at the petals of lotus flowers which hung downwards. The petals then gradually opened, revealing one of the former entrances while all the other stamen-like entrances were still closed. "You could leave from this tunnel. When you reach the first floor of Dongtian, you would see the exit open for you too. Quick, leave out of here and don't come back..."