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**
On the same afternoon, the first batch of explorers of the allied forces had set out towards the underground relics.
Besides the 100 people dispatched by the grey eagle tribe, the other tribes dispatched over 2000 soldiers in total. Gangula didn't go there. However, the wild bear tribe also dispatched a team of 500 soldiers. Being led by the powerhouses of the tribe, they entered the entrance of the underground crack first.