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**
All of Zhang Ping's words drifted into Zhang Tie's ears.
'Beautifying city wall?'
Although it sounded staggering, Zhang Tie knew that his father could make it.
"A few days ago, I heard many business groups who came to Jinwu City complain that the city wall of Jinwu City was too high and as aggressive as a battlefortress. How about planting some creepers on it? When the creepers covered over the city wall, it would look a bit green and not that terrifying anymore..."
After saying that, Zhang Ping turned around and asked a military officer on his side as he knew that the city wall was designed for some special military purpose, "Will the creepers weaken the effect of the city-defense equipment?"