Before the Lantern Festival, Zhao Yao blew up several alchemy furnaces. Fortunately, he was blessed with great fortune and only suffered minor injuries in the explosions, avoiding death.
Through these explosions, Zhao Yao had accurately grasped the formula for Black Fire. He planned to go to North Mountain to create Black Fire Weapons after the Lantern Festival.
At first, He Lianfang thought Zhao Yao was just fooling around with the alchemy furnace explosions, never imagining he was actually attempting to make Black Fire Weapons. He had heard Zhao Yao speak of firearms before and had seen a simple version made by Zheng Cheng. Zhao Yao mentioned that a true firearm must have Black Fire; without it, a firearm is no different from a crossbow. However, a firearm with Black Fire possessed thousands of times the power.
