Ka—ka—
Accompanied by the striking of flint, a burst of flames instantly ignited on the ground.
"This is underground divine fire," Rote withdrew the flint and looked at He Ao.
He Ao glanced at the burning flames.
Surface-level natural gas.
"Is there a lot of such combustible gas in the surrounding area?" He looked at Rote and said slowly.
Upon hearing He Ao's description of 'combustible gas,' Rote was initially taken aback, then quickly understood.
"There's a lot," he said quickly, "just dig a little deeper and you can extract it. The original noble district also has it, though not as much as here. That's why the major nobles wanted to move the noble district here."
It seems that the Rock City State has developed some shallow natural gas extraction technology.
The pot cooking meat broth that He Ao saw when he rescued the little girl seemed to be burning natural gas beneath it.
With this, the crisis of lacking firewood for heating can be somewhat alleviated.
