The rumbling noise continued and didn't cease until the originally empty horizon started to darken as if a dark cloud kept growing and growing, crawling its way towards them.
At first, when the rumbling sound was first heard by the Chu empire's army, they didn't take notice of it and acted like they couldn't be bothered by it. However, when the earth started to shake and tremble underneath them, they began to sweat and fear what would come.
After all, nothing was more terrifying than something you didn't know and least expected.
"They're here! We're saved!"
Someone from inside the Henzhou city cried out loudly. It was a young man in a soldier's attire. He ran on the wall and started to climb down the stairs and announce what he saw atop the wall.
