Actually, I'm Already Invincible Under Heaven

In a single day, all nine of the Xiao family's top generals, the most powerful clan in Jiangcheng, died on the battlefield, leaving behind only Xiao Zhantian, a useless man said to have just one year to live. Everyone thought the Xiao family would die out.

What they didn't know was that I, Xiao Zhantian, had already become invincible beneath the heavens.