Lin Shi transmigrates to another world and, after becoming a great general, "dies in battle."
A few months later, the crown prince of the fallen Xiongnu kingdom finds a fool nearly frozen to death in the icy wastes north of the desert.
"What does ghost slave mean?"
"A slave who crawled out of the Nine Nether Purgatories. Now that you're a slave, you can't leave your master. Isn't that right?"
This story is a slow burn, so please be patient.