C654 Two Divine Artifacts
In other words, as long as their bodies die, no matter how strong their souls are, they won't be able to protect their nests, and when that happens, the Netherworld will forcibly take their souls away, hook them into the Underworld, and wait for judgment.
The Martial Cultivator of that era. Even if you were Sovereign Of King, your lifespan would definitely not exceed 200 years