C109 A Dragon Has a Reverse Scale

Eight major realms of cultivation, the Tribulation Crossing Stage was the last major realm. There were very few cultivators in the entire universe who could reach this realm, and all of them were as rare as phoenix feathers and unicorn horns.

Also, Tribulation Crossing Stage had a lifespan of over a million years, and the Primordial Spirit was immortal and indestructible