C4391 Prelude
To the Myriad Saints Dynasty and other major powers, the Unfailing's Emperor Dynasty wasn't a big threat to them.
Even if the Unfailing's Emperor Dynasty had Empyrean Nihility Immortal and a few Heavenly Venerable Weapons, they still wouldn't be put in the eyes of Myriad Saints Dynasty and other major powers.
After all, the Myriad Saints Dynasty, Great Nirvana Buddhist Sect