C3800 The Guess of the God of the Seal

The Heavenly Sovereign Weapon was an extension of Empyrean Nihility Immortal's Great Dao.

Every Heavenly Venerate Weapon was engraved with Empyrean Nihility Immortal's complete understanding of the Great Dao.

"Back then, Heavenly Venerate Laolei spent dozens of eras to forge a Heavenly Venerate Weapon before forging the Great Scarlet Lightning Cauldron