A grand vow?
Yue Wen thought the voice sounded much like Venerable Chongwu's, only fuller and younger, carrying an exuberant edge.
It was probably the intent he had left when he attained his Dao, contained within this wisp of Dao Marrow.
Yue Wen had heard a little about these so-called grand vows. Before advancing to Dao Lord, a Dao Realm powerhouse first had to make a grand vow to the Great Dao they intended to command. Only if that Great Dao of heaven and earth acknowledged the vow would it entrust its authority to them.
There were many considerations when making a grand vow.
First, it had to be sincere. If that was not what you truly thought, and you merely made an idle promise, you certainly could not deceive heaven and earth.
Second, the grand vow had to accord with the wishes of the Great Dao itself. If you vowed to spend your days eating, drinking, whoring, gambling, and bullying men and women after becoming a Dao Lord, heaven and earth certainly would not acknowledge that wish-however sincere you were.
Of course, some unorthodox Great Daos might involve vows with evil intentions, yet those vows still benefited heaven and earth.
For instance, legend spoke of a powerful demonic cultivator from ancient times whose grand vow was to kill half the living beings in the world and return their spiritual qi to heaven and earth.
To living beings, that was naturally evil, but to heaven and earth, it was not necessarily a bad thing.
Later, a group of cultivators performed countless deductions using the Spring and Autumn Great Dao before finally finding a path to defeating him.
Lastly, there was the content of the grand vow itself. If the promise was too small, it certainly would not earn the Great