That is because mastery of the Great Dao is immensely significant in this realm of Heaven and Earth.
Especially the Time Great Dao.
The deeper his grasp over the Time Great Dao, the more he could escape the bonds of the Time River.
And with each bit of bondage he shed, allowing his body to be baptized by the mysterious substance, his strength would ascend to a higher level.
This was his swiftest method of enhancing his strength at present.
As for advancing to the True Spirit Realm, it currently required a substantial amount of Cultivation Resources to reach a saturated level.
Now, he had already attained such a profound realm.
In this realm, the Cultivation Resources needed to achieve perfection were sure to be an astonishingly large amount.
The vast Cultivation Resources he hoped for, at present, there were only two possible sources.
One was the auction held by the Treasure Pavilion.
The value of that batch of materials was extraordinary.