On the ground in the eastern side of the treasury, a dragon-shaped mark hundreds of meters long suddenly appeared.
The mark was vivid and lifelike.
It was as though a Divine Dragon had lain crouched beneath the ground and left its form there, with occasional glimmers of spiritual light seeping out.
"Mm... that seems to be a Spirit Vein?"
Before Li Yun could make out what it was, Zhen Jiu had already cried out in surprise.
"A Spirit Vein?"
Li Yun understood instantly.
The Great Kun Immortal Emperor had buried a Spirit Vein in the treasury, specifically using the Spirit Qi produced by this Spirit Vein to nourish the various treasures inside.
Since that was the case, he naturally could not miss it either.
Li Yun had known about things like Spirit Veins back on the Ancient Celestial Continent. Unfortunately, for some unknown reason, he had almost never seen a complete Spirit Vein there. Even if there were any, they were tiny and of little use at all.
There was, however, a complete one in the Canglan Realm, but that thing was buried in the Canglan River, nourishing the entire Canglan Realm.
Even if Li Yun had thoughts of touching that Spirit Vein, Chen Longxiang would never allow him to.
Because if that Spirit Vein was disturbed, the Canglan Realm would more or less be destroyed. A Canglan Realm that had lost its Spirit Vein would very quickly decline.
Things like Spirit Veins could be said to be the source of Spirit Qi for a stretch of heaven and earth, or for a particular region.
He had not expected that after plundering the Great Kun Immortal Emperor's treasury, he would also discover a complete Spirit Vein. How could he possibly miss it?
Without another word, Li Yun immediately made his