C1201 Boundary seal upgrade 1

The main reason why he chose the depths of the Dragon Vein was to use the Dragon Vein to conceal the brilliance produced by the promotion of the World Seal. The main purpose of his plan was to make use of the Holy Crystal's power from the dragon vein to increase and stabilize his cultivation.

When Ling Feng first came to the God Realm, he had the experience of a miner