Yi Yu can feel that the last nine array pictures are the key to the star refining hall. However, he has tried dozens of methods and even used the power of ancient spiritual beads, which can not be refined. His mind penetrates into the hall, which is more like a stone sinking into the sea.

However, Yi Yu is not surprised. The star refining hall is an ancient artifact. It's not surprising that the level of the hall has fallen due to the great calamity. It's not surprising that the array chart is incomplete. What's more, in the real universe, all the star tracks are not immutable. Even the heaven...