C1670 It's on the Verge of Breaking out

It's on the verge of breaking out.

"Rumble!"

The dragon palace trembled without end.

Before Chu Yan left, he had specially built the Saint Emperor level Immortal Pattern formation here. Later on, the Ouyang Ancient Family was reinforced by Immortal Pattern Master. Even an ordinary Saint Emperor level 9 would find it extremely difficult to break through.

But at this moment