Zhang Yang landed back on the ground, his expression extremely serious.

The ceilings of the four great halls were all inaccessible, which wasn't surprising. After all, considering the mysteries held by the four grandmasters of the Creation Spirit Hall, it was normal for some secrets to be off-limits.

However, the sounds coming from the ceiling were rather peculiar. Where exactly were these sounds coming from? Especially from the ghost hall, why were there cries of battle?

With these questions in mind, Zhang Yang walked out of the ghost hall.