C570 Probing the Truth
It was very likely that they came from somewhere else.
It was very likely that they were the ones who were trying to break through the spatial barrier between the Devil Realm and the Spirit Realm. They were trying to get to the Spirit Realm.
After finding out about this, Di Wuya heaved a sigh of relief. The reason he came to the Devil World this time was to find out about this matter
