C1606 Incomparably Bloody
The holy land of Human Clan.
Faang Chen and Monarch Zi Xu studied the Nine Returning One Formation together.
This formation was very powerful, it had exceeded the power of an ordinary Rank Nine Formation. Even if it was a powerful formation master like Monarch Zi Xu, it wouldn't be a problem for him to comprehend it in a short period of time.
Fortunately