C880 Exclusive Steel Needle

In terms of knowledge of formations, in the entire Nether Sect, Ja Mingxiong might not be the strongest, but he was definitely the strongest. However, at this moment, his brows were tightly furrowed. He was no longer as relaxed as he was when he first found out that he was trapped in the formation, because he couldn't see through it. This was a type of array that he had never heard of before