C199 Ice-enclosed!
It was difficult to tell what was special about the aura on Chiang Chengtian's body, but the poison was hidden within it. The poison was a variant of the aura, and it was possible to form it, but there were many unknown possibilities with the aura. From the moment the aura began to mutate, you wouldn't know what direction it was going in.
It could be poison, it could be attribute