C525 Miao witch

The other party was actually an expert that uses Gu?

What was a Gu?

It was the cultivation methods of Xiangxi, Yungui, and other places. There were poisonous insects everywhere, causing their cultivation methods to be similar to those of insects.

And the masters who use Gu, sealed those poisonous bugs in their own body and fed them with their blood essence. Generally