The skeleton of Qingxia Dragon.

This is the sixth realm of the Ancient Sutra.

If we want to reach this level, we need to achieve a purity comparable to the Qingxia keel.

Qingxia keel is the skeleton of a foreign animal named pterosaur in Qianlong world. This kind of skeleton is very pure, so Yang Xuanji uses Qingxia keel to name the sixth realm of the Ancient Sutra.

At this moment, the treasure used to attach leaf dust to the four gods lock is a Qingxia keel.

The Qingxia dragon bone is only about an inch long, and its skeleton is crystal clear, even faintly shining, which makes the cut...