C838 Homocentric symbol

Ling Yun was currently drawing a kind of Soul Glyphs, called 'Heart Talisman'. It was divided into Yin and Yang, and was a low level Soul Glyphs of the fourth step.

The Soul Glyphs did not have any attack power, nor could it defend itself. The only use it had was to sense the condition of the person holding the talisman, and to a certain extent, the person's exact position.

However