Zhang Geyang hailed from a family that had held high-ranking positions in the Spirit Pagoda for many generations, so his first soul spirit was one that had been painstakingly sourced for him by his family. 

A normal Soul Master could obtain multiple soul spirits as their cultivation rank progressed, and the later soul spirits would definitely become more and more powerful. However, the soul spirit that remained with a Soul Master for the longest time would always be their first soul spirit, and if a soul spirit possessed sufficient evolutionary potential, then it would improve alongside the Soul Master. This was the type of soul spirits that Soul Masters liked the most, and they were referred to as bonded soul spirits.

This soul spirit, which was the Infernal Flame Beast, was the same as Zhang Geyang's martial soul, as well as his bonded...