Shang and Astor talked for quite a while. Since Astor now viewed Shang as someone on his level, he had many questions about how Shang managed to hunt so many powerful beasts.
The same thing was true for Shang. He was interested in how Astor was able to be so powerful while having a Water Affinity.
Water Affinities were only good for healing. That was how everyone viewed them.
They had nearly no offensive capabilities.
They had nearly no defensive capabilities.
A Water Affinity was essentially only good for healing.
However, Astor managed to make his Water Affinity work. Even more, there were advantages to Astor's Water Affinity that he couldn't even show in training.
For example, Astor could gather his Water Mana to a part of his body and rapidly heal that part. During class, this power was useless since no one got injured very often.