Orion and Astrid's master had passed down some valuable items. One of the most precious things was a manual of acupoint techniques that had various extraordinary methods. These techniques were so profound that even a skilled holistic physician like Orion couldn't fully understand them.

However, Astrid was different. He had exceptional talent, even more than Orion, and he might be the only one capable of grasping the methods in the manual.

Rafael started to think. He had noticed that Astrid and