C160 Rule
From the very beginning, Liu Chuan had never used the Painting Brush. Instead, he directly used the martial spirit to control the inner crystal, so it would take him some time to familiarize himself with the way the Painting Brush was used.
However, in Jiang Yuan's eyes, or perhaps in the eyes of an orthodox Charm Magician, using the Painting Brush was a process that he had to learn
