In misty rain, does Jack Nifei use martial arts to do internal work or mud weather work?

The internal work of Jack Mud Wind School in misty rain Jianghu should not be directly compared with muddy weather. It is good for the protagonist to use martial arts, but it is advanced if he is a partner. After joining Shaolin, the sect bought a whiteboard pen of 20 yuan. You have only learned level 6 by directly using the martial arts stick in the routine, and you need 20 copies of the skill of brushing muddy weather. You can learn the skill of muddy weather directly by internal skill.