Fortunately, he also knew that there were very few people cultivating on the seventh level, and that Mr. Mu would not really care about him. Ning Cheng did not go out to clean up the practice room immediately, but continued to practice a new spell, the Dust Removal Technique. In the future, after every practice, he should use the dust removal technique to remove the dirt on his body instead of going downstairs to find water to cleanse....