C819 The Kindhearted Ann Xiaodie

Once a high-quality skill evolved, it would drop its original level. For example, the A-class Heart Eye was currently purple in quality. Once it evolved to cyan, it would be converted to the level according to the amount of skill points consumed. The A-class was equivalent to LV7, and after conversion, it would be LV4, which was equivalent to D class. However, even if it was upgraded to S class