Now let's see how I enchanced my art :3
1. Start with a linart.
2. Do rough values
3. Clean and complete values. Now you see what it will look like when it is done.
4. Have it colored
5. Check and fix the values of colors
6. Paint and clean the details.
7. Time to have your picture completed. It means to empower your picture with effects such as glowing light from bright area or rich colors on the hat.
I hope this tutorial can help you or at least to guide you. Thank you