Composition & Exploration: Build your layout with boxes. You’re going to save a lot of time. So do as many as you fall in love with one.
Sketching: After having a winner layout, we will fill the empty boxes with the main idea. After having a winner layout, we will fill the empty boxes with the main idea.
Planning: It is essential to create a path where your eyes can follow across your art.
Line art and blocking in shapes: Clean your lines, fill your shapes and work in separate layers. It would be better to control your artwork.
Local color: Keep your mind in local colors, don’t try to add shadows and lights in this step because you will stress out.
Values: Try to maintain the value. It is pretty easy to break your artwork with the color step.
Shadows: Track your shadows. It’s essential to keep the light direction in your artwork. If you have a random shadow design, the work would “feel” weird.
Light and Details: Last but not least, high lights, when you have “shadow” resolved, add some high lights in your art, do not abuse the light because it could be a little bit distractor if you fill all your art with many shining points.