https://www.domestika.org/en/courses/3940-concept-art-character-design-worldbuilding

Begin the course by getting to know illustrator and character artist Even Amundsen. Discover the creative journey that led him to a full-time career as an artist, along with the influences that inspire him and the work he creates.  Take a look at characters and how to build them through detailed planning. Then define the constraints of the world your character lives in to develop their identity. Build a setting for them to stand on and use it to define your protagonist and their story.  Time to bring your character to life! Start by learning how to overcome creative blocks before making a start on the proportions and general construction of your figure. Then develop a line drawing and experiment with lighting to elevate your design. Choose a color palette that reflects the context your character lives inside.