It all depends on how complex the illustration is! Everything is possible, from 1 hour to 60+ hours. It is common for me to plan in detail – character design and comp thumbnails, color and value studies, fully drawn expressions and poses, and prop designs and 3D models.
Disclaimer.
All the information on this website is published in good faith and for general information purpose only. Watson Media does not make any warranties about the completeness, reliability, and accuracy of this information.