Have an idea that you can see in your minds eye with a growing need to make it a reality?
Concept art can be something as simple as a standard mannequin-like design to complex ships and environments. C
Have a D&D character that you have always wanted to put to paper? A fantasy character that you have always wanted to see realized?
Nothing brings your video game, board game, or anything in-between, more than seeing it realized in an illustration.