I suspect that your biggest impediment for your project will be finding suitable assets. I'm moderately familiar with CC3+ and you asked about it, so...
If you have questions about what's available in CC3+, try asking at the ProFantasy forum at https://forum.profantasy.com for what's usually a pretty...
Saving for CS4!, Corel Painter X, Fractal Terrains, Wilbur, Anything and Everything Else!
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Dollhouse Syndrome = The temptation to turn a map into a picture, obscuring the goal of the image with the appeal of cute, or simply available, parts. Maps have clarity through simplification.