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...
Here's a commissioned map done last summer for a private rpg campaign. Was kinda fun to do and the GM wanted to place labels/places himself (which I...