New reference
These days I subscribed Midjourney, which I found is a powerful tool for getting concept art reference images. And this is what I got for inspiraing my environment:

Landscape making: World Creator
Start Point:

Sculpting:

Add filters:

Import & resculpt in UE5

Add texture assets from FAB


Add Water & Plants


Lighting & Post Process


Experment on Waterfall Tool 2

Color Grading in Davinci Resolve
Before:

After:

WallPaper Engin!
https://steamcommunity.com/sharedfiles/filedetails/?id=3369458557
