Exploring 3D Coat to Unreal 5 quick look development pipeline without UVs only vertex painting with tri-planar mapping and real-time displacement. I've explained the process in detail in the youtube video.
Took about 30 minutes to do it.
Process in one picture
Floating island idea. Just swapping mats
Brick-layered 500-600 year old temples were the inspiration. https://www.fotoref.com/products/wat-maha-that