https://gamesartist.co.uk/blue-green-rock/
Environment Artist Wu Jie, shares his insights on sculpting these Blue & Green stylized Rocks. The inspiration comes from Studio Ghibli & "Genshin Impact." The article includes details about the high-poly sculpting process, creating textures and the use of lighting effects in Marmoset Toolbag 4 and Unreal Engine.
https://www.artstation.com/wujie
https://www.artstation.com/artwork/nErv31