Here I am going to try out substrate material system in unreal engine 5.5. Here I will implement something like a palantir, a crystal like looking stone material. Here, we will see how to get the effect of outer layer and inner details inside the globe without really having any internal faces.
https://dev.epicgames.com/community/learning/tutorials/63o2/unreal-engine-5-5-substrate-materials-tutorial-palantir