No AI was used in the creation process of this asset.
Two materials for create this ghost or ectoplasm effect where you can see through the body of the character.
The first material is more stylized and optimized.
The second one is more accurate with physics and more heavy to render, take this into account.
You'll need to meshes to have this effect, one acting as a shell or skin and the other acting as bones.
The meshes are included they are part of the blender library under Creative Commons CC0 (Public Domain) license.
Nanite support is enabled
https://dev.epicgames.com/documentation/unreal-engine/nanite-virtualized-geometry-in-unreal-engine