CustomDepthStencil feature from UE is fine by itself, but you lack the information of the other buffers behind this wall; if you sample the position / normals, you'll get the ones from the wall instead of what that is behind it.

'Hi-Fi RUSH' is a 60fps rhythm action game rendered in a stylish 3D toon art style using a customized Unreal Engine 4. In 'Hi-Fi RUSH', the developers at Tango Gameworks used toon shading for the entire world, both character and environment, while providing modern 3D graphics features, all at 60fps at native resolution. In this GDC 2024 talk, learn about the development of a deferred toon renderer developed for toon shading a 3D world in a 2D way. Various customized UE4 render passes along with added render passes of their own are stylized and combined inside deferred rendered post process volumes.

Senior Technical Artist, specialized in Shaders, VFX, Procedural Content Generation and any cool visual stuff that has been working in the video game industry for several years.

Cool YouTube channel with TechArt-related tutorials.

An artist and beginner friendly approach to building 2D materials using the functions and examples provided in the UI Material Lab collection.

A good starter point for compute shaders in UE. Part 1 of 3 of Compute Shader Destruction System In Unreal Engine 5 with help of Shadeup Plugin

Is it possible to build lighting of a map from command line?