What is the deal with this strange caustic texture happening in the lights?

[Leomerya12]

Yeah, gimme a sec to find a previous thread that helped TREMENDOUSLY…

(Edit):

Lumen having a lot of noise in reflections in dark areas

I am experiencing Lumen Reflection Noise with Unreal Engine 5.3. @jblackwell Your explanation of the problem got me thinking and try a few different things. I found these settings that seem to be giving me much better results with Lumen Reflections with materials that have roughness, and significantly less noise. With these settings it looks much more realistic than the “screenspace” reflections, and not as good as pathtracing (obviously), but it’s something in the middle utilizing lumen refl…