CustomRenderDepth and terrain deform

Driver25_Unreal_Editor_2020_09_20_15_50_14_3

Hello VFX artists!
I’m looking for a good solution for terrain deformation. I’ve tried following Tommy Tran’s method using depth testing and with a post processing volume here

Overall, its pretty nice way to get cascade particles deforming the terrain. However I dont think Niagara currently supports custom depth. Are there any other creative methods to get Niagara particles to draw to a render target? I’m in favor of Niagara because its much easier to control the mud kick up velocity based on the vehicle pawn.

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