Rare mob tendrils death animation tanks FPS (in maps)

I have stable 60 FPS (vsync on) but every time I kill a rare mob in maps and that 'corrupted tendrils' animation plays out, my frame rate goes down to 30 FPS.

Ryzen 7900
RTX 4070 Super
Vulkan renderer (DX is causing periodical game freezes)
Samsung 990 EVO Nvme

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And besides the technical issue, simply removing this animation would improve the game;

1.) This visual bloat is unnecessary and only reduces game(play) clarity
2.) We all have PTSD from rare mobs on-death effects