Nicely done! It reminds me of a scene I made in AC: Rev years ago. Tbh, I think your method here is likely cheaper than what I ended up using back then. I had the floor littered with quarter pipe shaped particles. So the overdraw was better if you look down directly, but it was super super bad when you’d look horizontally from close-ish to the ground. Fortunately the camera control didn’t let it go to places where it’d get real bad 
Have you tried to do ground fires that way? This is something i usually do for funsies whenever I find a cool technique to do anything I try to do fire with it… Just cause… I like to burn things… a little. maybe…
For reference, that shipped on ps3:
