Where would I find the extra projectile/dust for the Star Wrath

[SapphireSuicune]

I want to change the Star Wrath but I don't want all the dust and extra particles everywhere. Which files contain these images?

 

[[ΣRR0R]]

I think they should be in this texture:

As you can see, this is all of the dust partials in the game, so you have to find the specific ones you want to change