Forgot to mention. I use the Gracia Final client. That's exactly what I would like to do, not create, but be able to manipulate the existing ones and change to some that I found inside lineageeffects.u. Like the glow of raid bosses.
You mentioned recompiling the files, but I don't even know where to start. Any direction?
I use Gracia Final client. I use L2Pride Packs. Is this possible on this client?