As far as I remember it, Kaiyodo's spell editor wouldn't tell you anything about spell
particles beyond what ID numbers different particle effects had.
If you're specifically interested in the classic, pre-Luclin spell particle effects, information is hard to come by. I believe all the data for these are hardcoded in the client binaries (probably one of the graphics DLLs) rather than being loaded from a separate client data file (as most graphics-related things are).
Over on the Project1999 forums, Telin has done a lot of work reimplementing the particle effects from the pre-Luclin spell particles in the post-Luclin particle effect system, so he'd probably know the most on the subject. Though I don't know if he'd be interested in sharing.
As a side note, particle effect data for classic
weapon models (e.g., epics)
is exposed in client data files, and is relatively simple and moderately understood. There's a decent chance that the particle data for classic spells used the same format or something similar, since it would have fed into the same particle effect system. (In the post-Luclin system, data for spell and weapon particles definitely use the same format.) I had a barebones
tool for editing this classic weapon particle data (some videos of results can be seen in
this thread).
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