Auto-translated
Here are three images – the first shows me entering the effect settings, where there are 2 options: crystal models and the light around the crystals.
Next, I indicated where in these files you can adjust the offset along the axes.
If you want to attach it to a bone, see how I explained it
here.
There, I provided a link to a video explaining how to find the bone name, but I didn't explain how to find the skeleton. If you have problems with that, let me know