So I tried what you said through Fractal noises, I have 3 layers there, 1st is more Rocky so it looks like smoke, the 2nd one is more like a glowing slightly moving, the 3rd one is the ones trying to replicate the wisps, all of the fractlas are being offset to move up.
I paid close attention to the original FX and it looks like they are particles because they fade in and fade out scaling to 0, but I have NO IDEA on how to do that, any directions?
If you have Particular you have full control over that kind of thing, but with just fractal noise you can try animating the contrast of the noise, this will give the effect of the "particles" scaling as each of the noise blobs gets smaller as it is crushed by the contrast.
The fractal whisps can be hard and that why programs like Particular and Form have come along. Combining what you had with Sabre might get you close - let Saber do the whispy stuff (you can turn off the core).
Don't forget to use multiple layers (sometimes it takes 5 or 6 copies) and screen them over top of each other. If they are all slightly different and moving at different rates you get them adding up at different times as they pass through each other which gives a great ethereal "sparkle".