Blizzard particle halo, includes just one particle prefab, and this was made in unity version 2019.4.31f1 in game the transparent mirror makes the halo have a black box around it, if it is undesierable remove the vortex system u can see an example of it in the game video -set it up on a parent constraint,( https://youtu.be/XFjt_sFQEcY ) follow this to set up parent constraint very easy,