Here some prefab references from unity files
Items,Characters,VFX
https://mega.nz/#!LlhR0RLa!vvtYwkdiVIZNEGAPCD-FLaxV4oU1vqrsAphS0cLn4ic
Projectiles
https://mega.nz/#!vgpFWQgK!podjqxm8yH-A4hk-suRBbe6JQxuDjz9HPHA9StNBt4U
Hope that it may be useful for all.
If that isn't legit, remove it.