Got my ice crystal effect done today !
it was much quicker to finish than i expected at first. 
I deviated from the reference and used a crystal shard instead of a character as i think it fits the theme a lot better, talking about that the projectile spawn is kind of special, it’s really easy too but i think it is worth talking about, to achieve that spawning style just multiply a Noise texture (or 2 for more variation) with the Vertex Normal as you normally would and be sure to use a mesh without a smooth shading, that’s it !
Also the crystal colors popping at the impact is just a mesh with every faces kinda set randomly with a scrolling texture, this is the techniques Shannon Berke shared a while ago (Shannon McSheehan - LoL FX + Knowledge Share)
And of course, the crystal shader (which is only missing the depth fade nodes and the cartoon outlines)
