Hi and welcome to Polycount! I would suggest using a tool like ScreenToGif to examine their effect, frame by frame. This makes it really easy to record the screen, and then examine the frames. The original tutorial: Your work: I haven't watched the tutorial, but just examining the tutorial frame-by-frame vs. yours…
I followed a tutorial to recreate Kassadin's slash ability but it doesn't quite look the same. I don't know if it's that I need to make the sparks (which I didn't finish doing well) or is it the lighting inside unity (which doesn't adjust either). I leave here below the tutorial and my video of my vfx in case you can help…