looking good - i’d maybe suggest trying to have things fade out a little less uniformly - currently the whole beam fades out at the same time which looks a little static and fake - having a frame or two right at the end with only a few very small pieces would be cool - depends if you can afford the frames in the flipbook though.
there’s quite a big jump from the initial flash to the one that fades too - maybe keep a little bit more of the main body or add another frame during the jumping before it start to fade, if that makes sense. be great to see a frame by frame flipbook as well as the gif when you’re asking for feedback.
looking back at the first two effects - id say the lightning flashes on the first effect are a little too uniform in timing - they seem to spawn in a few waves of bursts - lightning should be as random as possible so maybe break that up a little if you can. i really like the swirl that happens with the lightning bolt, that looks great.
the energy concentration effect is also pretty nice - maybe have a bit more concentration and less burst but it’s sort of in that anime style so i can see where you’re going with it - obviously gameplay would be more of a driving force for this sort of thing. i would say that the initial ring that draws in cuts through the ground and maybe looks a little flat because of that - either back it up with a z-aligned sprite or use a mesh sphere instead? a few more little dots during the charge could be cool too.
i love the motion you have on the little dots in the burst - they work really nicely.
overall really nice stuff - looking forward to seeing some updates