Auras I made in sol rng style

https://reddit.com/link/1ok3l92/video/uppwj18gu9yf1/player

https://reddit.com/link/1ok3l92/video/7k9j8oghu9yf1/player

Is this the first time I've started making such auras? I'm new to VFX and just learning. I would appreciate it if you could evaluate these two auras I made. If there's anything missing or wrong or if you have any suggestions, please tell me.