Script Animation

[median stirrup]

Hey, a scripting question. I have an animation that look like this gif but i wanna add this black dash stuff do you know how? https://tenor.com/view/goku-fight-freeza-dbz-attack-gif-9038397

[winter ermine]

ig u could do it will ui

or make black parts

that are thin

idk

[naive grotto]

This is more a vfx question than a scripting one, you can probably just use particles.