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This animation was created using Blender (A free software which includes a massive amount of features, including animation), imported into roblox utilizing a Roblox Blender plugin and slightly edited utilizing Moon Animator 2.
Little Disclaimer:
I'm no professional, so the quality of the video is quite poor and so is my skill at doing the animations themselves & editing them.
If you're having troubles finding a rig or making one of your own, check this guy:
https://www.youtube.com/watch?v=HDL__EYvP0U
(He also teaches you the basics of animation)
This move is based on an attack used by Speed O' Sound Sonic in the OPM (One Punch Man) series.