ok so i know stand ideas are a dime a dozen, but i was thinking of one based on one of my favorite band's songs:
~Repeaterbeater~
The punch rush is a classic jojo thing, moving so fast it looks like your arms/fists have tripled in number and all the blows are landing simultaneously. but what if that was Actually What Was Happening? The basic concept for this stand is using the concept of "Repeating" to achieve exactly that.
Power: E
Speed: E
Range: C
Persistence: B
Precision: A
Growth Potential: D
This is a close range stand that could fit a JoJo or Jobro role of having immense versatility but potential to be severely handicapped in matchups against stands that are more driven by strict rules or extremely pure concepts vs creativity and improvisation.
Any physical action that the user performs can be copied and stored. A physical action is defined as a movement performed within one second or less. Once stored the action can be "repeated", which manifests as the relevant part of the stand performing said action twice simultaneously within its range, in any direction or angle, even mirrored. The stand does not perform the action with any more force or speed than the user did. Any stored action can be repeated as many times as wished, and can be repeated consecutively without any cooldown.
The first copy (which counts as "two") can be copied as well. the resulting four can then be copied, and the stored 8 can be copied, and so on.
Performing one action of copying takes about one second, and actions cannot be repeated while copying. For example, 10 seconds of continuous copying would result in 1,024 instances of the action being stored, as they are doubled each second. However if the stand is attacked while manifesting these actions, increased action density will exponentially increase the amount of damage transferred to the user.
As the stand only manifests while "repeating", the amount of damage it takes per repeated action in play is comparable to an automatic stand such as Sheer Heart Attack or Black Sabbath. if multiplied significantly that resilience will obviously be useless, eventually doing more damage to the user than attacking them directly would have due the vast amount of repeated transferring damage.
The stored actions can only be held for one minute, or until the user copies a different action. Finally, actions that occurred as recently as 1 hour ago are the only ones that can be copied.
This ability requires its user to focus on intricate planning and unwavering bravery, as it relies on preparation and can easily be a double edged sword, yet its most straightforward use is clear: a barrage of thousands of punches, each wave landing simultaneously upon its target.
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And of course, here's the song.