Resonant Symphony
Type: Emitter
**This highlights both the user's mastery over sound and music as a powerful force, as well as the harmonious and amplified nature of their attacks and defenses. "Resonant" suggests the ability to manipulate and intensify sound waves, while "Symphony" suggests the idea of controlling various elements of sound to create powerful, dynamic effects.**
User can use any type of music or sounds (including their own voice) to attack/defend with by amplifying them as much as wanted. They are able to both hear and 'see' the soundwaves as they move around the environment (air, ground, through objects, etc.). In addition, when the quirk is used a small music stand is summoned that can serve to further increase the strength and reach of their abilities. The stand also offers protection from physical attacks as it acts like a barrier, however, with enough force it can break. Furthermore, the user is able to surround themselves with the music soundwaves, transforming the energy into solid music note constructs, and use them so cover their hands and feet to strengthen physical attacks.
Super moves:
Sound jump: The user is able to teleport to wherever the sound waves reach (be it in the air, ground, around objetcs, etc.)
Shockwave: the user can take those sounds and amplify them as much as desired, and is able to concentrate them to generate powerful waves to blast targets with. The shockwaves can be manipulated to take whatever shape the user wants such as spheres, needles, and spikes, to throw and daze/paralyze opponents between 30 seconds to 30 minutes depending on the amount of energy used.
Disruptor: user can use the energy from the surroundings to give color to the soundwaves they use and visually disorient the target in addition to the sound attacks to make the opponents experience vertigo due to the overstimulation of the ear nerves (ear drums popping is also a common occurrence when using this move).
Musical barrage: the user creates a large number of solid music notes that they send off in waves to attack.
Music body: they can transform the solid music notes into colorful clones of themselves (they have their body shape/size and glow polychromatic). These clones can be used to attack, distract, or defend by taking hits for the user, though they break when this happens.
This quirk allows the user to fight alone or as part of a team. Also due to the versatility of this ability, the user can fight at all range types: close, middle, and long range. Of course, depending on how they choose to fight, they will need to manipulate the power and reach of the sound waves. In addition, they can disrupt and confuse enemies with ease as well as interfere with any communication/sonar devices by messing with the sound waves.
However, due to the quirk's long reach the user must be careful to not harm allies or civilians and to keep in mind their surroundings to minimize structural damage to buildings as a result of the sound waves they generate/manipulate.
Drawbacks: exhaustion, headaches, sore throat when using their voice, and temporary voice loss due to overuse.

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BNHA Quirks/Some Prompts
FanfictionThese are some random quirk ideas that you can use in your writing or to spark your own version! I may include the occasional one shot ideas too. Also if anyone uses the quirks or oneshot ideas to write something, then PLEASE FOR THE LOVE OF ULTRA...