- Sonic Amplification
- Sound Augmentation
User can increase the strength, duration, and potential of sound to it's fullest, the effects may change depending on the original effects of the sound that has now been amplified.
- User cannot create sound with this power, only amplify already existing one.
- If there is no sound, the power has no effect.
- May be limited to certain sounds.
- Bards (AD&D)
- Aang (Avatar: The Last Airbender)
- Shriek (Batman Beyond)
- Cell (Dragon Ball Z)
- Cobra (Fairy Tail)
- Julia Munberk (Freezing)
- Kyoka Jiro (My Hero Academia)
- Black Canary (Arrowverse); via Canary Cry
- Users of Sonorus Charm (Harry Potter)
- Koichi Hirose (JoJo's Bizarre Adventure Part IV Diamond are Unbreakable) via Echoes: Act 1 /2
- Dosu (Naruto)
- Musa (Winx Club)
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