shatter glass, crumble rocks, and knock down buildings. Er, in the world of fiction, anyways. Characters who have supersonic screams or other sound-based superpowers can usually do something like vocal mimicry, scream out sonic booms, and screech so loud it can paralyze people by making their eardrums bleed. It's also interesting to note that in Real Life, this power would be Awesome, but Impractical seeing as a sonic boom would practically level everything in a spherical radius from the hero. Comes with an unusually high level of Required Secondary Powers (most importantly, super-resilience in their own eardrums), and often involves Acceptable Breaks from Reality — a visual that indicates the sound — to depict. Glass-Shattering Sound is a sister trope. Sometimes combined with Razor Wind. Can overlap with Breath Weapon. Compare Loud of War, Musical Assassin and the sonic variants of Brown Note. For a related but less lethal weapon trope, see Sonic Stunner. Sound sources other than voices that have an effect on people or things is covered by Gale-Force Sound.
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