a woman dressed as a superhero in a city

Title: Echo of Justice---In a bustling metropolis under siege by crime, the masked vigilante Echo patrols the streets. Once a tech prodigy, Echo lost her family to a criminal syndicate, the Iron Fang, who use powerful sonic weapons to control the city. Seeking justice, she developed a suit amplifying her own sound-based abilities, allowing her to manipulate vibrations to shatter objects, deflect bullets, and cloak herself in silence.One night, Echo intercepts a cryptic signal hinting at the Iron Fang’s newest weapon, capable of wiping out entire blocks. Racing through neon-lit rooftops, she locates their secret lab. As she battles her way inside, Echo faces Steel Serpent, the syndicate's leader, equipped with a similar sound-based tech suit. They engage in a high-stakes duel, vibrations colliding in a cacophony of energy.With a final, deafening pulse, Echo disrupts Serpent’s suit, defeating him and dismantling the Iron Fang’s weapon. Exhausted but resolute, she vanishes into the night, leaving a note for the