The Last Skull

The Last Skull is a Web Serial Novel with "Teenage Superheroism. Explosions. Time-travel." that follows 16-year-old Sue Daysdale after she finds a hidden message from her dead mother and is flung into a world of superheroism, with Registered Superheroes and Villains who range from 15-year-old Techno Wizard Woot to aging Silver Age villains like the Toy-Master and Boomerang Kid. Better Than It Sounds due to supremely tight writing and Cliff Hanger mastery.

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"Sue: You know what I find hilarious? The fact you're actually less dangerous than some guy with a gun. Sumerset: Don't underestimate him. Everybody always--"
 * Action Girl - Sue, as well as her mother.
 * Badass Grandpa - Sumerset, Sue's mentor and handler.
 * Badass Normal - Boomerang Kid, who is perpetually more dangerous than most people expect or want to admit.


 * Sumerset himself, with the Arsenal suit.
 * Dressed in Layers - Sue has worn some of the Skull suits under her schoolclothes
 * Powered Armor - The Arsenal suit.
 * Legacy Character - The Skull, Blink.
 * Muggle Power - Cape Busters and Scourge.
 * Power Glows - Paladin
 * The Power of Rock - Rockstar is this trope personified. He was crafted to bring about Ragna-Rock (aka 'The Rockening') and caused the destruction of Pompei with one of his "wicked riffs"
 * Pre-Ass-Kicking One-Liner - "Taste electrified science, abominations!"
 * Super Serum - The Skull Formula, how Sue (and, presumably, all the Skulls) got their powers.
 * Super Speed - Blink.
 * Super Team - The Society, Epoch.
 * Wake Up, Go to School, Save the World - Sue