devtrackers.gg
Googling and describing LoL champs from someone who doesn't play LoL. (I'll start with 10 and see how it goes.) (Also wasn't sure if I should do this for champs already in LoR, so I skipped them for now.)
Aatrox: Living sword piloting a bunch corpses mashed together.
Ahri: Fox succubus, but it's okay, she actually doesn't like stealing souls, so maybe if you're lucky...
Akali: "You're not my dad Shen, I can do what I want!"
Alistar: Literally just a minotaur, but purple.
Amumu: 'Forever Alone,' but a mummy.
Annie: Modern day school girl? But, like, with fire and a bear.
Bard: Studio Ghibli's best musician.
Brand: Fire guy with too many belts.
Blitzcrank: A round robo boi just doing his best.
Caitlyn: The least practically dressed sheriff I have ever seen.