Fairy-focused fantasy really elevated its game when authors moved beyond the twee, Tinkerbell model. Some of the most compelling work now lives in that murky space between folklore and dark fantasy. Take Holly Black's 'The Cruel Prince'—Jude isn't a fairy herself, but her navigation of the brutal, beautiful Faerie court requires a strength that's more strategic and ruthless than any sword arm. She's manipulating princes and surviving assassination attempts in a world where promises are literal shackles. Then there's Naomi Novik's 'Uprooted' and 'Spinning Silver', which aren't strictly about fairies but about confronting the deep, amoral magic of forest spirits and icy Staryk lords. The protagonists, Agnieszka and Miryem, win through stubbornness, cleverness, and a kind of坚韧 that feels very real, not just magical girl-power.
For something that tackles the fae more directly, Sarah J. Maas's 'A Court of Thorns and Roses' series, while often shelved as romantasy, does have Feyre's journey from a human hunter to a key player in the fairy courts. Her strength is deeply physical at first, but evolves into a political and moral resilience. A lesser-known pick is 'The Iron Tyrant' by Cassandra Clare, I think? Wait, no, that's a Shadowhunter book. I'm mixing it up. There's a self-published series on Kindle Unlimited called something like 'The Fair Folk Chronicles' where the fae are genuinely alien and terrifying, and the human protagonist has to outwit them using human law as her weapon. That kind of lateral thinking always feels like a truer form of strength to me.