A lot of those fics get stuck on the surface level, just handing him a new Jutsu list like it's a shopping receipt. The ones that actually work for me dig into why his chakra was so chaotic and massive to begin with. It's not just about finding a scroll with a forbidden technique; it's about the Uzumaki lineage being a pressure cooker of life force and sealing arts that got suppressed after the fall of Uzushiogakure. I read one where the Fourth Hokage's Hiraishin wasn't just a speed technique, but a space-time seal, and Naruto's inheritance was an innate, messed-up version of that—his chakra constantly 'leaking' between dimensions explained the poor control and the shadow clone spam. That felt right.
Other good takes focus on the cost. Unlocking some mythical 'true potential' should come with a price, not just be a free power-up. I've seen stories where accessing more of the Nine-Tails' power permanently alters his appearance, or where mastering Sage Mode distances him from human emotions. The hidden power isn't a prize; it's a consequence of his trauma and heritage finally being understood, often with Jiraiya or a surviving Uzumaki as a guide who actually explains things instead of just tossing him off a cliff. The best parts are when his talk-no-jutsu evolves from naive optimism into a genuine, hard-won understanding of pain, which becomes its own kind of power that the villains simply can't compute.