What Unique Powers Appear In Rinnegan Naruto Fanfiction Crossovers?

It's amazing how many writers seem to fixate on the Uzumaki and Uchiha lines, but honestly, some of the coolest stuff gets invented for smaller clans or OC bloodlines entirely. Everyone expects the Mangekyou Sharingan variations or crazy Jinchuriki fusions, which are fun, but predictable. I got more hooked on fics that explore sensory-type powers taken to an extreme, like the idea of 'chakra tasting'—not just detecting it, but knowing a person's emotional state and memories through their energy signature. Or bloodline limits based on material synthesis, where a user can weave their own chakra into silk or metal to create living weapons. The weird biology-focused powers are my jam, like a Kaguya clan offshoot that can manipulate bone density to become nearly weightless or impossibly heavy, altering their own mass. What feels unique is when the power's limitations are just as creative as the ability itself. I read one where a character had a bloodline that let them 'store' sunlight in their skin to release later as searing light, but they were virtually blind at night. That kind of trade-off makes it feel like a real, grueling part of a shinobi's toolkit, not just a free power-up. Those stories often tie the ability to a family's culture and hidden village politics in a way that the canon world-building only hints at.