I always get pulled into antihero stories more than the shiny paragon types. The difference is in the cracks, you know? A classic hero's arc is about becoming a better version of themselves, refining their innate goodness. But an antihero is often trying to patch together a self that's already broken, or maybe they never had one to begin with. They're not climbing a mountain; they're navigating a swamp, and the destination isn't always clear, even to them.
Take someone like Cazaril from 'The Curse of Chalion'. He's not a villain, but he's so deeply scarred and pragmatic, his 'heroism' is a weary, reluctant choice born from exhaustion with the world's cruelty. Compare that to a classic Arthurian knight questing for the Grail. The knight's journey externalizes the ideal; the antihero's journey internalizes the mess. The reader isn't waiting for them to 'win' in a conventional sense. We're waiting to see if they can find a shred of peace, or meaning, or a person they don't want to betray, without shattering completely. That tension feels more real, more human to me.
It's that internal moral calculus that fascinates me. A hero asks 'What is the right thing to do?' An antihero often asks 'Can I live with doing this wrong thing, and why?' The journey becomes a ledger of compromises, and the cost is etched right into their soul by the end.