They often have this weird mix of being ridiculously powerful but also bizarrely brittle. It's not just about raw strength. A lot of times, the dragons or their minions control the laws of reality itself around them—gravity, time, space. So your hero can't even get close under normal circumstances. The challenge shifts from a brawl to a puzzle: how do you operate in a domain where the rules are literally against you?
And then there's the moral weight. In series like 'One Piece', the Celestial Dragons aren't just monsters; they're a rotten institution. Defeating one might mean declaring war on the entire world order, with all the collateral damage that implies. It's less 'can I win this fight?' and more 'am I ready to burn everything down?' That internal conflict, the cost of victory, often overshadows the physical battle.
Sometimes the biggest hurdle is even finding a weakness. Their power feels absolute, ordained by the heavens. The hero has to discover or create a crack in that divine armor, which usually involves forgotten lore, a sacrificial play, or exploiting the dragon's own arrogance.