These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Let's not forget that he escapes from the clan with a gun barely ten minutes earlier, having been beaten half to death, with no sword, without being seen, and without being able to use his legs.
Crowning Music of Awesome: Sanjūrō's theme. It's about fifteen seconds long, but it suits him perfectly and it kicks ass.
Magnificent Bastard: Sanjūrō, minus the bastard part, and also Unosuke, the way he sees through Sanjūrō. But Sanjūrō escapes.