Man, Filoni did a great job with Vanth.
Heck, he did a great job overall this episode - and really showed how much story progression we could have been getting, even in the shorter episodes of this series. The difference between Filoni and Favreau's writing is just... well, Favreau doesn't compare to the master of Star Wars television, in my opinion.
This episode really played up Vanth being Star Wars' equivalent to Justified's Raylan Givens. If that's carried through to next week, I can see Vanth coming back with a vengeance and seeking out Cad Bane for a rematch - which might have a different result next time round.
Its also interesting to note that the gunfight at the start of the episode also contrasts with that at the end of the episode. In the first gun battle Vanth guns down three out of four Pykes with ease, and quite ruthlessly to boot. In the three way stand off between the deputy, Bane and himself you can see his visibly rattled by trying to gauge what the kid is going to do next. I feel Bane manages to gun him down because he's distracted, whereas if he hadn't been the result might have been a bit different. It's actually a really great detail and adds further depth to Vanth's character.
Vanth's segment really played into a lot of Western tropes. Chief among them the deputy being killed while the Marshal is wounded, which leads to the Marshal having to seek retribution for the death of the younger man. We'll have to wait and see until next week how much of the latter part of that pays off, but I really think this episode sets up Vanth as having a larger role to come in the Star Wars TV universe. (My fingers are firmly crossed for him to become - at the very least - a main cast character in an upcoming Star Wars show.)