I haven't seen that much of Samurai 7 so I don't have an opinion until I see or read about Kambei's feats.
Pretty sure Afro is faster so he probably takes it. Those giant gundam Kambei struggled to take down could also be taken down by arrows....just thought I'd put that in there. People act like they were all metal gears or something when they weren't even close. They were more symbolic than actually tough, if that makes any sense.
@UltimateHero0406: At the end. The tinkerer samurai took one or even a few out that way. Several of the smaller ones got taken out by arrows during the village raid too. Not that that matters. Pretty sure the airship thing only happened once and when Kambei was dropped down. So he may have had gravity on his side. Still whether it's truly legit or not, it is an amazing feat. The problem with these characters and especially Kambei is their speed. They never really showed they were that fast. Kambei froze up a lot when encountering just regular guns and I'm pretty sure got clipped. Kyuzo would have been a better choice for this. Great striking power but not good speed and human level durability is the big weakness of Kambei. It's why when I made a battle between him and Gray Fox from metal gear I had to basically cancel it because Gray Fox would've cut him to pieces before the first swing came down. I'm picking Afro because I remember him being a bit faster than Kambei. I also personally believe the upper echelon of Rurouni Kenshin characters like Himura, Shishio, Sojiro, dear god Enishi, and oh boy Hiko Seijuro could solo all 7. Speeds a killer.
@Kobra678: Afro was able to deflect automatice arrow fire, a bullet, and parried the afrodroid laser canon. Kyuzo was casually deflecting laser gun and ship fire from futuristic weapons and machine gun fire at close range, Kambei and him were equal in their confrontation so no, Kambei should still be a notch or two above Afro.