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Kamui had a katana animation, but looked like a tanto (dagger) :
http://www.pso-world.com/images/items/BB-KAMUI-ACTION-1.jpg
If you look at Kamui compared to other katanas like Sange, Yasha,...

Looks good so far, there are a couple of mistakes though that you might want to change:
[spoiler-box]
Name Changes
Reconbox > Recobox
Il Gil > Ill Gill (though to your credit this was actually...