S-U :
- I know you don't like those moves... but ... trust me, they work (at high level).
11A is a staple move against Amy (I used it regularly against Belial's Amy and it worked very good if you want an exemple). She can't punish it if used correctly btw. Risk << reward. It is the key word with Setsuka...
As for 214~3B:B, yes the second can be GId and the first is unsafe but who cares? If you see someone GI you the second hit, you stop doing it. Against Amy the move is especially good. But it's ok if you don't believe me. I'll only say one thing : just like you were allowing 66A to hit you without GIing it, you'll encounter a lot LOT more people allowing 214~3B:B to hit them (even people playing against Setsuka regularly... why? Because do 214~3B ... and then what? They won't attack... not if you dealt a good pressure before... believe it or not AND setsuka is rather unknown). And GIing / stepping it is NOT the safer option whatever you might say.
1B:B ... well if you don't use 1B:B ok... your choice.
- 1B:B 1B:B is 55 dmg combo and lead to a good stun. Okay umbrella is garanteed but ... is it the best solution? No. If you screw up they destun and you get punished AND it only add +5/7 damage to the regular combo. But now if you look to :
1B:B 1B:B 1A

A leads to around half bar damage (if you opponent destun).
For those who expects it 1B:B 1B:B B+K 61B 44B+K leads to 141 damage.
If you do like me and do 236~4A+B:G after the stun in order to disturb them before you 1AAA / B+K, you can even use 236~4A+B (without cancel) : they'll focus on 1A

A and B+K and take the UB for free half life damage.
When they took it once (or didn't... it doesn't matter), 236~4A+B~G (late cancel) into 1B:B is nearly garanteed.
You should see it that way : you lose around 15 damage, and you get the opportinity to deal 50+ damage.
Well, give it a try. I thought it was a bad idea at the beggining but now I just love it.
- don't forget about 214B (good move against Taki), you didn't use it that much when you could, it was too bad, it could have helped you more.
- 6AA isn't a bad idea against some character like taki or amy... it has a VERY deceiptive range.
Well apart from that, and some lack of character knowledge (well more versus knowledge) those were enjoyable vids, keep em coming !