Dual Blades, but what else?

To be honest, I've never seen any bandits that bombed all their ap into str. They usually only get enough str just to equip khanjirs and their reverse str daggers. That's pretty much it, after that they just throw everything else into luck. DualBladers can do that too if they want, but these days thanks to potential, theres less and less need to even have to throw your ap into str at all. Its entirely fine to go with a str dagger if you want, since the base dmg is higher than luck daggers (it generally looks better too of course). Your katara dmg should be based on luck though, not str.

I want to say this part is entirely true. My DB has 100+ total STR now, and even if I change all my Maker'd thief gear to just DEX/LUK instead of STR too, and reset my base STR to 4(12 now), I'd still be overSTR'd for a Pescas. s:
I went STR purely for the looks(Cursayer being my favorite dagger<3), though damagewise it doesn't matter if you have base STR above 4, %luk totally makes up for it.