Dual Blade Class and their Weapons

Heya all,

i just gathered some informations about the new Class Dual Blade. I also saw some Vids on Youtube.
It looks like they are using also Daggers as second weapon and the Blade as first one.

So is it possible to use the Daggers from Shadowers?
And do they have to scroll 2 weapons? 1 Dagger and 1 Blade? Or just 2 Blades and 1 blade just looks like dagger?


Thanks for your help.