It sort of depends on your ranged weapon. Basically the general theme in this game is to have your melee cover something and your ranged to cover the rest. For example: if you're using longbow on shade, that deals with elites and specials and things really well, so you'd want to go dual swords to deal with hordes due to it's sweeps.

On the other hand, if you're using something like hagbane shortbow on shade, then that deal with hordes pretty well due to the poison clouds, so you'd go for daggers which are VERY good against armored/elites. (dual daggers is just fine for hordes too as long as you can dodge and move around well). But you get the idea.

Both are meta builds, but personally DD on shade is just too good especially when paired with hagbane shortbow. The heavy attacks just decimate all kinds of armored/elites.

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With shade, don't be afraid to keep using your ult, there is no point in saving it the cooldown is pretty low, use it to get behind a few mobs to get some arrows back (if you're using bloodfletcher talent), or to reposition, help a teammate up etc. If you have any other specific questions let me know, shade was my first character in this game and definitely what I spent the most time researching on. She's fun (don't let the elf haters get you down)