So I have been sitting on a DW Poison based Witch Hunter since before AoM came out. I am trying to get back into the character a bit so I tried to think of what I ultimately want to have as the final build. I would like some advice with what I came up with.
https://www.grimtools.com/calc/lNkyJy4V
Note I only put in some of the augments into the gear, not all of them yet.
I would get Lethal Assault higher, and dual blades (for the physical resist and flat pierce that you convert)
Okay, but where would you take points from to put them in? I was wanting to put more into Dual Blades but just did not see where I can take some points to make that happen.
Merciless repertioare, ABB, Nidalas hidden hand & Justifiable ends
Also I would use vitirolic gallstone as wpn components, and get some life steal (0% is not much 
) (Ghoul proc is really good)
Check out this build. I built one very similar and it is by far my favorite toon in this patch.
http://www.grimdawn.com/forums/showthread.php?t=80100
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All right. So from the suggestions this is what I feel like will be a strong end goal for my character that fits how I like to play.
https://www.grimtools.com/calc/O2GDK1qV
Gonna have to work on him now so I can have him ready for FG
IMO you don’t need such a huge investment in Hidden Hand. And the belt it totally wrong. Not using Guardian’s Gaze, too.
On the Hidden hand there is only a 5 point investment so its not that big of an investment. Can you explain though why the belt is, as you put it, totally wrong? I like the extra DA, something that I had been struggling with while leveling this character.
Yes, sorx, I submit my explanation. NHH is fine unmaxed. It only applies to 60% worth of wps. And your main source of dmg is casts rather than autoattack. Sides, you don’t need more than ~70% pierce to acid conversion there depending on the roll on your chest piece. For da max Shadow Dance (to an even number ofc). As for the belt I might have misused the word totally but getting +1 to skills should be priority in this slot.
Another thing, more adcth and cast speed would be nice so Restless Remains really wants you to pick them there on your gloves;)