While I was working on this design I had a strange sense of familiarity. This was after I had come back to it of course. Then I realized her design and color scheme were similar to Raiden, a Mortal Kombat character XD Even down to the hat she was wearing. I've not played MK since I was a little kid so it's funny how the design influence of one particular character has found its way into my design. That being said, nothing is ever really original.
Anyways, I changed up the hat again to bring back more witch/mystical vibes and reduce the Raiden vibes. I also worked out the coat/cloak she's wearing and reduced the prominence of the shoulders. I 
Also, note that I've changed the source of the orbs. I'll still have something under her waistcloth but I thought it would be cooler to have the liquid inside of her necklace (she makes from her potions) and use that in combination with her magic. The amulet serves to amplify her magic' longevity. Since all of her spells are water-based, Audrey's abilities get an even greater boost when around large bodies of it.