The Trix Dark Witch

The Trix are receiving new transformation Dark Witch in 6. season

Information
They are wearing long trousers except for Icy she is wearing skirt. I think that they gained their new power from Cloud Tower from some hide source that they have found. After finding of that's source of power they're concentrating on it gaining new transformation and make the school fly.

Also they have found new outfits with a new intimidating make-up and incredible powers, in creating objects, giving other creatures power, changing their form.