Hmmm, distancing yeah. It might be easiest to step back and wait till the dust settles. She will run out of steam. They tend to do that when there's nothing to push against.

(I won't even SAY what my thoughts were like when I went through that similar experience! But now I feel pretty indifferent. Can't let an azz have that kind of power over me. I WON after all, and so will you, by getting the toxic out of your life. )