I wrapped up my homebrew campaign about a month ago and the big bad was She'baz, mother of all aberrations. I shared her story and stats in a PDF on my blog (also attached) and I'm wondering what you all think of this monster.
https://worldbuilderblog.me/shebaz-queen-of-aberrations/
https://worldbuilderblog.me/shebaz-queen-of-aberrations/