I have picked up a few combos from a few guides and I gotta say this one is the most effective {for hydraulics} Flash Freeze, Random Move, Mind Freeze, Random Move, Flash Freeze etc, etc
OK so maybe I have not found a combo for Psychological- but I don't think there is one... well you could Try psychopath form,Insecurity,dark echoes and corruption. I don't know anymore. Anyway, Thirdly Biological. I made up this one. Predator Form, Wound, Sharp Senses, Agile Exposure, And Then DESTROY to finish them off... That is if they are still alive... oops
OK killing the Baron on Psychological...
1.Put 2 Traumatizes on your action bar and use It once.
2.After Two turns use the other one. Eventually he will drain his own focus with his abilities.Then he will use Deep Burning which make him gain focus but lose health. Repeat this over and over again. Repeat step 1 over and over again. Use Electrical Storm to regain focus. keep this on the comments page for others : D