in other words, it is a cabal, and very fond of poison i presume?

No, she's actually a medic; she practices veterinary medicine as well, it's mainly what she does for a living after the Reaper War. Though there's no doubt there are substances she knows would make good poison.

She does not have biotic powers, her mate Tyrus the krogan does. After the war she suffered PTSD, depression, and anxiety, so she prefers to avoid violence as much as she can. She retired from the turian military after she was declared unfit for it from the decline of her mental health after the war.

I see.