They'll never know it was her that caused it. Before either of them could get to it, it might be all out war with Dorne. Doran might do the honours instead. Although Tyene might have slipped Bronn the antidote so it remains to be seen
Lol they are going to the wall. The greyjoys won't happen anymore
Hope Stannis the mannis lives
Cersei's story will be interesting. Cleganebowl speculated
Arya did the most stupid thing, you just don't break the code. She will be fine because I presume she was taken by the faceless men knowing this would happen.