Do I have to start a new campaign to play Ice and Fire?
 

Do I have to start a new campaign in WOTN to play Ice and Fire? Or can I access it from an already saved game?

I don't know the answer, but I think the likelihood is that we'll have to restart :( Hopefully not.

I hope we do have to restart with a new hero. I also hope that we can play just the DLC and that essentially the DLC is a stand alone scenario.
My hero that I completed WotN with has far too much money and items to make an interesting and challenging game. And I have no interesting in replaying any part of the existing WotN campaign, which bored me to tears.

I will now, I cannot win the allies vs eric battle with my mage, so I am going back to playing a warrior.