Originally Posted by Rambo
Did I miss that? Can you tell where to find that in the book? All I remember is Nymeria finding her and dragging her out of the river. I don't remember any mention of her after that.
I don't believe it's stated explicitly, but the disappearance of Beric (and Thoros?) leads me to believe that is the case. Beric was tired of "living" after being killed so many times, and so he gave his magical fire-life to Catelyn.