User blog comment:Hulk10/Character Death/@comment-27609869-20160222023410/@comment-27609869-20160222144443

They are not going to kill off Heather. She is rumoured to be making a small appearance in the graphic novel "The Serpent's Heir" which takes place after HTTYD 2.

It's most likely going to be Dagur (and perhaps Ryker/Viggo as well) so Heather can become the new chief of the Beserker tribe.