The fire from a typhoomerang is very narrow , so how is it possible for not only the riders but their dragons as well to be able to fly right down the center of it without being burnt to a crisp .
Dagur asks heather where her family values were when she was trying to kill him and heather replies that she didn't know dagur was her brother at the time , but dagur makes mention of having a sister , presumable heather , in the night and the fury in defenders of berk .