Isle Of Night

Hiccup and his daughter Heather are taken by a Night Fury to the Isle Of Night. Once there they befriend and train two Night Furies, one hatchling and one grown up. Twenty years later Hiccup and Heather return to Berk on their Night Furies Toothless and Raven. Set during the time where Valka was carried off but it's Hiccup and Heather who are carried off instead.