Princess Eira of Torvald is pleased to have found her place in the archipelago. She is doing good work on Berserker Island, her sister is doing well on Berk, dragons are safe from dragon hunters, and she is about to marry the man she loves. However, the appearance of Drago and the dragon trappers threatens to destroy the balance. Eira and her allies disagree on the proper response, and they all find that differentiating between friend and foe is not as easy as it seems. Snotlout X OC; Dagur X OC Sequel to Strength of the Princess and rewrite of HTTYD 2 and HTTYD: the Hidden World.

The vikings of Torvald have always been friendly with dragons, and when they learn Berk has also accepted dragons, they send Princess Eira and her Windwalker to live among and exchange knowledge with the Berkians. Hiccup and the dragon riders accept her into their group. Upon her insistence that she can get along with any viking as well dragon, she is given Snotlout as a partner in their adventures. Set during Race to the Edge. Snotlout x OC x Dagur