Tales of the Dragon Riders 2 : Dawn of the New Rider

A new threat has emerged from the depths. After Battleworld, Heather has been keeping Hope safe after she watched her die once. She wants to keep her daughter safe, but a war is approaching the shores of Sanctuary's Edge. Hiccup and Heather promised they wouldn't do anything that would risk their lives again. But they need to, otherwise they might lose their family and their home