Quest for the Shadow Fury

(HTTYD x Rescue Riders One Shot)

A missing scale that belongs to an unknown dragon gets into the hands of the Rescue Riders. The team of dragons and twin humans shortly discover, through Duggard, that the scale is from an island called Berk. Now, teamed up with the Dragon Riders of Berk, the group of many dragons and riders set out to the Isle of Night, where the legendary Shadow Fury lives.

However, in the midst of their exploration, Magnus teams up with Erik the Wretched and Svetlana the Sly to steal that dragon before the Riders get to it.