Frigg's Hearth

Everfrost Forest is a location introduced in Dragons: Rise of Berk.

Dragons: Rise of Berk
Toothless can search for the Woolly Howl and Groncicle in 5 hours from December 22, 2014 until December 26, 2014, and the Groncicle in 2 hours from December 18, 2015 to December 20, 2015.