For Brevoy's heraldry:
I was inspired by the emblems of cities and regions of Russia, when creating them.
New Stetven: Initially, an allusion to the emblem of Moscow was planned, with the difference that the dragon should have tormented the knight. But only the dragon remained from the original idea.
Port Ice: As a reference to the city of Arkhangelsk.
Restov: Rostov-on-Don, respectively.
Skywatch: There should have been an allusion to Vorkuta, but only the black rock remained.
Stoneclimb: Syktyvkar. Perfect
Winterbreak: Almost the emblem of the island of Novaya Zemlya.
Coat of arms of the house Nanuk: Inspiration came from the coat of arms of the Republic of Mari El