times. In season 3, Jon came across some horses belonging to the Night's Watch, severed up and positioned in a similar manner. Jon also saw the same pattern inscribed onto the walls of caves in Dragonstone.

Spiral drawn from corpses has been shown several times in Game of Thrones.

SOURCE: Screen Rant

Spirals first appeared in the show’s opening moments when a group of Night Watchmen comes across a circular pile of carcasses that the White Walkers had left behind. In the later episodes, it is shown that the sigil originally represented the Children of the Forest, the ancient race who guided Bran in Game of Thrones season 6.

In an episode entitled, "The Door," Bran sees a vision of the Children of the Forest stabbing a man (presumably played by thesame actor who portrays the Night King, (Vladimir Furdik) with a Dragonglass dagger and seemingly giving birth to the first White Walker. The White Walkers themselves then adopted the artistic as one of their symbols, using it as a way to display the corpse of their victims - including Ned Umber’s.

So, what's the significance of the signs?

We know that they were initially used by the Children of the Forest and that they were then followed by the White Walkers. There's sure a hostility between these two groups, so there's a strong probability that the Night King and his devotees are using the emblem to desecrate their creators’ deity.

Watch the first time spiral was shown in Game of Thrones

However, there are also some other assumptions. Some fans have postulated