""When history witnesses a great change, Razgriz reveals itself... first, as a dark demon. As a demon, it uses its power to rain death upon the land, and then it dies. However, after a period of slumber, Razgriz returns, this time, as a great hero."
― Albert Genette[1]

The Razgriz is a mythical, supernatural creature that supposedly resides in the icy Razgriz Straits in the Strangereal universe. It is capable of assuming human form and has the ability to manipulate the weather, as well as the lives of mortals.
The only known literary source of the Razgriz legend is the in-universe fairy tale A Blue Dove for the Princess, in which the demon is blamed for the fatal illness that befalls the titular princess.
According to the text, the Razgriz is a paradoxical duality between dark and light, "demon" and "hero", leading to several interpretations of its conflicting symbolism.

A Blue Dove for the Princess states that a period of wars plagued a certain land long ago. During these wars, a demon named Razgriz conjured a tempest that lasted for 70 days. The tempest, accompanied by a destructive hailstorm, killed every living being in the war-torn land, including the demon itself. Years after the tempest subsided, a traveler visited the area and healed it, helping others to resettle and cultivate the land. The traveler then departed, but not before claiming that he was Razgriz.[2]
"'The demon returns as a great hero...' Huh, maybe it's not a fairy tale after all."
― Marcus Snow[3]
It is unknown if the Razgriz legend existed prior to A Blue Dove for the Princess. Following the book's release, the legend spread and became well-known throughout Strangereal.

During the Usean coup d'état in 1998, one rebel fighter commented that Phoenix's flying abilities were reminiscent of the "demon of the north".[4]
The Razgriz legend became prominent during the Circum-Pacific War in 2010. Kei Nagase of Wardog Squadron believed that the Yuktobanian submersible carrier Scinfaxi was the Razgriz, commenting that the submarine seemed as if it "came straight out of the demon legends".[5] By mid-November, Yuktobania's second Scinfaxi-class submarine, the Hrimfaxi, was stationed in the northern Razgriz Straits, and the Yuktobanian Navy asserted that the Hrimfaxi was the Razgriz due to its station and sheer power. As the Hrimfaxi was sunk by the Wardog pilots, its crewmen believed the Osean pilots to be the "true" Razgriz.[6]
Following the sinking of the Hrimfaxi, the Yuktobanians began referring to Wardog as the "Demons of Razgriz", who rained death from above upon them and their country. Alvin H. Davenport once jokingly referenced this when responding to AWACS Thunderhead, using the fake callsign "Razgriz 3".[7]

After the pilots of Wardog faked their deaths, they resurfaced as the Razgriz Squadron in accordance with the demon's legend. Their allies and enemies referred to them as the "Aces of Razgriz" and "Ghosts of Razgriz", respectively. Their actions during the last month of the Circum-Pacific War were marked by astonishing heroism, which mirrored the Razgriz's return as a great hero.[1]"