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|In story information|
|Element of stories featuring||Hawkman, Hawkgirl, Hawkwoman|
A heavy isotope of iron, Fe676  It is native to Thanagar, the home planet of Katar Hol and Shayera Thal, the Silver Age Hawkman and Hawkwoman. Among the unusual properties of Nth metal is the ability to negate gravity, allowing a person wearing an object made of Nth metal, such as a belt, to fly. In addition, Nth metal also protects the wearer from the elements and speeds the healing of wounds, increases their strength, and protects them from extremes in temperature. It has many other properties that have yet to be revealed in full. It has been implied that the apparently "magical" abilities of the Thanagarian supervillain, Onimar Synn, all stem from his unique mastery of the properties of Nth metal. These powers are augmented to a god-like level during the war when he builds himself an artificial body made of the substance.
In ancient Egypt a Thanagarian spaceship made of Nth metal crash-landed, only to be discovered by Prince Khufu and his betrothed, Chay-ara. Constant exposure to Nth metal forced Khufu and Chay-ara into a cycle of reincarnation. In the 20th century, they were incarnated as Carter Hall and Shiera Saunders, the original Hawkman and Hawkgirl. As Hawkman and Hawkgirl, they wore Nth metal belts, made with the help of the Thanagarian Paran Katar, father of Katar Hol, when he was visiting Earth.
Many years later, Carter and Shiera's son, Hector Hall, made a suit of armor made of Nth metal and took the name Silver Scarab as a founding member of Infinity Inc. The suit provided him with protection from attacks, let him lift great weights, and allowed him to fly and project solar energy blasts.
The current Hawkman and Hawkgirl continue to wear Nth metal.
Much later in the DC timeline, members of the Legion of Super Heroes wear "flight rings" made of an alloy of Nth metal called valorium.
The mercenary known as Deathstroke wears armor composed of Nth metal.
Its name is derived from the idiom "The Nth Degree" meaning that something is raised to a very high level, in this case the metal's overall numerous unusual properties and atomic number.
In other media
In the Justice League animated series, Nth metal has a somewhat different history. Nth metal is transuranic iron with an atomic number of 676, possesses innate anti-magical properties, is hyperconductive and is able to invert mesons and gravitons.
The Thanagarians had used the Nth metal to drive off Ichthulthu, a Lovecraftian entity that had dominated Thanagar for generations. Also, Hawkgirl was able to use her Nth metal mace to deflect the spells of Doctor Fate, and her mace was the only weapon that could put down a rampaging Solomon Grundy that was under the influence of chaos magic.
Hawkman, who appears later in the DCAU, also carries an axe and a net made out of Nth metal. He uses the net to capture Gentleman Ghost, claiming that the properties of Nth metal interfere with dimensional shifting.
In The Batman, Nth metal is renamed "Nth Element" and is portrayed as an alien mineral found within meteors. The mineral causes whatever it is irradiated with to float and defy gravity, like in the comics. The Nth Element is used in Hawkman's equipment, and Black Mask attempts to use it for a bank heist.
Batman: The Brave and the Bold
In Batman: The Brave and the Bold, Batman uses Nth metal brass knuckles, handcuffs, as well as batarangs, to fight and capture Gentleman Ghost. Green Arrow is shown to have Nth metal tipped arrows. As shown in the animated Justice League, Nth metal can be used against supernatural beings, but is vulnerable to direct magical spells, as is seen when Equinox mystically melts Batman's Nth metal handcuffs.
In the fourth season episode of Arrow, "Legends of Yesterday," a flashback is shown in Ancient Egypt, where after Hath-Set kills Prince Khufu and Priestess Chay-Ara, meteors made from a strange element were shown destroying the Middle Kingdom. In the present time, Kendra Saunders remembers her past life and tells Team Arrow and Flash about her vision, where they discover that the Staff of Horus was made from a strange material, which Cisco Ramon calls an "Nth metal," which allows him to create a pair of gauntlets to counteract the staff's magnetic polarity. It is also revealed the knife used to kill Khufu and Chay-era was made of the Nth metal. Later, after defeating Vandal Savage, Cisco gives Kendra a pendant made of the Nth metal that she can use to contact them for help.
Legends of Tomorrow
In the Legends of Tomorrow episode, "Night of the Hawk," a strange meteor made of Nth metal crashes down in Harmony Falls, Oregon in 1958, which Vandal Savage recovers. At the crash site, he also finds a group of teenagers that crashed and captures them, where he experiments on them at a mental hospital with the Nth metal and transforms them into Hawk-like creatures, along with the various other victims he's captured. Jefferson "Jax" Jackson is then captured and sent to the mental hospital, where Vandal injects him with a serum made from the Nth metal that transforms him into a Hawk creature. Later, after the team manages to stop Savage, Professor Martin Stein and Gideon are able to create a serum to counteract the Nth metal's effects and cure Jax and the other victims.
In the Supergirl episode, "The Darkest Place", Supergirl and Mon-El were captured by Project Cadmus and imprisoned in cages made from Nth metal. When Supergirl attempts to break the Nth metal cages, Mon-El claims that "they're unbreakable", and mentions that this material is from Thanagar.
- Justice League Unlimited, Season 1, Episode 21
- Hawkman (Vol. 4) #21
- Justice League: Starcrossed