Valyrian steel is a form of metal that was forged in the days of the mighty

Hearts Bane of House

Valyrian Freehold. When fashioned into bladed weapons, the steel can hold an especially keen edge, remaining sharp forever without the need for honing.

Aside from its sharpness, Valyrian steel is recognizable by its strength and light weight in comparison to ordinary steel as well as by a distinctive rippled pattern visible in blades made from it.  Along with dragonglass, Valyrian steel is one of the few known substances that can kill White Walkers, although this property is not widely known, apparently not even to the White Walkers themselves. Since the

OathKeeper

destruction of Valyria, the majority of the surviving Valyrian steel weapons serve as heirlooms in the various noble Houses of Westeros.

he secret of forging Valyrian steel was lost in the Doom of Valyria, after which creating new Valyrian steel weapons became impossible. Stories claimed that the metal was imbued with magic spells and forged with dragonfire, though no one can confirm or deny this. The material was expensive to begin with, so even by the time of the Doom, Valyrian steel swords such as House Stark‘s Ice were already valued heirlooms passed down from one generation to the next in powerful noble families.

Skilled smiths can reforge Valyrian steel weapons by melting down existing ones, but it’s a difficult process. Two smaller Valyrian steel swords can be made out of a larger greatsword, or a large greatsword made by melting down multiple smaller swords, but the amount of Valyrian steel in the world is finite and extremely rare. The master-blacksmiths of Qohor are noted among the few who can accomplish this feat, but even they don’t know how to create entirely new Valyrian steel.

Known Valyrian Steel Swords in WEsteros.

Heartsbane, the ancestral sword of House Tarly, taken by Samwell Tarly before leaving for Oldtown.

Ice, the ancestral greatsword of House Stark. Captured by House Lannister when Eddard Stark was taken prisoner, and used by Ilyn Payne to behead Lord Stark at Joffrey Baratheon’s command. After the Red Wedding and defeat of House Stark, Tywin Lannister had it melted down into two smaller longswords, one given to his son, Jaime, the other to his grandson, Joffrey Baratheon.

Oathkeeper, the first longsword made from Ice. It was given by Jaime Lannister to Brienne of Tarth, who named it and now wields it in service to Sansa Stark.

Widow’s Wail

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, the second longsword made from Ice. It was given to Joffrey Baratheon as a wedding gift, who named it to suit his petty cruelty. Following his death, it was eventually reclaimed by Jaime Lannister.

Lady Forlorn, the ancestral sword of House Corbray.

Longclaw, the ancestral sword of House Mormont, given by Jeor Mormont to Jon Snow.

An unnamed Valyrian steel dagger wielded by an assassin who attempts to kill Bran Stark with it. It previously belonged to Petyr Baelish, who he claims he lost it in a bet to Tyrion Lannister, although this was later found to be a lie. In addition to the Valyrian steel blade, it also boasts a handle of dragonbone, enhancing its distinctiveness. Littlefinger apparently recovered the valuable blade from Ned’s chambers, and years later attempted to ingratiate himself with Ned’s son Bran by giving it to him as a gift. Given that Bran is crippled from the waist down, he felt the blade would be wasted on him, so he in turn gave it to his recently returned sister Arya Stark, who now carries it.