Perhaps this process involved magic, perhaps it involved dragons no one will ever know, because the secret of making Valyrian steel was lost when Old Valyria sank into the sea, along with all the dragonriders except the Targaryens. Martin's readers have long suspected: Valyrian steel can also destroy the terrifying creatures.īefore the Doom of Valyria, the blacksmiths of the ancient city discovered a way to work metal that resulted in swords that were lighter and sharper than normal steel. But it wasn't until Season 5's battle at Hardhome that the show confirmed what George R.R. Samwell Tarly found out in Season 3 that dragonglass (aka obsidian), a natural substance that can be mined from places like Dragonstone, is capable of killing a White Walker, when he stabbed one in the back with a dragonglass dagger. Who has Valyrian steel on Game Of Thrones? This valuable and rare weapon is the only man-made substance that can kill the White Walkers, so it's important to take a close accounting of which characters are in possession of it heading into Season 8. 'Doesn't stop, doesn't feel.' But that's not quite true there is one thing that can stop them. 'Our enemy doesn't tire,' Jon Snow says in the trailer for the final season of Game Of Thrones.

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