No Spoilers] I believe Valyrian steel was based on real life Damascus steel. Look at those ripples. : r/gameofthrones
Wikipedia on Twitter: "Damascus steel's reputation has inspired legends, such the ability to cut a hair falling across the blade. https://t.co/nSy5odS8O5 https://t.co/nmaylxJwOj" / Twitter
Valyrian steel - A Wiki of Ice and Fire
File:Brienne of Tarth sword-P5120151-black.jpg - Wikimedia Commons
The Hero of Islam, Saladin's Damascus Blade – Official POSCO Newsroom
Valyrian steel - A Wiki of Ice and Fire
Valyrian steel - A Wiki of Ice and Fire
Damascus steel - CAMEO
Why were Europeans fascinated by 'wootz' 'damascus' steel swords when their own swords were already well made? - Quora