The properties of Valyrian steel are well-known, and are the result of both folding iron many times to balance and remove impurities, and the use of spells-or at least arts we do not know-to give unnatural strength to the resulting steel. The secrets seem to be available only to Qohorik smiths. 'You have done good work, Master Mott,' Lord Tywin told the armorer. If my lords of Lannister are displeased, I will of course try again, as many times as you should require, but-' And some folds would not take the red at all, as you can see. I worked half a hundred spells and brightened the red time and time again, but always the color would darken, as if the blade was drinking the sun from it. These old swords remember, it is said, and they do not change easily. Your lord father had asked for the crimson of your House, and it was that color I set out to infuse into the metal. 'I confess, these colors were not what I intended, and I do not know that I could duplicate them. Only a man who knew the spells could take old weapons and forge them anew. Tobho had learned to work Valyrian steel at the forges of Qohor as a boy. Tobho Mott was a smith from Qohor who knew the spells to rework the metal.

Ck2 agot valyrian sword