The conversation between human and AI assistant.
Is Arya Stark's sword, Needle, made of Valyrian steel?
I see. Do you know how Valyrian steel is made?
The exact process of creating Valyrian steel is a mystery, but it is said to involve dragonfire and magic. Some speculate that it is infused with dragon glass. What is known is that it is incredibly strong and sharp, and that it was originally created by the Valyrians in Old Valyria before the Doom.