Shireen Baratheon: "The Dance of Dragons: A True Telling" by Grand Maester Munkun.

Davos Seaworth: Now that sounds like a proper story.

Shireen Baratheon: Ser Byron Swann wanted to kill the dragon Vhagar. He polished his shield for a week so that it was like a mirror. And he crouched behind it and crept forward, hoping the dragon would only see its own reflection.

Davos Seaworth: But the dragon saw a dumb man holding a mirrored shield.

Shireen Baratheon: And burnt him to a crisp.

Davos Seaworth: Thus ending the dragon-slaying career of Ser Byron Swann.