Tywin Lannister: Harren the Black thought this castle would be his legacy. The greatest fortress ever built. (...) Look at it now: a blasted ruin. Do you know what happened?
Arya Stark: Dragons?
Tywin Lannister: Yes... Dragons happened. Harrenhall was built to withstand an attack from the land. A million men could have marched on these walls, and a million men would have been repelled. But, an attack from the air, with dragonfire. Harren and all his sons roasted alive within these walls. Aegon Targaryen changed the rules. That's why every child alive knows his name, three hundred years after his death.
Arya Stark: Dragons?
Tywin Lannister: Yes... Dragons happened. Harrenhall was built to withstand an attack from the land. A million men could have marched on these walls, and a million men would have been repelled. But, an attack from the air, with dragonfire. Harren and all his sons roasted alive within these walls. Aegon Targaryen changed the rules. That's why every child alive knows his name, three hundred years after his death.
