melisandre*

10

Dragonstone sits on a mountain of dragonglass (…) We know that dragonglass can destroy both White Walkers and their army (…) “The Night King’s army grows larger by the day. We can’t defeat them on our own. We don’t have the numbers. Daenerys [Targaryen] has her own army and she has dragonfire” / Jon Snow (7.02)