Valyrian Steel and Mystical Weapons

[The Darkness]

Valyrain Steel
Heartsbane: House Tarly
Longclaw: Nights Watch
Lady Forlorn: House Corbray
Red Rain: House Drumm
Nightfall: House Harlaw
Icebane: House Celtigar
Ice: House Stark
Dark Sister: House Targaryen
Blackfyre: Unknown
Brightroar: House Lannister
Other Weapons: Various Locations

Mystical
Dawn: House Dayne

Dragonglass
Various Locations: Very Expensive to buy