The realm is weary because Winter is Coming! If the wall is breached you better head as far south as you can go. The dragon glass (cache) might be your only defense against the creatures that winter brings. Benjen Stark left this clue below and is your only hope at finding this sacred artifact.
North 51
Baelor
Kissed by Fire
Unbowed, Unbent, Unbroken
The Kingsroad
West 100
Breaker of Chains
The Watchers on the Wall
Hardhome
The House of Black and White
You can check your answers for this puzzle on GeoChecker.com.