oldest school
Old Mossy Horns
I think that what she will use is a weapon from the young boy, the ones made out of the magic stuff that kills the walkers. she gave him a design to make.About 10 people have commented that its Valeryian Steel.
A dragon glass weapon to kill that pesky night walker dragon and the night king? I hope.
valeryian steel isn't going to bother them I don't think.