Quote Originally Posted by Iscah View Post
Yes, I do remember that being implied. IIRC it's that the ore is from Corvos which is close to (and I think elsewhere stated to be geographically similar to) Thavnair.

So if it is giantsgall or similar, it's possible that the radios have a small amount of power to protect from a single burst of tempering, but it's the dragon scales that give it lasting energy to protect you in a danger zone, or something like that.
Corvos is just across the sea (where alzadars legacy takes place) from thavnir in south central ilsabard