They are very durable and therefore have incredible saving throws. Still, perhaps that magic armor you're wearing took the brunt of the blast? Maybe the heat from the dragon-flame set off the charge in your amulet? Just because they are durable doesn't mean they are indestructible - that would make them artifacts. Personally, I think dragon fire is a very suitable way for a magic item to meet its doom.
True, flavor-wise it sounds cool. I'd try it out if I saw some well-designed, fair house rules for such a thing.
Comments
i tried
alternate version:
It was always "THAK-o" whenever I came across it in PnP games.
Not sure, but I bet it is. Look up "sand art" on google. There is a lot of crazy-good stuff out there.
With apologies to Shoal...
http://www.quickmeme.com/meme/3tlcpo/
http://www.quickmeme.com/meme/3tlcr7/