Follow Up to the Blue Mountains Question - Gundabad

[Inziladun]

Originally Posted by Elemmakil

A good reason. And not just dragons - I suspect in the aftermath of the breaking of Angband many of the survivors of Morgoth's legions took refuge up there in the far north, making Gundabad an untenable option for the dwarves.

Yet neither those minions nor any remaining dragons (after Smaug had staked his claim on Erebor) apparently gave any assistance to the Orcs at Gundabad, or any other place the Dwarves attacked.

Smaug was said to have been the "greatest of the dragons of his day", implying there were others; however, their inaction as regards helping fellow evildoers is curious.