Thorin in the Blue Mountains

[Kuruharan]

Originally Posted by Inziladun

And when I think about it, was it really beyond the powers of a large force of Dwarves, say the size of the army at the Battle of Nanduhirion, to have destroyed one Balrog? After all, one Elf accomplished just that twice in Gondolin.

It was beyond their strength to keep it from driving them out of their homes in the first place.

Elves, particularly the powerful elves, had greater innate spiritual strength.

Not to say it couldn't have been done but it wasn't very likely.