High Elves and the Balrogs

[Raynor]

I believe obloquy is referring to HoME XII:

Originally Posted by The Shibboleth

Galadriel was the greatest of the Noldor, except Feanor maybe, though she was wiser than he, and her wisdom increased with the long years.
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These two kinsfolk [Galadriel and Feanor], the greatest of the Eldar of Valinor, were unfriends for ever.*
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* Who together with the greatest of all the Eldar, Luthien Tinuviel, daughter of Elu Thingol, are the chief matter of the legends and histories of the Elves.