Board Thread:Suggestions forum/@comment-195.137.183.130-20150527122141/@comment-25869554-20150527122522

The Valar destroyed Angband at the end of the first age with such force that that the seas washed over Beleriand, it didn't 'sink' as such but was flooded by the ocean. I hope this helps.

P.S. please use the 'Lore' board for these sorts of things next time.

Gandalf the Turquoise, Lord of the Stiffbeards  (Give me a tinkle)