User blog comment:WillyWyvern/Preparation for the Story of The Crooked Blade/@comment-26347028-20160320161217/@comment-26347028-20160320162035

Celeborn is described as founding a colony in Eryn Lasgalen, and the North is described as staying in the north (already being elves). There's also a reference to Avari staying unto the ending of Arda, so while some leave they're not all gone…