The reasons why one Elven kingdom survived to see the dawn of the Fourth Age and why one fell to the Dark Lord over four thousand years earlier are myriad...
All the while Lórien, though nearer to the Black Land, lay shrouded and quiet, its mistress too strong to be overcome by the devices of the wraith-prince in Dol Guldur, and too clever to become a target for the Dark Lord himself.
