However, after the Númenoreans captured Sauron and took him as their prisoner, the Dark Lord quickly began corrupting the kingdom and its people. It was given to them with the understanding that they were not allowed to use the island to sail westward into the Undying Lands - a place they were forbidden from ever entering.įor years, Númenor was a powerful and thriving kingdom, with the Númenóreans living far longer than the men of Middle-earth and achieving strong relations with the Elves. The Rise and Fall of Númenor - Númenor was an island kingdom originally created and given to a race of men known as the Dúnedain as a gift from the beings who had shaped the world.