We know that Moroni lived a long time after the Nephites were killed off, by the unrighteous Laminates. He lived alone for about 36 or 37 years, all by himself. He finished writing what he had to write; then he hid up the plates.

Was Moroni a nephite?

Moroni (/məˈroʊnaɪ/), according to the Book of Mormon, was the last Nephite prophet, historian, and military commander who lived in the Americas in the late fourth and early fifth centuries.

How did Joseph Smith describe Moroni?

Description. In one of Smith's histories, he described him as an "angel of light" who "had on a loose robe of most exquisite whiteness. It was a whiteness beyond anything earthly I had ever seen .… His hands were naked and his arms also a little above the wrists .…