Moroni repeats that he will wipe out the Lamanites and reclaim the land of Nephi (“land of our first inheritance”), then terminates by signing his name and authority (“a leader of the people of the Nephites”). This is important, for it lets Ammoron know that Moroni has the authority to back up his threats. (See also the function of a colophon, 1 Nephi 1:1 and accompanying commentary.)