Boromir is mentioned in The Lord of the Rings series.
Boromir . Boromir led many successful forays against Sauron 's forces , prior to his journey north to Rivendell , which brought him great esteem in the eyes of his father , Denethor . Rivendell is an Elven realm in Middle-earth , a fictional world created by J. R. R. Tolkien . Sauron [ ˈsaʊrɒn ] is the title character and main antagonist of J. R. R. Tolkien 's The Lord of the Rings .