The Two Towers Army is a fictional army of Orcs from J.R.R. Tolkien's Middle-earth universe. The Orcs, also known as the Uruk-hai, are a race of creatures that serve the Dark Lord Sauron and are a major antagonist in the Lord of the Rings trilogy. They are described as being large, fierce, and powerful warriors who are loyal to their master. The Two Towers Army is an elite group of Orcs that are sent to attack the fortress of Helm's Deep in the second book of the trilogy, The Two Towers.