Assault on Osgiliath is the fourth Adventure Pack in the Against the Shadow cycle for The Lord of the Rings LCG. After Middle-earth's heroes wage a terrific battle against Orcs and fires to save the townsfolk of Amon Din, they return to Minas Tirith just in time to join the army of Gondor as it marches to Osgiliath. Led by Lord Boromir, the war host means to strike a blow against Mordor, and the assistance from some of Middle-earth's greatest heroes may prove crucial to the mission's success!

Assault on Osgiliath immerses players in the fantastic locations, ferocious combats, and riveting story of one of the game's most sweeping and epic battles. As the war host engages the Orcs and Southrons who have garrisoned themselves within Osgiliath's ruins, players vie with the encounter deck for control of Osgiliath locations, traveling from one to the next. Battles and sieges, Orcs and Southrons, bloody advances and strategic retreats, unique locations, new enemies, and deadly treachery - Assault on Osgiliath has it all!