Three years have passed since the victory against the Clans and the truce of Tukayyid came into effect. Even still, chaos threatens to erupt at any moment across the universe. ComStar's betrayal and the assassination of Archon Melissa Steiner threaten the fragile unity of the Inner Sphere. As tensions rise, mercenary Commander Jake Mason uncovers a cache of critical Clan intelligence that could change the course of the war. New campaigns and questlines, new mechs and variants, new weapon types, ground vehicles, and battle armor join the battlefield.

Campaign & Missions
- New Cinematic Story Campaign and New Multi-mission Questlines to complete
- Experience the new Guerrilla Warfare mission type and Inner Sphere map update

New Mechs and More
All New Inner Sphere Omnimech Sunder
- New BattleMech Chassis - Incubus, Jenner IIC, Shadow Hawk IIC, BushWacker, and Kodiak
- New OmniMech Chassis - Linebacker, Ebon Jaguar, Night Gyr, and Naga
- New Clanbuster Com Guard Variants, Artillery-Capable Variants, and Clan-Tech Variants
- New Weapon types, New Ground Vehicles and Battle Armor join the battlefield