BattleTech: Empire Alone – An ilClan Era SourcebookEmpire Alone is a sourcebook providing full details of the events around the Wolf Empire and Free Worlds League from 3151 to mid 3152. Included are a full historical summary of events in those regions of space, personality and unit profiles of key playersmany appearing here for the first time, and game information to bring it all to your BattleTech tabletop.