Liberation
Tower Campaign.
Liberation is not available until you have completed the first three scenarios in Heroes of Might and Magic III: Restoration of Erathia: Long Live the Queen, Dungeons and Devils, and Spoils of War.
Backstory
We have established a solid foothold in Erathia, but the nation lies in near ruin. We start lby freeing the capitol city of Steadwick, and we do not stop until every invader has been driven from our lands.