Build Worker's Hall is a quest of Necropolis playthrough in Might & Magic: Heroes Online.
The sawmill worker suggests the hero to build a worker's hall in their town, to supply them with wood. To do so, the hero has to return to the base and construct the workers' hall. It costs 40 wood, 1 construction permit and needs a minute to be constructed. Once completed, the hero has to go to the prison to speak with the apothecary.