Forge Plus is a feature that allows our grizzled hardcore players to purchase pay-as-you-go packages to assist their play styles!
You can access Forge Plus via a carriage across the river from your City (close in proximity to the Castle System Building)
By clicking on the carriage, you will be presented with an option to purchase a package. You can see the list of available packages in the in game shop Once you have bought a Forge package you can always see the remaining time by clicking on the carriage
in your city.