The League Fortress is a new Castle constructed by your League Marshal to unify your forces and strengthen your armies.
League Fortresses have 21 levels (0-20). They start at Level 3, but they can be downgraded to zero by rival Leagues. There are 4 milestone levels - 5, 8, 12, and 17. Once the League Fortress crosses a milestone level, it can’t be downgraded below it. Each Level upgrade grants additional Influence Points and increases your Influence Bonus.
The League Fortress has 7 types of buildings:
- League Keep: You can upgrade your League Fortress, rename it, relocate it, view your League’s Glory Points and Tomes, and garrison troops here.
- Bastion: You can upgrade it to increase Influence Points, activate Bastion Bonuses, and unlock higher levels of your Sacrarium and House of Knowledge
- House of Knowledge: You can get Bonuses for each League Member by upgrading two types of Fields of Knowledge: Weor’s and Mara’s.
- Ambrosia Harbor: You can convert Food to Ambrosia here.
- Metalist’s Guild: You can convert Iron to Taenite here.
- Alchemy Chamber: You can convert Gold to Amber here.
- Sacrarium: You can convert Sketches to Compendiums and store Ambrosia, Taenite, and Amber here.
These can be upgraded using a League Craftsman. Instant upgrades and free Boosts can’t be used in the League Fortress.
With the exception of the League Keep, all other building upgrades require Ambrosia, Amber, and Taenite. Weor’s Fields of Knowledge require Tomes while Mara’s Fields of Knowledge require Ambrosia, Amber, Taenite, and Compendiums for the higher levels.
League Resources are stored in the League Fortress. If a League is dismissed, all Units stationed at the League Fortress will automatically return to their owners' Catacombs, but all League Resources will be permanently lost.