Interior Buildings

 ☆Brick Kiln                     ☆Food Workshop               ☆Smelting Workshop

☆Timber Center              ☆Crystal Workshop

Interior Buildings 

 Brick Kiln
Quartermasters control most Brick Kilns in order to obtain bricks for the construction of military structures. Sand Stones, produced in Sand Fields, are processed and stored in the Brick Kiln. Upgrading the Brick Kiln allows players to construct higher-level Sand Fields and increases storage space for Sand Stones. 
It is needed in order to build Sand Fields outside the city.

How to build a Brick Kiln
Requirement: Level 1 Great Hall, 150 Sand Stones, 150 Gold and 20 Civilian House Space.

Food Workshop 
In the Food Workshop, workers process and store food harvested from outlying Farms. The stored food is used in the building of public utilities. Upgrading the Food Workshop allows players to construct higher-level Farms and increases food storage space.
It is needed in order to build Farms outside the city.

How to build a Food Workshop.
Requirement: Level 1 Great Hall, 150 Sand Stones, 150 Gold and 20 Civilian House Space.

Smelting Workshop
Metal ores are processed and stored in the Smelting workshop after being collected from the Mining Center. Upgrading the Smelting Workshop allows players to construct higher-level Mining Centers and increases storage space for metal.
It is needed in order to build Mining Centers outside the city.

How to build a Smelting Workshop.
Requirement: Level 1 Great Hall, 150 Sand Stones, 150 Gold and 20 Civilian House Space.

Timber Center
Wood produced at the Forestry Center are processed and stored in the Timber Center. Upgrading the Timber Center allows players to construct higher-level Forestry Centers and increases storage space for wood.
It is needed in order to build Forestry Centers outside the city.

How to build a Timber Center.
Requirement: Level 1 Great Hall, 150 Sand Stones, 150 Gold and 20 Civilian House Space.

Crystal Workshop
The Crystal Workshop must be kept very clean to prevent the crystals from being polluted. Crystals produced at the Refinery are processed and stored here. Upgrading the Crystal Workshop allows players to construct higher-level Refineries and increases storage space for crystals.
It is needed in order to build Refineries outside the city.

How to build a Crystal Workshop
Requirement: Level 1 Great Hall, 150 Sand Stones, 200Gold and 20 Civilian House Space.