Builds Erebor Infantry
Iron Hills Warriors
Erebor Pikes
Erebor Shieldbearers
DragonSlayer

Builds Erebor Ranged units
Erebor Crossbows
Erebor Axethrowers

Provides resources and building upgrades
Builds Miner
Provides access to the Tunnel Network

Heals nearby units

Provides upgrades and produces iron as a resource

Builds Dwarven Siege weapons

Provides leadership to nearby troops

Defensive structures fires at nearby enemies

Haven
Builds Erebor Heroes and Guards of Durin's Hall
Provides resources
Heals nearby allies

Defensive structure fires on nearby enemies