Dûrchîn feature

Fortress

-- Builder

-- Heroes:

---- Sauron

-------- Fear (L1, all surrounding units cower in fear)

-------- Fires of Doom (calls down a rain of fire upon the earth)

-------- Black Tongue (coerces any human Elendili units apart from Heroes)

---- Eren-Úlistar

-------- Mount/Unmount Horse

-------- The Darkest Hour (L4, Úlistar damage +150%)

-------- Angmar (L8, turns units into Wights upon death)

-------- Black Shadow (L10, all surrounding enemies’ health slowly drains)

---- Erë-Khamûl

-------- Mount/Unmount Horse

-------- Shadow of the East (L3, causes fear)

-------- Legionary (L10, Summons 6 Legionary battalions)

-- Improvements:

---- Razor Spines (damages nearby enemies)

---- Fire Arrows

---- Scavenged Structure (increases Fortress health)

---- Ashen Skies (heals nearby friendly units and reveals stealthed enemies)

---- To The Depths (causes surrounding earthquake)

-- Expansions:

---- Tower

---- Tunnel

---- Fissure

Orc Pit

-- Level One:

---- Orc Warriors

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- (Upgrade) Standard of Sauron

-------- Bloodthirsty (attack friendly units to gain XP)

---- Goblin Warriors

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- Switch Weapons (Bow/Sword)

-------- Infest (L3, takes control of enemy structures at 20% health)

-- Level Two:

---- Half-Orc Warriors

-------- In Numbers (+100% to health and damage in groups of +100)

-------- Daylight Walkers (L3, +100 armour to surrounding friendlies)

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- (Upgrade) Standard of Sauron

---- Uruk Pikes

-------- Death Wall (shield wall, +400% to health, -100% attack)

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- (Upgrade) Standard of Sauron

---- Uruk Crossbows

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Fire Arrows

-------- (Upgrade) Standard of Sauron

-------- Bombard

-- Level Three:

---- Goblin Scavengers (Axes)

-------- Infest (L3, takes control of enemy structures at 20% health)

-------- Relentless (attacks a single unit with +150% damage)

---- Berserker

-------- Animal (increases health by killing enemies)

-------- Relentless (attacks a single unit with +250% damage)

Tunnel

-- (Passive, generates resources)

Den

-- Level One:

---- Mordor Wolf Riders

-------- Switch Weapons (Spear/Bow)

-------- Predators (L4, stealths while stationary)

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- (Upgrade) Fire Arrows

---- Cave Troll

-------- Pick Up Tree/Pick Up Rock

-------- (Upgrade) Rabid

-- Level Two:

---- Hill Troll/Snow Troll (depends on map)

-------- Pick Up Tree/Pick Up Rock

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Rabid

---- Half-Troll

-------- Charge (Runs blindly into battle crushing most units)

-------- Monsters of Man (L3, tears apart enemy units, causing them to flee)

-------- (Upgrade) Rabid

---- White Warg

-------- Predator (L3, stealths while stationary)

-------- Matriarch (L4, tames any neutral Wargs and Warg lairs it meets)

-- Level Three:

---- Attack Troll

-------- Ram (causes significant damage to structures, but kills troll)

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Forged Blades

-------- (Upgrade) Standard of Sauron

Seige Works

-- Level One:

---- Battering Ram

-------- (Upgrade) Scavenged Armour

-- Level Two:

---- Catapult

-------- Raining Hell (launches dead bodies, scattering enemy units)

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Flaming Munitions

---- Goblin Wagon

-------- (Upgrade) Scavenged Armour

-------- (Upgrade) Fire Arrows

-------- Evacuate All

-------- (Upgrade) Explosives (causes wagon to detonate upon destruction)

Armoury

-- Level One:

---- Forged Blades

-- Level Two:

---- Scavenged Armour

---- Fire Arrows

-- Level Three:

---- Rabid (permanent significant increase of damage)

---- Standard of Sauron (banner carriers upgrade, either holds crucified Elendili above them or drags them behind them – causes fear and gives leadership bonus)

Lookout Tower

-- Fire Arrows