Dûrchîn
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
All four rosters looks very good