This overview table is build on my own worktable. Where I listed the current unique units of all factions, the overall idea of the new units and their requirements.



Cao cao:

Current unique units:
Tiger & Leopard Cavalry (Allround and Armoured Cavalry unit)
Heavy Tiger & Leopard Cavalry (Allround and Armoured Cavalry unit)

Additional unique units:
Wei Spearmen (Spear and Shield and Frontline infantry) (Requirements: Lvl 4 General)
Wei Swordsmen (Sword and Shield and Frontline infantry) (Requirements: Lvl 4 General)


Liu Bei:

Current unique units:
Yi Archers (Ranged infantry unit)
Yi Marksmen (Ranged infantry unit)

Additional unique units:
Shu Shield Bearers (Sword and Shield, Frontline Militia unit) (Requirements: Lvl 1 General)
Shu Defenders (Sword and Tower Shield, Defensive Frontline Elite unit) (Requirements: Lvl 6 General)


Sun Jian:

Current unique units:
Mercenary Axemen (Axe and Shield offensive and Frontline infantry unit)
Mercenary Archers (Ranged infantry unit)
Mercenary Cavalry (Lance cavalry and offensive frontline unit)

Additional unique units:
Mercenary Spearmen (Spear infantry unit) (Requirements: Lvl 3 General) (Added to the roster of the Fire Mercenary Captain Retinue.)


Liu Chong:

Current unique units:
Cheng Royal Guard (Ranged Pavise crossbow and spear infantry unit)
Cheng Peacekeepers (Sword and shield cavalry unit)

Additional unique units:
Cheng Royal Guardians (Heavy Spear infantry unit) (Requirements: Lvl 4 General)


Sun Ce:

Current unique units:
Tiger Guard (Spear and Shield defensive and Frontline infantry unit)
Mercenary Axemen (Axe and Shield offensive and Frontline infantry unit)
Mercenary Archers (Ranged infantry unit)
Mercenary Cavalry (Lance cavalry and offensive frontline unit)

Additional unique units:
Mercenary Spearmen (Spear infantry unit) (Requirements: Lvl 1 General)


Yuan Shao:

Current unique units:
Warriors of Ye (Medium Ji aggressive infantry unit)
Defenders of Hebei (Heavy Ji aggressive infantry unit)

Additional unique units:
Song Royal Guards (Defensive Protector sword and shield infantry unit) (Requirements: Lvl 7 General)


Gongsun Zan:

Current unique units:
White Horse Raiders (Mobile Mounted archer cavalry unit)
White Horse Fellows (Robust Mounted archer cavalry unit)

Additional unique units:
White Horse Linebreakers (Medium Fast Lance Cavalry unit) (Requirements: Lvl 3 General)
White Horse Cataphracts (Heavy Fast Lance Cavalry unit) (Requirements: Lvl 6 General)

Lu bu:

Current unique units:
Flying Riders (Shock cavalry unit)
Camp Crushers (Two handed Shock infantry unit)

Additional unique units:
Foe Slayers (Dual wielding Axe Shock infantry unit) (Requirements: Lvl 6 General)


Yuan Shu:

Current unique units:
Rapid Tiger Infantry (Mobile Aggressive single blade infantry unit)
Warriors of the Left (Aggressive armoured single blade infantry unit)

Additional unique units:
Zhong Honour Guard (Aggressive Protector dual club infantry unit) (Requirements: Lvl 6 General)


Dong Zhou:

Current unique units:
Xiliang Cavalry (Shock cavalry unit)
Heavy Xiliang Cavalry (Heavy Shock cavalry unit)

Additional unique units:
Xiliang Warriors (Axe and Shield infantry unit) (Requirements: Lvl 3 General)
Xiliang Royal Guard (Unbreakable Shield and Spear infantry unit) (Requirements: Lvl 9 General)


Ma Teng:

Current unique units:
Qiang Hunters (Fatigue Immune Missile cavalry unit)
Qiang Marauders (Fatigue Immune Shock cavalry unit)
Qiang Raiders (Fatigue Immune Melee cavalry unit)

Additional unique units:
Heavy Qiang Raiders (Fatigue Immune Melee cavalry unit) (Requirements: Lvl 6 General)


Kong Rong:

Current unique units:
Fury of Behai (High Armour-piercing damage missile infantry unit)
Thunder of Jian'an (High Armour-piercing damage missile infantry unit)

Additional unique units:
Scholars of Qi (Light Glaive infantry unit) (Requirements: Lvl 3 General)


Liu Biao:

Current unique units:
Infantry of Jing (High morale Spear and Shield infantry unit)
Imperial Defenders (High morale Spear and Shield infantry unit) (Remake in order)

Additional unique units:
Archers of Jing (High ammo missile infantry unit) (Requirements: Lvl 3 General)
(Imperial Defenders now higher value and remade looks, instead of copy paste Heavy Spear Guards)


Tao Qian:

Current unique units:
Territorial Spearmen (Defensive spear infantry unit)
Territorial Archers (Defensive missile infantry unit)

Additional unique units:
Territorial Sword Guard (Defensive sword and shield infantry unit) (Requirements: Lvl 6 General)
Territorial Horsemen (Defensive melee cavalry unit) (Requirements: Lvl 3 General)

(NEW) Shi Xie
Current unique units:
(None!? WTF?)

Additional unique units:
Nanyue Brigade (Mixed Defensive and Aggressive spear infantry unit)
"Jacks of all martial trades, but masters of none grant the warriors of the Nanyue versatility in the midst of battle."

Nanyue Axes (Mixed Defensive and Aggressive javelin and shield infantry unit)
"Jacks of all martial trades, but masters of none grant the warriors of the Nanyue versatility in the midst of battle."

Riders of Ba (Mixed Defensive and Aggressive spear and shield cavalry unit)
"Trained riders of Ba, these men do not back down in neither their defensive capabilities or the strength of their attack."

These units have an unique Ability, named "Martial Versatility"

Name: Martial Versatility
Flavor: "Drilled in the Nanyue art of war, these warriors hold the enemy at bay with their unique efficiency in melee combat."
Duration: Constant
Active Condition: when HP is over 50%, unit is not wavering
Effects:
Melee attack rate +15%
Melee evasion +15%
Ranged attack rate +10%


Zheng Jiang:

Current unique units:
Hidden Axes (Aggressive Hybrid missile and melee axe infantry unit)
Fists of the Bandit Queen (Aggressive Hybrid missile and melee axe infantry unit)

Additional unique units:
Bandit Queen Raiders (Aggressive Two handed axe melee infantry unit) (Requirements: Lvl 3 General)




He Yi:

Current unique units:
Youxia (Unbreakable defensive sword and shield infantry unit)

Additional unique units:
(Inherits unit from Zhang Liang, General of the People) Gallants of the People (Armoured and High Morale melee spear and shield infantry unit).


Gong Du:

Current unique units:
Guardians of the Land (Aggressive Ji infantry unit)

Additional unique units:
(Inherits unit from Zhang Bao, General of the Land) Yaoguai Hunters (ranged guerilla snipe unit).


Huang Shao:

Current unique units:
Archery Masters (Ranged infantry unit)

Additional unique units:
(Inherits unit from Zhang Jue, General of Heaven) Chosen of the Eight Immortals (Brutal and Unbreakable melee dual wield infantry unit with small unit size).