First off,

Tasunke, I very much like your suggestions so far!  Keep 'em coming!  Your ideas reflect the same spirit of what I'm going for, and I like how simple you are keeping things.

Here's what I've hammered out so far for Path Of The Warrior.  Many of these are lifted out of Kenata's weapons mods, and I haven't applied balancing to any of them yet.  Mostly, I'm just experimenting with these subtrees at this point.  I also have not married these with the current Path Of The Warrior Tree, so a few of those abilities still need to be added.  Keep in mind that some of these abilities will have cooldown times between uses.

The tree structure below could also apply to higher level units of the appropriate type, giving them new abilities as they grow in experience...

         Path Of The Warrior

  --> Way Of The Blade
      -->Deep Gash: An attack that scales with target's health
          \-->Bleed: Target suffers -2 to Attack, bleeds for 2 damaage per round
              \-->Bleeding Strike: +50% Damage, bleeds target for 4 damage per round
                  \-->Decapitate An attack made at Strength equal to target's health
      -->Double Strike: Unit makes 2 quick attacks\-->Flurry: May make 3 attacks at 100%, 75%, and 50% respectively.
      -->Slip Defense: Dodge increased by attack strength until next turn.

  --> Way Of The Axe
      -->Chop: Attack at 50%, reduces one armor piece by -1
         \-->Deep Chop: Target suffers -2 to attack, reduces one armor piece by -2
             \-->Mighty Chop: Target suffers -4 to attack, reduces one armor piece by -4
      -->Wide Swing (2H): Attack at 50%, reduces all adjacent counterattacks by 50% next turn.
         \-->Cleave(2H): Unit strikes all adjacent enemies.
             \-->Mighty Cleave(2H): Unit strikes all adjacent enemies.  Each adjacent enemy must roll to remain standing.

  --> Way Of The Archer
      -->Suppressive Fire: Target takes 1/2 Damage and receives 20% attack Penalty
          \--Rapid Fire: Unit makes 2 attacks at 75% Strength, -2 to Accuracy
             \-->Barrage: Arrows rain down over target area, dealing half strength attacks to all within. (line of 3 adjacent squares).
      -->Marksman: +3 To Accuracy, +25% to Damage
          \-->Greater Marksman: +6 to Accuracy, +50% to Damage
               \-->Master Marksman: +10 to Accuracy, +75% to Damage

  --> Way of the Bluntsman (better name probably needed here)
      -->Smash  +25-75% damage, opponent may not counterattack on it's next turn
      -->Windup +50% damage, - to defense(?)
          \-->Haymaker Attack at 2x Strength, - to own defense, Opponents Defense reduced 50%
      -->Armor Cracker Attack at 1/2 Strength, reduces opponent's defense strength
      -->Disorient - Attack has % chance to cause opponent to lose next turn
      -->Mighty Blow 50% attack bonus, 30% penalty to own dodge
      -->Knockback: +25%-75% damage, forces target back 1 square
          \-->Blowback: +75% damage, forces target back 1 square
                \-->Skull Cracker: Attack does full damage, forces target back 1 square, and target loses next turn.


  --> Way Of The Polearm (Hoplite, Phalanx, Pikeman, etc.).
     -->Fortify +15% Def/+15 Counterattack
         \--> Improved Fortify +30%/+30%
     -->Pierce: Target takes half attack true damage
     -->Dismount: Target attacked at 100%, chance that target is knocked off of mount, losing next turn.
    

  --> Way of the Rider
     -->Sabre Strike: +25% to next attack.
     -->Lance Strike: +25% to charge attack, chance of knocking opponent back 1 square.
        \-->Greater Lance Strike: +50% to charge attack, chance of knocking opponent prone/back one square, losing next turn.
     -->Intimidate: Attack has 50% chance of causing fear in non-mounted opponent.
     -->Trample: Second attack at 50% if charge attack is successful.

Nice work Tasunke!  At some point after I hammer out some concepts, I'll take a look at the ideas side by side and see how they compare.  Right now, I'm just trying to get ideas jotted down, for evaluation later.

Also, I really like your idea of spear+shield, for both Polearm types and Mounted types as a talent, unless of course everyone feels this should be allowed already.  It'd be easy to make a 2H spear+shield item for the the purchase/design cue.

Your ideas also gave me some direction for the governor paths.  I wasn't sure what to do there as of yet...

Path Of The Governor

  -->Way Of The Slaver

  -->Way Of the Bureaucrat

  -->Way Of The Diplomat

  -->Way Of The Sage

  -->Way Of The Merchant

More stuff:

Path Of The Assassin (may need to rename this path)

  --> Way Of The Ranger

     -->Companion: Ranger gains a minor companion (wolf, etc.).  If lost, a new one may be resummoned after 2 game turns.
         \-->Companion 2: Ranger gains a lesser companion (horse, etc.).  If lost, a new one may be resummoned after 2 game turns.
              \-->Companion 3: Ranger gains a greater companion (bear, etc.).  If lost, a new one may be resummoned after 2 game turns.

     -->Sustenance: Reduces maintenance of units stacked with Ranger by 25%.
     -->Eyes Of The Eagle: +1 to sight range of stack.
     -->Pathfinder: +1 to strategic move of stack.
     -->Nature's Guise: -1 to sight range of other units observing the Ranger's stack. (min 1)
         \-->Nature's Cloak: -2 to sight range of other units observing the Ranger's stack. (min 1)

Path Of The Mage

  --> Way Of The Healer (Life)

      -->Care 1: +1/game turn to heal rate of each unit in stack, +3 to heal spells (+1 per life shard). Champion incapacitation reduced 10% if stacked in same city.
          \-->Care 2: +2/game turn to heal rate of each unit in stack, +6 to heal spells (+2 per life shard).  Champion incapacitation reduced 20% if stacked.
               \-->Care 3: +3/game turn to heal rate of each unit in stack, +9 to heal spells (+3 per life shard).  Champion incapacitation reduced by 30% if stacked.

      -->Midwife 1: Increases Growth of City by 5%, reduces unrest by 5% while stacked in city.  Possible dynasty application
          \-->Midwife 2: +10%/+10%
               \-->Midwife 3: +15/+15%

      -->Empathy 1: 10%  total HP in damage may be transferred to Healer from another unit each game turn.
          \-->Empathy 2: 25% of Healer's total HP in damage may be transferred to Healer from another unit each game turn.
               \-->Empathy 3: 50% of Healer's total HP in damage may be transferred to Healer from another unit each game turn.

Lots of good ideas here!  I'm not sure you can change champion incapacitation times, you will need to see if that's possible currently.