Here is an optional system for Ragnarok: Age of Wolves (on sale right now for $2.99!), intended to recreate the effects of personal leadership and the issuing of orders on the battlefield. Players must agree to use it, in which case they each get the same number of Command Points. A good number is roughly 1 for every five  models on the table for each side. A Character need not be made a Commander, and would then not be given Command Points. Some characters are loners, outside of whatever command structure exists, etc. 

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Certain Characters in RAW can be designated as Commanders. A Commander must be assigned at least one Command Point (CP), but no more than the rank of the commander. 

A Commander can spend CP to motivate troops within his Zone of Authority to do things they could not normally do. It takes no game-time or actions for a Commander to issue command and spend points - this is done along with any other actions the commander takes. Command Points must be spent in the Phase appropriate to the action ordered. Command and CP are limited as follows. 

• Each Command Point affects a single model.
• No commander can issue Command Points to a model of higher ranks. 
• No model can accept CP, or orders, from more than one Commander in the same turn.
• A Commander can issue multiple orders (so long as they are no contradictory) to a single model, spending 1 CP for each. 
• Monsters cannot be issued Command Points by anyone that is not a handler or rider of that monster.
• A Commander can use up to one CP on itself to imitate an action it ordered on another model. 
• Command Points expire in the End Phase of the turn in which they were issued, if not before (as determined by the action). 
• Command Points are restored to the issuing Commander during the End Phase. If the Commander is dead, off the battlefield, or otherwise indisposed, those CP are lost until the return. 
• If a Commander and the model to be ordered do not have line of sight because of intervening terrain. It cannot order that model. Exception: If the commander has a musician, or a standard bearer with a standard that can be seen, the order can be issued regardless of Line of Sight. 

Each Commander has a Zone of Authority equal to 4 times the Rank of the Commander in Inches, over which it may issued commands. So a Veteran Commander must be within 4 inches of those he would command, and Elite Commander within 8”, and a Hero Commander can issue command points to those up to 12” away. 

One Command Point can enable one model to undertake any one of the following commands:

• Push Move: Increase Move by up to 2” (Move Phase).
• Push Charge: Increase Charge by up to 2” (Move Phase).
• Pursue: If a model has not exhausted its Charge, it may Charge to pursue enemy that Evade or Flee from melee or imminent contact.
• Attack!: Gain +1 to hit in the Phase, suffer -1 Def until the End Phase of that turn (Magic? Missile, or Melee Phase).
• Defend: Gain +1 Def for the rest of the turn, -1 to hit and +1 to OK until End Phase of that turn (Magic/Missile or Melee Phase).
• Rally: A model suffering from Fear or other Mental effect may make a Rank Challenge against the model that is the cause of their effect. (End Phase). 
• Change Facing to any other facing (Any Phase).
• Search/Collect: Pick up a dropped or thrown weapon, open a door, collect an item from a tomb or container. The ordered model must be adjacent to the whatever the order intend it interact with, but may open, search and collect with the same order.