Athos1660 wrote: ↑Fri Oct 08, 2021 12:15 am
...In this game, no magical advantage is given to the AI, depending on the difficulty level.
And to continue that thought, the only advantage the AI has at the higher difficulty levels is that it has more points to buy units, and at the very highest level of "King", its troops are also of generally higher quality while yours are usually the same or of lower quality (especially "Average" or below units) than their normal levels.
Otherwise, the AI acts the same at all difficulty levels, and it uses the same random number generator (RNG) you do - so rallies happen (or don't happen) for both the AI and you for the reasons described above.
One thing you can do to increase the *chances* of rallying routed units is to have a general with it - this will have the unit check for rally on each of your turns, instead of (I think) a 20% chance of checking to rally every turn by itself. That 20% chance is just the probability of attempting to rally, the routed unit then has to try to rally, with higher-quality units (say, "Above Average" or better) more likely to rally (assuming the unit isn't below 50% of its original strength, because at that point it won't stop running.)
Of course, you take the chance that the general just gets dragged along with the routed unit if it doesn't pass its rally test - for practical purposes, I think it's only worthwhile to try to rally "Superior" or better units. Units of lower quality are more likely to say, "Screw you, sir!" and keep running
The flip side of this is one of the reasons light cavalry is so useful - a routed enemy unit cannot check for rally at all if it is being pursued, even if it has a general with it. So if you see a high-value target like a routed knights and sergeants cavalry unit (usually superior or higher quality) with a general accompanying it, and it isn't already being pursued [Edit: or below 50% of its original strength], you would be wise to charge it with a cavalry unit to either chase it off the map, or until it disperses. You might even kill or wound the general. [Pursuing] a routing raw light crossbowman unit? I wouldn't bother unless there were no other targets.
I say "light cavalry" because it's a cheaper unit, and I don't want my own knights and sergeants to follow the enemy off the map ("Come back, you idiots, the battle isn't over yet!" - which happened many times in history. As an example, see the
Battle of Verneuil (17 August 1424) and the actions of the Milanese heavy cavalry who were allied to the French and Scots.
[Edit for grammar.]