Large-Scale Battles: Difference between revisions

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=== Units ===
=== Units ===
Military units, when they are fully mustered and healthy, consist of 1,000 troops.  They have a small set of stats, like monsters, but their combat mechanics are MUCH simpler.  All units have the following stats:
Military units, when they are fully mustered and healthy, consist of approximately 1,000 troops.  They have a small set of stats, like monsters, but their combat mechanics are MUCH simpler.  All units have the following stats:
* Attack (red chips)
* Attack (red chips)
* Defense (white chips)
* Defense (white chips)
* Movement (blue chips)
* Movement (blue chips)


Furthermore, the combined value of these three stats represent the unit's current (and total) health.  As a unit takes damage, it reduces one of its three primary stats by the damage amount.  If any of the unit's primary stats are ever reduced to zero, the unit routs, and attempts to flee the battlefield.  For example, the weakest unit in the game, irregulars, which are just farmers and townsfolk with no training, and probably only the equipment they could scavenge from their own attics, have 1's in each of their primary stats: Attack 1, Defense 1, Movement 1.  If they take any damage at all, they will rout.
Furthermore, the combined value of these three stats represent the unit's current (and total) health.  As a unit takes damage, it reduces one of its three primary stats by the damage amount.  If any of the unit's primary stats are ever reduced to zero, the unit becomes 'routed', replacing all of its stats with just "movement 2" (which consequently alters its remaining hit points to just 2, regardless of what remaining stats it might otherwise have had).  For example, the weakest unit in the game, militia, which are just farmers and townsfolk with no training, and probably only the equipment they could scavenge from their own attics, have 1's in each of their primary stats: Attack 1, Defense 1, Movement 1.  If they take any damage at all, they will become 'routed'.


For simplicity's sake, it can be very helpful to represent each unit on the field as a stack of colored chips, with each color representing one of the primary stats, and the quantity of chips of that color representing its value.  Alternatively, you can use small squares of cardstock or paper, and write their primary stat values on them, and just update the numbers as the unit takes damage.  You can even use d6's for each of the stats, but that can get a bit fiddly.  We have found that a stack of colored chips is the easiest to work with, and it makes it easy for all parties to see how strong each unit is, on the board.  Poker chips (or any other kind of stackable chips with at least 3 different colors) work well.  Ideally, you'll want between 100 and 400 of each color, and picking colors that contrast easily against each other (and aren't opposites, for those of us who are color-blind) is recommended.  These rules use red for attack, white for defense, and blue for movement, but you should feel free to use whatever colors you have available and are easily distinguishable from each other.
For simplicity's sake, it can be very helpful to represent each unit on the field as a stack of colored chips, with each color representing one of the primary stats, and the quantity of chips of that color representing its value.  Alternatively, you can use small squares of cardstock or paper, and write their primary stat values on them, and just update the numbers as the unit takes damage.  You can even use d6's for each of the stats, but that can get a bit fiddly.  We have found that a stack of colored chips is the easiest to work with, and it makes it easy for all parties to see how strong each unit is, on the board.  Poker chips (or any other kind of stackable chips with at least 3 different colors) work well.  Ideally, you'll want between 100 and 400 of each color, and picking colors that contrast easily against each other (and aren't opposites, for those of us who are color-blind) is recommended.  These rules suggest red for attack, white for defense, and blue for movement, but you should feel free to use whatever colors you have available and are easily distinguishable from each other.


=== Unit Special Abilities ===
=== Unit Special Abilities ===

Revision as of 18:51, 2 April 2022

Coming Soon

Large-scale battles are sometimes a useful way for GM to put players in the middle of forces much larger than themselves. It drags them out of the "small, ragtag band of murder-hobos rampaging through a dungeon" mindset, and puts them in the middle of a conflict that they probably can't solve by simply rolling dice and hitting things. It also forces politics into the story (since the two sides are fighting for a reason, right?), which can add a very different theme to a campaign, if you want a break from the never-ending combat encounters.

Large-scale battles are an abstract system where armies fight against each other. The PCs are not on this board. Instead, they engage in encounters, skill challenges, and other types of 'traditional' encounters during each Engagement of the large-scale battle, in the hopes that their own actions can influence the outcome of the battle in their favor. For example, while the first Engagement of the battle is going on, the players may choose to perform an 'intercept orders' action, where they intercept the marching orders of two of the enemy's units and replace them with orders of their own. This is resolved as a traditional combat encounter, except that the primary objective of the players is the kill the courier and steal his message (replacing it with a forgery of their own), before enemy reinforcements can arrive. The players will fight the courier's guards, but after the 3rd round, a lot more guards will arrive, making success for the mission impossible. If the players don't succeed by the end of the third round, their mission fails and they are forced to retreat. If they succeed, however, they may swap the placement of two of the enemy's units on the enemy's side of the battlefield before the start of the next large-scale battle Engagement. After that, win or lose, the players move on to their next effort to either bolster their own forces' strengths, or undermine the enemy's strengths.

Of course, the enemy might have a commander or band of their own heroes, who can engage in similar operations. The players might not even know such a group is acting until strange things start happening on the battlefield (such as two of their own units getting swapped around). This could all lead up to a final battle between the PCs and the enemy champions, just as the battle itself is reaching its own climax. Fun times!

Also see Timescales for more information.

The Chessboard

Large-scale battles are never held in the same tactical battlefield (or battle mat) that players use to fight their own encounters. It is played on a grander scale, where each square of the map represents a space large enough to hold a unit of 1,000 troops. This secondary board is referred to as the 'battle space', or the 'chessboard'.

The Chessboard is frequently a standard 8x8 chessboard (or checkers board, if that's how you roll). Smaller battles can take place on a board that is only 6x6, or even 4x4, while larger battles can take place on a 10x10 or a 12x12, if necessary. The chessboard should always be an even number of squares on a side, and should always be a square. This allows the deployment areas to be equal in size without leaving a 'no man's land' in the middle, as an odd-numbered size would create.

Each side in the battle can set up their troops on their half of the board of their side, taking turns to place each unit. This is called the 'deployment area'. If any side of the battle ever has more units than squares available on the board, they must hold any remaining units in reserve (off the board) until room is freed up for those units to enter the battle. Reserve units must move into the battle from the back row of their side (they cannot enter from the sides or from any squares in the enemy's deployment area), unless they possess some special ability that changes their deployment rules (such as cavalry).

Units

Military units, when they are fully mustered and healthy, consist of approximately 1,000 troops. They have a small set of stats, like monsters, but their combat mechanics are MUCH simpler. All units have the following stats:

  • Attack (red chips)
  • Defense (white chips)
  • Movement (blue chips)

Furthermore, the combined value of these three stats represent the unit's current (and total) health. As a unit takes damage, it reduces one of its three primary stats by the damage amount. If any of the unit's primary stats are ever reduced to zero, the unit becomes 'routed', replacing all of its stats with just "movement 2" (which consequently alters its remaining hit points to just 2, regardless of what remaining stats it might otherwise have had). For example, the weakest unit in the game, militia, which are just farmers and townsfolk with no training, and probably only the equipment they could scavenge from their own attics, have 1's in each of their primary stats: Attack 1, Defense 1, Movement 1. If they take any damage at all, they will become 'routed'.

For simplicity's sake, it can be very helpful to represent each unit on the field as a stack of colored chips, with each color representing one of the primary stats, and the quantity of chips of that color representing its value. Alternatively, you can use small squares of cardstock or paper, and write their primary stat values on them, and just update the numbers as the unit takes damage. You can even use d6's for each of the stats, but that can get a bit fiddly. We have found that a stack of colored chips is the easiest to work with, and it makes it easy for all parties to see how strong each unit is, on the board. Poker chips (or any other kind of stackable chips with at least 3 different colors) work well. Ideally, you'll want between 100 and 400 of each color, and picking colors that contrast easily against each other (and aren't opposites, for those of us who are color-blind) is recommended. These rules suggest red for attack, white for defense, and blue for movement, but you should feel free to use whatever colors you have available and are easily distinguishable from each other.

Unit Special Abilities

Advanced units often have a special ability, in addition to their primary stats. It is exceedingly rare for any unit to have more than one special ability (like, basically never). Some examples of special abilities include:

  • Range 2 -- can attack a unit that is 2 squares away, instead of having to attack adjacent. In many cases, a ranged attacker cannot attack adjacent.
  • Damage 2 -- nearly all units deal only 1 damage when they hit. A unit with Damage 2 inflicts 2 damage when it hits.
  • Cavalry Charge -- cavalry units are always reserves (they start off of the board when the battle lines are drawn up. Unlike normal reserve units, they can enter the board by moving in from any edge (including the enemy's back edge), but they must move in a straight line, and attack the unit at the end of that straight line. They always have enough move to get to the unit directly in front of them for this charge. Once on the board, the are treated like any other unit (i.e., this is a once-per-battle ability).
  • Skirmisher -- most units can only move up, down, left, or right on the chessboard. This unit can also move diagonally.
  • Lesser Flight -- treats all terrain types as one step lower: difficult becomes normal, impeded becomes difficult, and blocked becomes impeded.
  • Greater Flight -- can ignore all movement penalties associated with difficult terrain, and can move through any terrain. Cannot stop in a blocked space.
  • Magic -- magic damage always bypasses defense, meaning it always inflicts damage, even if the defender's Defense stat is extremely high.
  • Area -- some attacks can hit more than one square, attempting to deal damage to all units in the affected area. However, this damage is always indiscriminate -- it will hurt friendly units, too.
  • Siege -- siege damage targets terrain, in addition to the unit in the target square. If an impeded or blocked space is hit with Siege damage, it is reduced by one step (to difficult, or impeded, respectively). If a normal terrain space is hit by Siege damage, it becomes difficult terrain. Siege damage doesn't change difficult terrain.
  • Shield Wall -- +2 defense versus melee attacks from enemies directly in front of this unit (diagonal attacks, flanking, and rear attacks go against normal defense number).
  • Turtle Formation -- +1 defense versus ranged attacks.

Engagement Rounds

An Engagement Round is a fixed set of turns in large-scale battles, that represent approximately an hour of fighting. Engagement rounds in large-scale battles are different from rounds in a standard combat encounter between PCs and monsters. Instead, it is assumed that, during each Engagement Round, the players have an entire encounter of their own (hopefully to influence the battle's outcome in their favor, assuming they succeed in their goals).

A single Engagement Round in a large-scale battle is performed by each side taking turns doing the following, in order:

  • Move up to 4 non-routed units
  • Move all routed units
  • Attack with each non-routed unit that can perform an attack

Once all units that can attack have made an attack, the first Engagement of the battle ends. The battle continues until one side is defeated (see below), but between each Engagement, the player characters can perform a mission to attempt to disrupt or influence the next Engagement round.

Movement and Terrain

Units can only move horizontally or vertically, never diagonally, unless they have some special ability, like Skirmisher, that lets them break this rule. Units move a number of squares equal to their current (remaining) movement speed, though a unit can always move 1 square, even if it's current movement speed has been reduced to zero (in this case, the unit is routed, so they must attempt to move off the battlefield, and they can no longer make attacks).

Often, the chessboard will contain areas of different terrain, and this terrain works just like that in traditional combat encounters: there's normal terrain (normal movement), difficult terrain (requires 2 movement to enter), impeded terrain (requires at least 3 movement to enter, and your movement always ends upon entering a square of impeded terrain), and blocked (you cannot enter, or move through or over, this square).

If a unit doesn't have enough movement to enter difficult or impeded terrain, but wants to move there anyway, it can do so, but at the cost of losing its attack for the round. In this way, all units can always move at least 1 square during a move action, even if their movement has been reduced to zero (routed), but they must give up their attack to do so (and routed units can't attack anyway, so there's no downside to them for doing this).

Units cannot move through or stop in a square occupied by any other unit, regardless of whether that other unit is friendly or hostile. This means that a routed unit can't run away from the battlefield if it is completely penned in by other units. This can be a very useful way for savvy commanders to keep their (otherwise useless) irregular troops on the field, while still serving as an obstacle to keep the enemy forces away from your more valuable units.

Attacking

Attacking in large-scale battles is a very simple affair. Taking turns, each side identifies which unit they wish to attack with, and they compare that unit's Attack stat to the defending unit's Defense stat. If the Attack stat is greater than or equal to the defender's Defense stat, the attacker inflicts 1 point of damage (unless they have some special ability that allows them to do more damage).

Once a unit has attacked in a given Turn, it cannot attack again (unless it has a special ability that specifically breaks this rule). After the attacker's first unit attacks, the defender chooses a unit to attack with, resolves the attack, and marks that unit has having attacked for the turn. This process repeats until all units on the battlefield that can make an attack have attacked.

Damage

Each time a unit takes a point of damage, one of its primary stats is reduced by one to represent this damage, reducing the unit's effectiveness. If any of the unit's primary stats is ever reduced to zero, that unit routs, and must attempt to leave the battlefield. As soon as a unit is routed, it can no longer perform attacks, even if it hasn't yet made an attack this round.

Victory or Defeat

A battle ends when more than half of its total units are routed, or when the commander of the force decides to sound the retreat. As a result, it is fairly rare for experienced units to be completely annihilated, unless they are ground down to nothing in the middle of a battlefield where they cannot find any avenue of retreat. Commanders can also save their best units with a timely retreat, though such losses often have a price of their own. Finally, because a battle ends when half a side's units are routed, it is nearly impossible to win a battle by having a single 'super unit' that can kill everything in its path.

Heroic Intervention

As you can see, the large-scale battle system is fairly straightforward. Almost boring in its simplicity. It is the actions of the player characters that turn all this into something fun and interesting.

Between each large-scale battle turn, players choose a mission to go on, in support of their side's forces. Most often, these missions are efforts to disrupt or reduce the enemy's effectiveness, but it can also be a mission to provide support and relief to the allied troops, if the player characters favor taking more humanitarian actions.

Usually, there is an opportunity for the players to perform one mission before the first Battle Turn occurs, unless the players were not aware the battle was going to occur (i.e. the enemy army somehow managed to gain the element of surprise). In such a case, the players can't perform a mission until after the first Battle Turn is finished. However, players can always perform a mission between each subsequent turn, until one side or the other is defeated.

The following is a list of possible actions the players could engage in, between Battle Turns: