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Attacking & Defending

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Revision as of 01:59, 25 July 2026 by Revival (talk | contribs) (Changelog: added a113)

Military Efficiency

Base Military Efficiency

Base Military Efficiency = ( 33 + 67 * ( Effective Wage Rate / 100 ) 0.25 ) * Ruby Dragon * Multi-Attack Protection Bonus

  • Rounded to one decimal point, it should return the most accurate values. Effective Wage Rate lies between 20% (77.8% Efficiency) to 200% (112.7% Efficiency).
  • While wages can be changed instantly, the effective wage rate used for base military efficiency changes slowly per tick. It takes approximately 96hrs to go from 20% wages to max at 200% wages.
  • Effective Wage Rate Formula = (Final Wage Rate - Previous Wage Rate)* 0.05 - Previous Wage Rate

Change in Effective Wage Rate = 0.05 * (Wage Rate Paid - Effective Wage Rate)

  • If wages were not fully paid in the previous tick, Wage Rate Paid will be set at minimum regardless of the amount of wages actually paid.

Offensive Military Efficiency

OME = (Base Military Efficiency + Training Grounds Bonus + Honor Bonus) * Science Bonus * Race Bonus * Personality Bonus * Fanaticism * Bloodlust * Ritual

Defensive Military Efficiency

DME = (Base Military Efficiency + Forts Bonus + Honor Bonus) * Science Bonus * Race Bonus * Personality Bonus * Minor Protection * Greater Protection * Fanaticism * Plague * Ritual

Attacking

Raw Offense

Raw Off = (Soldiers * (Soldier Off value + Aggression)) + (Offensive Specs * Off Spec Attack value) + (Elites * Elite Attack value) + (Horses * War Horse Attack value) + [(Mercs * Attack Value + Prisoners * Attack Value)]

Modified Offense

Mod Off = Raw Offense * (OME + General Bonus)

Condition Modifier
OME check your Military Advisor
General Bonus +5% per additional general over 1

Attack Times

Attack Time = Base Attack Time * Race Bonus * Personality Bonus * Barracks Bonus * Quick Feet * Attack Type * War * NW Mod * Ritual Bonus

  • Note: War Attack Speed phases in to -15%, after 12 hours of War have passed.
  • There is a net worth value adjustment for attack times. This adjustment compares your net worth to the net worth of the province you are planning to attack. If these are close to each other the base attack times as given below are used. If the net worth differs, then the base attack time is multiplied, so your attack time is longer. This does not affect intra-KD attacks or in War.

Base Attack Time

The base attack time is 14 hours. This is the value all calculations are based upon.

Minimum Offense to Win

To guarantee a win, you must send Mod Offense that is at least 1 greater than the defender's Mod Defense.

On Conquest attacks, the minimum Offense to win is 51% of the opponents Defense.

Attack Gains

For Attacks that target and capture Resources (Traditional March, Conquest, Plunder, Learn), the Gains are calculated as follows:

Gains = Target Resource * Attack Type * RPNW * RKNW * Multi-Attack Protection * Race Modifier * Personality Modifier * Castles Protection * Relations Modifier * Stance Modifier * Siege Science * Emerald Dragon * Attack Time Adjustment Factor * Ritual Bonus * Anonymity * Mist

  • Resources are defined as: Land, Gold Coins, Food, Runes, Science Books
  • Land attacks (except Ambush) also reward Military Credits (target's Defense Points *.008 * relative NW * Military Credits mod) and Building Credits (Acres captured * 0.4 * relative NW * Building Credits mod).
  • Raze ignores all modifiers except Relations, Multi-Attack Protection and the Attack Time Adjustment Factor.
  • Massacre ignores most Resource Gains modifiers, except RPNW, RKNW, Relations, Multi-Attack Protection and the Attack Time Adjustment Factor; Massacre is affected by Massacre Damage mod.
  • Ambush ignores all modifiers except increased/decreased Ambush Battle Losses mod.

Province Networth Factor

Relative Province Networth (rpnw) = Targets Networth / Self Networth
Province Networth Factor = DEPEND ( rpnw ) :
rpnw < 0.567 = 0
0.567 < rpnw < 0.9 = 3 * rpnw - 1.7
0.9 < rpnw < 1.1 = 1
1.1 < rpnw < 1.6 = -2 * rpnw + 3.2
rpnw > 1.6 = 0

Kingdom Networth Factor

Relative Kingdom Networth (rknw) = Target Kingdom Average Prov. Networth / Self Kingdom Average Prov. Networth
Kingdom Networth Factor = DEPEND ( rknw ) :
rknw < 0.5 = 0.8
0.5 < rknw < 0.9 = rknw / 2 + 0.55
rknw > 0.9 = 1

NOTE: RKNW is based on the Average Province size of the Kingdom.
NOTE: RKNW factor protection slightly increased in Age 112.

Attack Time Adjustment Factor

Adding or subtracting hours modifies the Gains (based on your Attack Time), as follows:

Attack Type

Traditional March

Base gains are 12% and are capped at 20% of your Acres or your opponent's Acres, whichever is smaller.

Ambush

Will return 50% of the Acres lost in the attack. Unaffected by Gains modifiers. Inflicts 15% increased Military Casualties.

Plunder

Base gains are 50% gold, 60% food and 60% runes. Max gains is 1.75x base (67.5% gold, 81% runes/food). Military Casualties on Plunder defense are reduced by 50%.

Learn

Steals ~2.5% Age 111 of target's allocated Books. Out of War Learns will no longer capture unallocated books at a greater rate. Age 110
During War, Learn temporarily removes ~35% Age 109 of total allocated Science Books, these return over 48 Ticks.
Military Casualties on Learn defense are reduced by 50%, except during war. Age 114

Raze

Destroys a portion (~5%) of the target's Land. In War, this attack only destroys ~30% Buildings.

Conquest

Base gains are 6.8% land for a full hit, Gains are decreased in proportion to the relative Offense sent vs. target's Defense.
Available only within 5% Net Worth range outside Hostile/War, unless attacker has access to Enhanced Conquest.

Massacre

Base gains are 9.5% peasants, 7.5% Thieves and 5% Wizards. Efficiency increased roughly 2x during War. Age 114

Defending

Raw Defense = (Defense Specs * Def Spec Points) + (Elites at Home * Elite's Defense) + (Soldiers * Sold Def Points * Aggression) + Townwatch
Mod Defense = MAX ( Raw Defense * Defensive Military Efficiency , Land )

Minimum Defense

All land is protected by a minimum of 1 defense per Acre.
Opponent needs one offense to break your defense
This does not apply to Intra-Kingdom attacks.

Military Casualties

Base Military Casualties are 6.5%-8.5% on Offense, 5%-6.5% on Defense.

Changelog

Age 42

  • Attacks
    • +25% gains on Learn Attacks (as in genesis)

Age 43

  • Attacks
    • Raze now destroys acres in war, too - razes after 200 acres do nothing in war

Age 44

  • Attacks
    • Raze destroys all acres in war

Age 54

  • Failed attacks have a chance to move the meter 1 point proportional to the amount of offense sent. An attack that fails by sending 70% of the offense required to break has a 70% chance to move the meter 1 point.
  • Plunder, Learn, Massacre and Raze are now worth 2 points on the meter

Age 55

  • The reduced gains protection afforded to smaller kingdom when attacked by larger kingdoms will be removed when the smaller kingdom reaches 50 points on the meter.
  • Intra kingdom hits will remove some honor from the attacked province.
  • Attacks in war will not take extra acres from the exploration pool.

Age 57

  • In War the minimum gains will be reduced by 50%
  • Players will be able to choose to extend or reduce their attack times to allow greater schedule flexibility. Additional hours will result in greater gains while minus hours will result in less gains and less enemy kills. The modified gains etc will be derived from the modification in attack time and will also be displayed.

Age 61

  • Massacre: Raze element in war removed. Damage in war increased.
  • Raze: Damage in war to buildings significantly increased.

Age 62

  • Learns
    • Protection from subsequent hits will fire more aggressively when provinces are Learned

Age 63

  • Specialist Credits: These will decay while out of war at a rate of 10% per RL day.

Age 69

  • Learns attacks are now replaced with Abduct attacks, which capture a number of random Scientists from your opponent. These scientists are captured intact with their experience, allocated science and name
  • Attack speed
    • Reduction in war buffed from -20% to -25%.

Age 71

  • The Raze attack's damage while in war has been increased
  • The attack gains formula has been adjusted slightly to discourage bottom-feeding and reduce the penalties for top-feeding
  • The in war attack gains formula has also been adjusted to increase minimum gains in both directions, with a larger increase for attacking larger targets

Age 72

  • Gains - Replace Networth Based Gains (NWBG) with a hybrid Land Based Gains (LBG) system that incorporates NW.

Age 73

  • Gains Throttling will be significantly more effective - Once the meter variance between Kingdoms is 50 points, each point over 50 will reduce gains by 1% up to a maximum of 75% at a variance of 125 meter points. Max meter will remain at 150
  • War Gains Formula - The top-feed minimum gains is being reduced slightly to accommodate the LBG top-feed bonuses from Age 72 (note this is only for Top Feed gains, all other gains remain the same)

Age 74

  • Abduct Military Casualties - Defensive military casualties on abducts has been reduced by 50%
  • Multi-Attack Protection (MAP) - The rate at which this metric increases for abducts has been adjusted to be a more adequate representation of the resources lost. Additionally, this metric has been revised slightly in other areas to be a better representation of damage that occurs in an attack.

Age 75

  • Abduct - Gains reduced
  • Relative Kingdom Networth - Currently this is a part of the gains formula and is based entirely on the overall size of your Kingdom vs the Opponent Kingdom. This will change to be based on the average province size of your Kingdom to be a more accurate representation of the Kingdom strength
  • Massacre - The damage of massacre will be reduced by roughly 10%
  • Conquest - Gains from Conquest attacks will be increased. The amount of offense required to break your opponent will remain the same but yield a higher gain

Age 76

  • Intra-Island attacks will no longer have reduced attack times
  • Base attack time will be recuded by 10%
  • Attack Gains Formula - Land component of gains formula will be removed and revert to a Networth based gains formula only
  • Conquest - Meter will work more consistently with attack mechanics

Age 77

  • Removal of abduct attack
  • The 10% reduced attack time granted instantly on War Declare will be removed
  • Attack speed reduction from war will slide in up to -25% over 12 ticks

Age 78

  • Kingdom vs Kingdom Gains Reduction - The Kingdom vs Kingdom gains reduction throttle formula will be adjusted slightly to reduce the throttle effectiveness for in-range Kingdoms
  • Learn Attack
    • While out of war, a Learn attack will be available, it will steal a portion of the target's unallocated books (base ~30%) and a portion of allocated books (base ~5%)
    • A portion of the stolen allocated books will be destroyed
    • A portion of the stolen allocated books will become unallocated for the source to re-allocate
    • Unallocated books and stolen allocated books that become unallocated will be placed into the same Category (see definition below) as they were in from the target
    • All other stolen books will remain in the same science Type (see definition below)
    • IN WAR Learn will reduce the effectiveness of target science, base reduction is currently planned ~4%, reduced science effectiveness will be removed upon entering End of War Cease-Fire

Age 79

  • Attack Time
    • Attack times will increase by ~10% (you may recall several ages ago the Island attack time reduction was expanded to the entire server, this is now being removed completely)
  • Learn Attack
    • Base amount of stolen allocated books will be reduced by about 50%
    • Troop losses on Learn defense will be reduced by 50%
    • In WAR base (effectiveness reduction) will be increased by roughly 50%

Age 86

  • Learn attack damage is significantly increased while in war (+50%)
  • Specialists credits from attacks have been increased by 20%

Age 87

  • All Traditional March Attacks convert some Specialists to Elites
  • Base Attack Time lowered to 14 ticks
  • Intra-KD Traditional March land burned from 80% to 90%

Age 88

  • Base Attack Time increased to 16 ticks

Age 89

  • Military Casualties on Plunder defense reduced by 50%

Age 90

  • Military Credits earned increased from Defense Points*0.004*RNW to Defense Points*0.008*RNW (in line with Military rescaling)
  • Available Generals lowered to 4, extra General Offense bonus increased to 5%
  • Raze Attack Gains floor lowered to 10 Acres (5 Acres when hitting into War stance)

Age 91

  • Being unable to pay full Military Wages will adjust down Military Efficiency at a faster rate
  • Relative-Kingdom Networth factor (RKNW) removed

Age 92

  • Attacking: intra-Kingdom attack speed will be reduced by 50%
  • LEARNS: Learn will take more from allocated science books and less from unallocated science books
    • +50% allocated science books over current values
    • -50% unallocated science books over current values

Age 93

  • Learn Attack now captures Science Books in War, with reduced Gains (50%)
  • Learn Attack amount of MAP (Multi-Attack Protection) generated increased by 75%
  • Learn Attack Gains adjusted (allocated Book gains decreased ~20% while Gains from unallocated Books roughly doubled)

Age 94

  • Learn Attack: no longer captures Science Books in War, it will reduce effectiveness similar to those seen with amnesia: Base gains of 5% effectiveness
  • Massacre Attack: Damage done to peasants increased 50% when in war

Age 95

  • Learn Attack: Will no longer benefit from -12.5% Attack Time reduction and has a gains cap of 10% of total books owned by the province using the Learn Attack
  • Plunder Attack: Will no longer benefit from -12.5% Attack Time reduction and has a gains cap of 75% for all resources targeted
  • Massacre's Attack: Will no longer benefit from -12.5% Attack Time reduction
  • Intra-Kingdom Traditional March attacks will be removed
  • Intra-Kingdom Traditional March previously had a higher minimum gains than Raze. With the removal of Traditional March as an option, Raze minimum gains has been modified to be the same as Traditional March (20).

Age 96

  • Base Attack time reduce to 14 hours (note the change to in war attack times)
  • Offense Specialists converting into Elites on successful Traditional Marches is being removed as a general mechanic to all Races.

Age 97

  • Specialists once again convert to Elite Units on successful Traditional March Attacks for all Races

Age 98

  • All Races convert specialists to elites on successful Traditional Marches and Conquest attacks

Age 99

  • Ambush Attack inflicts 15% increased Military Kills.
  • Peasant kills on Massacre Attack reduced ~30%.

Age 100

  • Attacks no longer convert Specialists to Elite units.
  • Wizards killed on Massacre Attack increased by ~20%. Thieves killed reduced by ~12%.
  • A Relative Kingdom Networth (RKNW) gains factor is being reintroduced. For targets in a Kingdom with networth less than 50% your own Kingdom NW gains will be reduced by 20%. This will be a linear scale down to 0% gains reduced at 90% relative Kingdom Networth. Gains will not be affected over 90%
  • Minimum Gains in War being increased from ~3.5% to ~4% (+15%)
  • Amnesia and Learn attacks during war will remove books temporarily. These books will return evenly over time, similar to the way Nightmare currently works on Military, except Science book recovery will take place over 24 ticks

Age 101

  • RKNW protection factor will now also apply to Defensive Military Casualties (of the smaller Kingdom), and the same scaling factor will apply as a penalty to Offensive Military Casualties (of the bigger Kingdom).

Age 102

  • Failed Attacks will increase the GBP/MAP of the defender, based on relative offense sent/defense, linearly scaling from 0 to half the amount of GBP/MAP generated on a successful Traditional March.

Age 103

  • Attack random factor removed. Attacks will now always succeed when Mod Offense sent is equal to at least Mod Defense +1.
  • Learn base unallocated gains reduced from 30% to 20%.
  • Learn 10% of own Science Books gains limit removed.
  • RKNW penalty to Offensive Military Casualties removed

Age 104

  • Resources/Gains will be standardized:
  • Resources are defined as: Land, Gold Coins, Food, Runes, Science Books
  • All Attack modifiers that include 'Resource Gains' or 'Resource Losses' will apply to Resources: Race/Personality bonuses and penalties, Castles, Siege Science, Dragons, Rituals, Mist, Anonymity, etc.
  • Net Worth Range and GBP/MAP apply as normal, except noted.
    • Traditional March: affected by Resource modifiers
    • Raze: not affected by Resource modifiers, ignores Net Worth range
    • Plunder: affected by Resource modifiers
    • Learn: affected by Resource modifiers
    • Massacre: not affected by Resource modifiers
    • Conquest: affected by Resource modifiers
    • Ambush: ignores all Resource modifiers, except Ambush Protection

Age 105

  • Massacre Wizard kills reduced (reverted from 6% to 5% base kills).
  • Learn Book damage in War increased from 24% to 30% (from ~12% to ~15% Science Efficiency damage). Book recovery time increased from 24 ticks to 48 ticks.

Age 106

  • War - Learns and Amnesia recovery time - Book recovery time set to 48 Utopian Days. - Age 105 change
  • War - Learns and Amnesia recovery time - Book recover back to 100% at end of war
  • Military casualties can be expected to be roughly 5-6.5% base on defense, 6.5-8.5% base on offense
  • Reviewing Age 102 change - Failed Attacks will increase the MAP of the defender, based on relative offense sent/defense, linearly scaling from 0 to half the amount of MAP generated on a successful Traditional March - Confirmed effect was implemented but results are non-obvious.
    • Modified to - Failed Attacks will increase the MAP of the defender, based on relative offense sent/defense, linearly scaling from 0 to half the amount of MAP generated on a successful Raze - Result: Less MAP per hit than previous age (calculated to be about 40% reduced MAP per hit).

Age 108

  • Massacre damage reduced by 15%
  • Removed bounced Attack MAP/GBP

Age 109

  • Learn Attack: Base gains are adjusted to ~2% of allocated books and ~30% of unallocated books During War, Learn temporarily removes ~35% of current allocated Science Books, these return over 48 Ticks

Age 110

  • Out of War Learns will no longer capture unallocated books at a greater rate
    • In war Learns will not change

Age 111

  • Learn attack gains increased by approximately 25%
  • Intra-Kingdom Raze minimum damage has been increased from 20 → 40
  • Failed Raze attacks will increase hostility meter at double the rate of any other attack, up to 2.99 points, based on the ratio of offense sent similar to how other failed attacks currently work

Age 112

  • Relative KD NW factor protection slightly increased

Age 113

  • New Out Of War Attack penalties:
    • When targeting a Kingdom that is less than 85% of both your Land and Networth the following attack modifiers exist:
      • Battle Gains –10%
      • Military Casualties +10%
      • Honor gains –25%