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A [[starship|starship's]] '''shields''' are an integral part of any vessel, however unlike the hull where statistics like hull strength and repair rate are known, the shield array is a modular component so the shield capacity and regeneration rate are dependent on the type of shield that is installed, among other factors. A vessel's exact shield statistics are non-trivial to determine, but there are some simple rules to help a player calculate their value.
{{wip}}
 
 
A [[starship|starship's]] '''shields''' are an integral part of any vessel, however unlike the hull where statistics like hull strength and repair rate are known, the shield array is a modular component so the shield capacity and regeneration rate are dependent on the type of shield that is installed, amongst other factors. A vessel's exact shield statistics are non-trivial to determine, but there are some simple rules to help a player calculate their value.
 
   
 
Each shield array has three primary statistics; '''capacity''', '''regeneration rate''', and '''absorption'''. This guide describes the effects of each and how they are calculated.
 
Each shield array has three primary statistics; '''capacity''', '''regeneration rate''', and '''absorption'''. This guide describes the effects of each and how they are calculated.
Line 10: Line 8:
   
 
==Capacity==
 
==Capacity==
The '''capacity''' or '''strength''' of a ship's shield determines how much damage it can take before it fails. If a players overall style requires them to withstand sustained fire then a high shield capacity is desirable.
+
The '''capacity''' or '''strength''' of a ship's shield determines how much damage it can take before it fails. If a player's overall style requires them to withstand sustained fire then a high shield capacity is desirable.
   
A shield array has a basic capacity that a player can see on the item itself in the game's UI. This value is based on the statistics of the shield array itself and the ship that the player currently has set as their default. Whilst on the ground the player's ship will show this same value in the ship statistics window under the 'Defense' tab. Once in space though, other factors are taken into account such as consoles and player skills. This is the effective capacity while in space, and the ship statistics UI will reflect this.
+
A shield array has a basic capacity that a player can see on the item itself in the game's UI. This value is based on the statistics of the shield array itself and the ship that the player currently has set as their default. While on the ground the player's ship will show this same value in the ship Stats tab under the 'Defense' heading. Once in space though, other factors are taken into account such as consoles and player skills. This is the effective capacity while in space, and the ship statistics UI will reflect this.
   
 
Note that the numbers and formulae in this section are based on experimentation and are not confirmed by [[Cryptic]].
 
Note that the numbers and formulae in this section are based on experimentation and are not confirmed by [[Cryptic]].
   
 
===Basic Capacity===
 
===Basic Capacity===
The formula the calculate a shield array's capacity is as follows:
+
The formula to calculate a shield array's capacity is as follows:
   
 
Capacity = 2,500 × S × A × M × (T + K)
 
Capacity = 2,500 × S × A × M × (T + K)
   
 
Where:
 
Where:
* '''S''' is ship type bonus
+
* '''S''' is ship shield modifier
 
* '''A''' is the shield array type bonus
 
* '''A''' is the shield array type bonus
 
* '''M''' is the [[modifier]] bonus, +10% for each [Cap]
 
* '''M''' is the [[modifier]] bonus, +10% for each [Cap]
* '''T''' is the ship tier bonus; 15% for each tier above tier 1, minus 1%
+
* '''T''' is the ship tier bonus; see the below table
* '''K''' is the mark number or level modifier, depending on whether the shield array scales with the player
+
* '''K''' is the 5% the [[Mark]] number or, if the item scales with player, this modifier is 1% of the player's level
   
  +
<div style="float:left; margin-right: 35px;">
<div class="sitemap1">
 
  +
{| class="wikitable"
  +
|+ Mark Bonus
  +
!| Mark
  +
!| '''K'''
  +
|-
  +
| Mark 1
  +
| 5%
  +
|-
  +
| Mark 2
  +
| 10%
  +
|-
  +
| Mark 3
  +
| 15%
  +
|-
  +
| Mark 4
  +
| 20%
  +
|-
  +
| Mark 5
  +
| 25%
  +
|-
  +
| Mark 6
  +
| 30%
  +
|-
  +
| Mark 7
  +
| 35%
  +
|-
  +
| Mark 8
  +
| 40%
  +
|-
  +
| Mark 9
  +
| 45%
  +
|-
  +
| Mark 10
  +
| 50%
  +
|-
  +
| Mark 11
  +
| 55%
  +
|-
  +
| Mark 12
  +
| 60%
  +
|-
  +
| Mark 13
  +
| 70%
  +
|-
  +
| Mark 14
  +
| 100%
  +
|}
  +
</div>
  +
  +
<div style="float:left; margin-right: 35px;">
 
{| class="wikitable"
 
{| class="wikitable"
|+ Ship type bonus
+
|+ Standard Ship Shield Modifiers
 
!| Ship Type
 
!| Ship Type
 
!| '''S'''
 
!| '''S'''
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</div>
 
</div>
   
  +
<div style="float:left; margin-right: 35px;">
<div class="sitemap2">
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|+ Shield type bonus
 
|+ Shield type bonus
Line 61: Line 109:
 
|-
 
|-
 
| [[Regenerative Shield Array]]
 
| [[Regenerative Shield Array]]
  +
| 90%<ref>Regenerative Shield Array bonus was 85% before [[Season 4]], but is now 90%</ref>
| 85%
 
 
|-
 
|-
 
| [[Resilient Shield Array]]
 
| [[Resilient Shield Array]]
Line 70: Line 118:
 
|-
 
|-
 
| [[Covariant Shield Array]]
 
| [[Covariant Shield Array]]
  +
| 110%<ref>Covariant Shield Array bonus was 125% before [[Season 4]], but is now 110%</ref>
| 125%
 
 
|-
 
|-
 
| [[Paratrinic Shield Array]]
 
| [[Paratrinic Shield Array]]
  +
| 143% <ref>Paratrinic Shield Array bonus was 162.5% before [[Season 4]], but is now 143%</ref>
| 162.5%
 
 
|}
 
|}
 
</div>
 
</div>
   
<div class="sitemap3">
+
<div style="float:left;">
 
{| class="wikitable"
 
{| class="wikitable"
 
|+ Tier bonus
 
|+ Tier bonus
Line 97: Line 145:
 
| Tier 5
 
| Tier 5
 
| 159%
 
| 159%
  +
|-
  +
|Tier 6
  +
|159%
 
|}
 
|}
 
</div>
 
</div>
 
<div style="clear:both;"></div>
 
<div style="clear:both;"></div>
   
For any shield array that has a [[Mark]] number, the mark or level modifier '''K''' is equal to the mark multiplied by 5%. For instance a {{common|Shield Array Mk V}} will receive a bonus of 25%. Shield arrays that level with the player, such as the {{very rare|[[Aegis Technological Research#Aegis Covariant Shield Array|Aegis Covariant Shield Array]]}} or Borg {{very rare|[[Assimilated Borg Technology#Assimilated Regenerative Shield Array|Assimilated Regenerative Shield Array]]}}, the modifier '''K''' is determined by the player's level multiplied by 1%. For instance a [[Lieutenant Commander]] grade 7 gets a bonus of 16%, where as a [[Vice Admiral]] grade 1 receives a 51% bonus.
+
For any shield array that has a [[Mark]] number, the mark or level modifier '''K''' is equal to the mark multiplied by 5%. For instance a {{common|Shield Array Mk V}} will receive a bonus of 25%. Mark 13 and 14 shields don't follow this rule. Mark 13 shields have a modifier of 70% and Mark 14 shields have a modifier of 100%.
   
  +
Shield arrays that level with the player, such as the {{very rare|[[Aegis Technological Research#Aegis Covariant Shield Array|Aegis Covariant Shield Array]]}} or Borg {{very rare|[[Assimilated Borg Technology#Assimilated Regenerative Shield Array|Assimilated Regenerative Shield Array]]}}, the modifier '''K''' is determined by the player's level multiplied by 1%. For instance a [[Lieutenant Commander]] grade 7 gets a bonus of 17%, where as a [[Vice Admiral]] grade 1 receives a 51% bonus.
===Effective Capacity===
 
Once out in space, the capacity of the shield array itself will read the same. The actual capacity though, shown in the ship statistics window, is modified by [[Skills#Starfleet Training|Starfleet Training]] skills and console upgrades.
 
   
  +
Reputation shields like the [[Iconian Resistance Resilient Shield Array]] can come with hidden [Cap] modifiers.
The skill {{skill|Starship Command}} applies to all types of vessel, and gives a number of points. These points are cumulative with other skills such as {{skill|Cruiser Captain}}, {{skill|Heavy Cruiser Captain}}, etc... The shield capacity will receive a ~0.19% bonus for each total points.
 
   
  +
===Effective Capacity===
Effective = Capacity × (1 + 0.001964 × Points)
 
  +
Once out in space, the capacity of the shield array itself will read the same. The actual capacity though, shown in the ship statistics window, is modified by [[Skill#Starfleet Training|Starfleet Training]] skills and console upgrades.
   
  +
The [[Skill: Shield Capacity]] applies to all types of vessel, and gives a bonus .3% shield capacity per point. In addition there are various sources of +X% Maximum Shield Capacity in the game including consoles, T6 ship mastery, the Strategist captain specialization etc. This results in the following equation for effective capacity.
'''NOTE: THIS FORMULA IS HIGHLY APPROXIMATE AND HAS BEEN FOUND TO BE SLIGHTLY INACCURATE IN SOME CASES. ALSO, THE EFFECT OF CONSOLES HAS NOT YET BEEN FACTORED IN. MORE WORK IS NEEDED HERE.'''
 
  +
Effective Capacity = C * (1 + (K * .3%) + B))
 
  +
Where:
Players should note that shield capacity is unaffected by power levels, or by any skills outside the [[Skills#Starfleet Training|Starfleet Training]] (also called Command) section.
 
  +
* '''C''' = Basic Capacity
  +
* '''K''' = [[Skill: Shield Capacity]] skill Points
  +
* '''B''' = Sum of all + % Maximum Shield Capacity sources used
  +
Players should note that shield capacity is unaffected by power levels.
   
 
===Examples===
 
===Examples===
Line 118: Line 173:
   
 
====Tier 1 [[Light Cruiser]] with {{common|Shield Array Standard Issue}}====
 
====Tier 1 [[Light Cruiser]] with {{common|Shield Array Standard Issue}}====
[[File:Shield_Guide_Example_1.png|thumb|right|Actual in-game values]]
+
[[File:Shield_Guide_Example1.png|thumb|right|Actual in-game values]]
   
 
* '''S''' = 100% (Cruiser)
 
* '''S''' = 100% (Cruiser)
* '''A''' = 100% (Regular shield)
+
* '''A''' = 100% ([[Shield Array]])
 
* '''M''' = 100% (No modifiers)
 
* '''M''' = 100% (No modifiers)
 
* '''T''' = 100% (Tier 1)
 
* '''T''' = 100% (Tier 1)
 
* '''K''' = 0 (Standard Issue is effectively Mk 0)
 
* '''K''' = 0 (Standard Issue is effectively Mk 0)
  +
* '''B''' = 0 (No +X% Shield Capacity)
   
 
Clearly, the result is:
 
Clearly, the result is:
Line 131: Line 187:
 
= '''2,500'''
 
= '''2,500'''
   
Lets say this ship's captain has seven ranks in {{skill|Starship Command}}, giving a bonus of 17 points.
+
Lets say this ship's captain has two ranks in [[Skill: Shield Capacity]], giving a bonus of 85 points.
   
Effective = 2,500 × (1 + 0.001964 × 17)
+
Effective = 2,500 × (1 + 0.003 × 85 + 0)
= 2,500 × 1.033388
+
= 2,500 × 1.255
= 2,583.47
+
= 3,137.5
= '''2,583'''
+
= '''3,137'''
   
We can see that the ship gained a 3.3% bonus to its effective shield capacity. Now lets try something more complex...
+
We can see that the ship gained a 25.5% bonus to its effective shield capacity. Now lets try something more complex...
   
====Tier 2 [[Escort_(Federation)|Escort]] with a {{rare|[[Paratrinic Shield Array]] Mk IV}}====
+
====Tier 4 [[Tactical Escort Retrofit]] with a {{uncommon|[[Covariant Shield Array]] Mk III}}====
[[File:Shield_Guide_Example_2.png|thumb|right|Actual in-game values]]
+
[[File:Shield_Guide_Example2.png|thumb|right|Actual in-game values]]
   
 
* '''S''' = 90% (Escort)
 
* '''S''' = 90% (Escort)
* '''A''' = 162.5% (Paratrinic shield)
+
* '''A''' = 110% ([[Covariant Shield Array]])
 
* '''M''' = 100% (No modifiers)
 
* '''M''' = 100% (No modifiers)
* '''T''' = 114% (Tier 2)
+
* '''T''' = 144% (Tier 4)
* '''K''' = 120% (+5% × Mk 4)
+
* '''K''' = 15% (+5% × Mk 3)
  +
* '''B''' = 0 (No +X% Shield Capacity)
   
 
The overall capacity for this shield array will be:
 
The overall capacity for this shield array will be:
   
Capacity = 2,500 × 0.90 × 1.625 × 1.00 × (1.14 + 0.20)
+
Capacity = 2,500 × 0.90 × 1.1 × 1.00 × (1.44 + 0.15)
= 2,500 × 1.4625 × (1.34)
+
= 2,500 × .99 × (1.59)
= 2,500 × 1.95975
+
= 2,500 × 1.5741
= 4,899.375
+
= 3,935.25
= '''4,899'''
+
= '''3,935'''
   
The captain of this vessel has seven ranks of {{skill|Starship Command}} and all nine ranks of {{skill|Escort Captain}}, giving a total bonus of 47 points.
+
The captain of this vessel has 1 rank of [[Skill: Shield Capacity]] which gives 50 points, 10 points from the selection of Maximum Shield Capacity in the science skill tree and 10 points from his epic quality deflector array for a total of 70 point of [[Skill: Shield Capacity]].
   
Effective = 4,899 × (1 + 0.001964 × 47)
+
Effective = 3,935 × (1 + 0.003 × 70 + 0)
= 4,899 × 1.092308
+
= 3,935 × 1.21
= 5,351.216892
+
= 4,761.35
= '''5,351'''
+
= '''4,761'''
   
  +
====Tier 6 [[Temporal Multi-Mission Science Vessel]] with an {{Epic|[[Iconian Resistance Resilient Shield Array]] Mk XIV [Cp/Rg][Reg]}}====
This time the ship gained a 9.2% bonus to effective shield strength from skill points.
 
  +
[[File:Shield_Guide_Example3.png|thumb|right|Actual in-game values]]
   
  +
* '''S''' = 147.5% - T6 ships often have additional shield modifier. See their wiki entry for the shield modifier
====Tier 3 [[Research Science Vessel]] with a {{uncommon|[[Resilient Shield Array]] Mk VI [Cap]}}====
 
  +
* '''A''' = 95% ([[Resilient Shield Array]])
 
  +
* '''M''' = 130% (+10% [Cap] × 3) - This shield has two hidden [Cap] modifiers plus one for being Epic
* '''S''' = 130% (Science Vessel)
 
* '''A''' = 95% (Resilient shield)
+
* '''T''' = 159% (Tier 6)
* '''M''' = 110% (+10% [Cap])
+
* '''K''' = 100% (Mark 14)
* '''T''' = 129% (Tier 3)
+
* '''B''' = 20% (No +X% Shield Capacity)
* '''K''' = 130% (+5% × Mk 6)
 
   
 
The overall shield capacity for this vessel will be:
 
The overall shield capacity for this vessel will be:
   
Capacity = 2,500 × 1.00 × 0.95 × 1.10 × (1.29 + 0.30)
+
Capacity = 2,500 × 1.475 × .95 × 1.30 × (1.59 + 1)
= 2,500 × 1.045 × (1.59)
+
= 2,500 × 1.821625 × (2.59)
= 2,500 × 1.66155
+
= 2,500 × 4.71800875
= 4,153.875
+
= 11,795.021875
= '''4,154'''
+
= '''11,795'''
   
In addition to the general skills used by the previous captain, this ship's captain has skills to specifically modify the class of ship they are using:
+
This time the captain has a typical set of captain skills which modify the statistics of their chosen ship type:
  +
* 100 points of [[Skill: Shield Capacity]] from 3 ranks
* Seven ranks of {{skill|Starship Command}} giving 17 points
 
  +
* 10 points of [[Skill: Shield Capacity]] from {{Epic|[[Solanae Deflector Array]] Mk XIV [EPG][Sh/HullCap]}}
* Nine ranks of {{skill|Science Vessel Captain}} giving 30 points
 
  +
* 10 points of [[Skill: Shield Capacity]] from the selection of Maximum Shield Capacity in the science skill tree
* Nine ranks of {{skill|Research Science Vessel Captain}} giving 52 points
 
  +
* +10% Maximum Shield Capacity from T6 ship mastery
This gives a total bonus of 99 points.
 
  +
* +10% Maximum Shield Capacity from the Strategist captain specialization
   
Effective = 6,453 × (1 + 0.001964 × 99)
+
Effective = 11,795 × (1 + 0.003 × (100 + 10 + 10) + .1 + .1)
= 6,453 × 0.194436
+
= 11,795 × 1.56
= 6,453.727492
+
= 18,400.234125
= '''8,367'''
+
= '''18,400'''
   
  +
==Regeneration==
This gives a healthy 19.4% bonus to effective shield capacity.
 
   
  +
=== Basic Regeneration ===
====Tier 5 [[Assault Cruiser]] with a {{Very Rare|[[Covariant Shield Array]] Mk X [Cap]x3}}====
 
  +
The formula to calculate a shield array's tool tip regeneration is as follows:
[[File:Shield_Guide_Example_4.png|thumb|right|Actual in-game values]]
 
   
  +
Regeneration every 6 seconds = 125 x A x S × M × (T + K)
* '''S''' = 100% (Cruiser)
 
* '''A''' = 125% (Covariant shield)
 
* '''M''' = 130% (+10% [Cap] × 3)
 
* '''T''' = 159% (Tier 5)
 
* '''K''' = 150% (+5% × Mk 10)
 
   
  +
Where:
The overall shield capacity for this vessel will be:
 
  +
* '''A''' is the shield array type bonus; see the below table
  +
* '''S''' is ship shield modifier
  +
* '''M''' is 100% plus the sum of all bonus +X% Shield Regeneration sources, +10% for each [Reg] modifier
  +
* '''T''' is the ship tier bonus; see the below table
  +
* '''K''' is the 5% the [[Mark]] number or, if the item scales with player, this modifier is 1% of the player's level
   
  +
<div class="sitemap1">
Capacity = 2,500 × 1.00 × 1.25 × 1.30 × (1.59 + 0.50)
 
  +
{| class="wikitable"
= 2,500 × 1.625 × (2.09)
 
  +
|+ Mark Bonus
= 2,500 × 3.39625
 
  +
!| Mark
= 8,490.625
 
= '''8,491'''
+
!| '''K'''
  +
|-
  +
| Mark 1
  +
| 5%
  +
|-
  +
| Mark 2
  +
| 10%
  +
|-
  +
| Mark 3
  +
| 15%
  +
|-
  +
| Mark 4
  +
| 20%
  +
|-
  +
| Mark 5
  +
| 25%
  +
|-
  +
| Mark 6
  +
| 30%
  +
|-
  +
| Mark 7
  +
| 35%
  +
|-
  +
| Mark 8
  +
| 40%
  +
|-
  +
| Mark 9
  +
| 45%
  +
|-
  +
| Mark 10
  +
| 50%
  +
|-
  +
| Mark 11
  +
| 55%
  +
|-
  +
| Mark 12
  +
| 60%
  +
|-
  +
| Mark 13
  +
| 70%
  +
|-
  +
| Mark 14
  +
| 100%
  +
|}
  +
</div>
   
  +
<div class="sitemap2">
This time the captain has a typical set of captain skills which modify the statistics of their chosen ship type:
 
  +
{| class="wikitable"
* Seven ranks of {{skill|Starship Command}} giving 17 points
 
  +
|+ Standard Ship Shield Modifiers
* Nine ranks of {{skill|Cruiser Captain}} giving 30 points
 
  +
!| Ship Type
* Nine ranks of {{skill|Heavy Cruiser Captain}} giving 26 points (50% of 52)
 
  +
!| '''S'''
* Nine ranks of {{skill|Exploration Cruiser Captain}} giving 26 points (50% of 52)
 
  +
|-
* Nine ranks of {{skill|Assault Cruiser Captain}} giving 52 points
 
  +
| [[Shuttle]]
This gives a total bonus of 151 points.
 
  +
| 50%
  +
|-
  +
| [[Klingon Bird-of-Prey|Bird-of-Prey]]
  +
| 80%
  +
|-
  +
| [[Raptor]]
  +
| 83.3%
  +
|-
  +
| [[Federation Escort|Escort]]
  +
| 90%
  +
|-
  +
| [[Cruiser]]
  +
| 100%
  +
|-
  +
| [[Federation Science Vessel|Science Vessel]]
  +
| 130%
  +
|}
  +
</div>
   
  +
<div class="sitemap3">
Effective = 8,491 × (1 + 0.001964 × 151)
 
  +
{| class="wikitable"
= 8,491 × 1.296564
 
  +
|+ Shield type bonus
= 11,008.6387125
 
  +
!| Shield Type
= '''11,009'''
 
  +
!| '''A'''
  +
|-
  +
| [[Paratrinic Shield Array]]
  +
| 50%
  +
|-
  +
| [[Covariant Shield Array]]
  +
| 75%
  +
|-
  +
| [[Resilient Shield Array]]
  +
| 95%
  +
|-
  +
| [[Shield Array]]
  +
| 100%
  +
|-
  +
| [[Regenerative Shield Array]]
  +
| 125%
  +
|}
  +
</div>
   
  +
<div class="sitemap4">
At tier five with a full set of captain skills, the ship gains 29.6% bonus to effective shield strength. This emphasizes the importance of a players choice of ship respective to their skills.
 
  +
{| class="wikitable"
  +
|+ Tier bonus
  +
!| Ship Tier
  +
!| '''T'''
  +
|-
  +
| Tier 1
  +
| 100%
  +
|-
  +
| Tier 2
  +
| 114%
  +
|-
  +
| Tier 3
  +
| 129%
  +
|-
  +
| Tier 4
  +
| 144%
  +
|-
  +
| Tier 5
  +
| 159%
  +
|-
  +
|Tier 6
  +
|159%
  +
|}
  +
</div>
  +
<div style="clear:both;"></div>
  +
  +
For any shield array that has a [[Mark]] number, the mark or level modifier '''K''' is equal to the mark multiplied by 5%. For instance a {{common|Shield Array Mk V}} will receive a bonus of 25%. Mark 13 and 14 shields don't follow this rule. Mark 13 shields have a modifier of 70% and Mark 14 shields have a modifier of 100%.
  +
  +
Shield arrays that level with the player, such as the {{very rare|[[Aegis Technological Research#Aegis Covariant Shield Array|Aegis Covariant Shield Array]]}} or Borg {{very rare|[[Assimilated Borg Technology#Assimilated Regenerative Shield Array|Assimilated Regenerative Shield Array]]}}, the modifier '''K''' is determined by the player's level multiplied by 1%. For instance a [[Lieutenant Commander]] grade 7 gets a bonus of 17%, where as a [[Vice Admiral]] grade 1 receives a 51% bonus.
  +
  +
Reputation shields like the [[Iconian Resistance Resilient Shield Array]] can come with hidden [Reg] modifiers.
  +
  +
=== Effective Regeneration ===
  +
The formula the calculate a ship's effective shield regeneration is as follows:
  +
Regeneration every 6 seconds = S × M × (T + K) x (125 x A x P + 2500 * R)
  +
Where (in addition to the definitions from the Basic Regeneration calculation):
  +
* '''P''' is the shield power bonus which can be calculated as 1+(Power-50)*2%
  +
* '''R''' is the % increase for the [[Skill: Shield Regeneration]] which is .1% times the number of skill points
  +
  +
Note that when using this formula and comparing to the in-game result you must either calculate your actual shield power level, or remove all soruces of fractional shield power level like [[Warp Core|Warp Cores]], the [[Efficient]] trait, and [[Skill: Warp Core Efficiency|Warp Core Efficiency]].
  +
  +
==Shield Resistance==
  +
  +
Shield resistance is modified by a number of things. Some shields have innate resistances, and some abilities, including [[Ability:_Transfer_Shield_Strength|Transfer Shield Strength]], [[Ability:_Extend_Shields|Extend Shields]], [[Ability:_Rotate_Shield_Frequency|Rotate Shield Frequency]], [[Ability:_Emergency_Power_to_Shields|Emergency Power to Shields]], and others, increase shield resistance. Shield resistance is affected by Shield power level per the formula shield power * .2% = damage resistance. Shield resistance is also affected by [[Skill: Shield Hardness]] per the formula Shield Hardness points * .2% = damage resistance.
  +
  +
The shield damage resistance values are multiplicative. They are scalers that multiply against the incoming damage.
  +
  +
For example, an ability that grants a 25% shield damage resistance is actually multiplying the damage by .75. On its own, this will result in a 25% damage reduction.
  +
  +
When more than one shield damage resistance ability is being applied, the scalers are multiplied. Two abilities that grant a listed 25% shield damage resistance would actually look like this:
  +
  +
.75 * .75 = .5625 * incoming damage (or an approx. 44% damage resistance).
  +
  +
There is a maximum of 75% damage resistance. In other words, the final multiplier to incoming damage can't be less than 25%.
   
==Regeneration==
 
The regeneration value is modified by your shield power. At 50 shield power, you have the number listed in a shield's description. For every point above 50, you shield regeneration value increases by 4 %, and for every below, it reduces by 4 %.
 
Formula: (1 + (Power Level - 50) / 25) x Base Regeneration at 50. Note that this formula doesn't really apply below 25 power - you would normally get a negative regeneration then, but this is not applied to your ship. Otherwise, you would lose shields at Full Impulse. Only if you are using an ability that brings your shield power to 0 do you lose shield capacity.
 
<ref>[http://forums.startrekonline.com/showthread.php?t=195971 A Shield Guide - Comparisons and Charts] at the Star Trek Online Forums</ref>
 
 
==Absorption==
 
==Absorption==
By Default all shields have 10% bleed-through and 0% absorption.
+
By default, shields have 10% bleed-through and 0% absorption. Resilient shields are an exception, having 5% bleed-through and 5% absorption.
   
 
==External Links==
 
==External Links==

Revision as of 00:02, 24 April 2017

A starship's shields are an integral part of any vessel, however unlike the hull where statistics like hull strength and repair rate are known, the shield array is a modular component so the shield capacity and regeneration rate are dependent on the type of shield that is installed, among other factors. A vessel's exact shield statistics are non-trivial to determine, but there are some simple rules to help a player calculate their value.

Each shield array has three primary statistics; capacity, regeneration rate, and absorption. This guide describes the effects of each and how they are calculated.

This guide is intended first to demystify the way shields work, and second to help guide players in choosing the most appropriate shield array for their playing style.

Note that this guide does not cover Personal Shields, though they are likely to follow similar rules.

Capacity

The capacity or strength of a ship's shield determines how much damage it can take before it fails. If a player's overall style requires them to withstand sustained fire then a high shield capacity is desirable.

A shield array has a basic capacity that a player can see on the item itself in the game's UI. This value is based on the statistics of the shield array itself and the ship that the player currently has set as their default. While on the ground the player's ship will show this same value in the ship Stats tab under the 'Defense' heading. Once in space though, other factors are taken into account such as consoles and player skills. This is the effective capacity while in space, and the ship statistics UI will reflect this.

Note that the numbers and formulae in this section are based on experimentation and are not confirmed by Cryptic.

Basic Capacity

The formula to calculate a shield array's capacity is as follows:

Capacity = 2,500 × S × A × M × (T + K)

Where:

  • S is ship shield modifier
  • A is the shield array type bonus
  • M is the modifier bonus, +10% for each [Cap]
  • T is the ship tier bonus; see the below table
  • K is the 5% the Mark number or, if the item scales with player, this modifier is 1% of the player's level
Mark Bonus
Mark K
Mark 1 5%
Mark 2 10%
Mark 3 15%
Mark 4 20%
Mark 5 25%
Mark 6 30%
Mark 7 35%
Mark 8 40%
Mark 9 45%
Mark 10 50%
Mark 11 55%
Mark 12 60%
Mark 13 70%
Mark 14 100%
Standard Ship Shield Modifiers
Ship Type S
Shuttle 50%
Bird-of-Prey 80%
Raptor 83.3%
Escort 90%
Cruiser 100%
Science Vessel 130%
Tier bonus
Ship Tier T
Tier 1 100%
Tier 2 114%
Tier 3 129%
Tier 4 144%
Tier 5 159%
Tier 6 159%

For any shield array that has a Mark number, the mark or level modifier K is equal to the mark multiplied by 5%. For instance a Shield Array Mk V will receive a bonus of 25%. Mark 13 and 14 shields don't follow this rule. Mark 13 shields have a modifier of 70% and Mark 14 shields have a modifier of 100%.

Shield arrays that level with the player, such as the Aegis Covariant Shield Array or Borg Assimilated Regenerative Shield Array, the modifier K is determined by the player's level multiplied by 1%. For instance a Lieutenant Commander grade 7 gets a bonus of 17%, where as a Vice Admiral grade 1 receives a 51% bonus.

Reputation shields like the Iconian Resistance Resilient Shield Array can come with hidden [Cap] modifiers.

Effective Capacity

Once out in space, the capacity of the shield array itself will read the same. The actual capacity though, shown in the ship statistics window, is modified by Starfleet Training skills and console upgrades.

The Skill: Shield Capacity applies to all types of vessel, and gives a bonus .3% shield capacity per point. In addition there are various sources of +X% Maximum Shield Capacity in the game including consoles, T6 ship mastery, the Strategist captain specialization etc. This results in the following equation for effective capacity.

Effective Capacity = C * (1 + (K * .3%) +  B))

Where:

  • C = Basic Capacity
  • K = Skill: Shield Capacity skill Points
  • B = Sum of all + % Maximum Shield Capacity sources used

Players should note that shield capacity is unaffected by power levels.

Examples

To illustrate the formulae above, there follow some examples based on typical configurations. This also serves to demonstrate that the formulae do actually reflect the real in-game values, albeit approximately. The screenshots in each example below show two values for shield capacity. The value shown in the box on the right is the basic capacity, and the value under the Defense tab is the effective capacity.

Tier 1 Light Cruiser with Shield Array Standard Issue

Shield Guide Example1

Actual in-game values

  • S = 100% (Cruiser)
  • A = 100% (Shield Array)
  • M = 100% (No modifiers)
  • T = 100% (Tier 1)
  • K = 0 (Standard Issue is effectively Mk 0)
  • B = 0 (No +X% Shield Capacity)

Clearly, the result is:

Capacity = 2,500 × 1.00 × 1.00 × 1.00 × (1.00 + 0)
         = 2,500

Lets say this ship's captain has two ranks in Skill: Shield Capacity, giving a bonus of 85 points.

Effective = 2,500 × (1 + 0.003 × 85 + 0)
          = 2,500 × 1.255
          = 3,137.5
          = 3,137

We can see that the ship gained a 25.5% bonus to its effective shield capacity. Now lets try something more complex...

Tier 4 Tactical Escort Retrofit with a Covariant Shield Array Mk III

Shield Guide Example2

Actual in-game values

  • S = 90% (Escort)
  • A = 110% (Covariant Shield Array)
  • M = 100% (No modifiers)
  • T = 144% (Tier 4)
  • K = 15% (+5% × Mk 3)
  • B = 0 (No +X% Shield Capacity)

The overall capacity for this shield array will be:

Capacity = 2,500 × 0.90 × 1.1 × 1.00 × (1.44 + 0.15)
         = 2,500 × .99 × (1.59)
         = 2,500 × 1.5741
         = 3,935.25
         = 3,935

The captain of this vessel has 1 rank of Skill: Shield Capacity which gives 50 points, 10 points from the selection of Maximum Shield Capacity in the science skill tree and 10 points from his epic quality deflector array for a total of 70 point of Skill: Shield Capacity.

Effective = 3,935 × (1 + 0.003 × 70 + 0)
          = 3,935 × 1.21
          = 4,761.35
          = 4,761

Tier 6 Temporal Multi-Mission Science Vessel with an Iconian Resistance Resilient Shield Array Mk XIV [Cp/Rg][Reg]

Shield Guide Example3

Actual in-game values

  • S = 147.5% - T6 ships often have additional shield modifier. See their wiki entry for the shield modifier
  • A = 95% (Resilient Shield Array)
  • M = 130% (+10% [Cap] × 3) - This shield has two hidden [Cap] modifiers plus one for being Epic
  • T = 159% (Tier 6)
  • K = 100% (Mark 14)
  • B = 20% (No +X% Shield Capacity)

The overall shield capacity for this vessel will be:

Capacity = 2,500 × 1.475 × .95 × 1.30 × (1.59 + 1)
         = 2,500 × 1.821625 × (2.59)
         = 2,500 × 4.71800875
         = 11,795.021875
         = 11,795

This time the captain has a typical set of captain skills which modify the statistics of their chosen ship type:

Effective = 11,795 × (1 + 0.003 × (100 + 10 + 10) + .1 + .1)
          = 11,795 × 1.56
          = 18,400.234125
          = 18,400

Regeneration

Basic Regeneration

The formula to calculate a shield array's tool tip regeneration is as follows:

Regeneration every 6 seconds = 125 x A x S × M × (T + K)

Where:

  • A is the shield array type bonus; see the below table
  • S is ship shield modifier
  • M is 100% plus the sum of all bonus +X% Shield Regeneration sources, +10% for each [Reg] modifier
  • T is the ship tier bonus; see the below table
  • K is the 5% the Mark number or, if the item scales with player, this modifier is 1% of the player's level
Mark Bonus
Mark K
Mark 1 5%
Mark 2 10%
Mark 3 15%
Mark 4 20%
Mark 5 25%
Mark 6 30%
Mark 7 35%
Mark 8 40%
Mark 9 45%
Mark 10 50%
Mark 11 55%
Mark 12 60%
Mark 13 70%
Mark 14 100%
Standard Ship Shield Modifiers
Ship Type S
Shuttle 50%
Bird-of-Prey 80%
Raptor 83.3%
Escort 90%
Cruiser 100%
Science Vessel 130%
Tier bonus
Ship Tier T
Tier 1 100%
Tier 2 114%
Tier 3 129%
Tier 4 144%
Tier 5 159%
Tier 6 159%

For any shield array that has a Mark number, the mark or level modifier K is equal to the mark multiplied by 5%. For instance a Shield Array Mk V will receive a bonus of 25%. Mark 13 and 14 shields don't follow this rule. Mark 13 shields have a modifier of 70% and Mark 14 shields have a modifier of 100%.

Shield arrays that level with the player, such as the Aegis Covariant Shield Array or Borg Assimilated Regenerative Shield Array, the modifier K is determined by the player's level multiplied by 1%. For instance a Lieutenant Commander grade 7 gets a bonus of 17%, where as a Vice Admiral grade 1 receives a 51% bonus.

Reputation shields like the Iconian Resistance Resilient Shield Array can come with hidden [Reg] modifiers.

Effective Regeneration

The formula the calculate a ship's effective shield regeneration is as follows:

Regeneration every 6 seconds = S × M × (T + K) x (125 x A x P + 2500 * R)

Where (in addition to the definitions from the Basic Regeneration calculation):

  • P is the shield power bonus which can be calculated as 1+(Power-50)*2%
  • R is the % increase for the Skill: Shield Regeneration which is .1% times the number of skill points

Note that when using this formula and comparing to the in-game result you must either calculate your actual shield power level, or remove all soruces of fractional shield power level like Warp Cores, the Efficient trait, and Warp Core Efficiency.

Shield Resistance

Shield resistance is modified by a number of things. Some shields have innate resistances, and some abilities, including Transfer Shield Strength, Extend Shields, Rotate Shield Frequency, Emergency Power to Shields, and others, increase shield resistance. Shield resistance is affected by Shield power level per the formula shield power * .2% = damage resistance. Shield resistance is also affected by Skill: Shield Hardness per the formula Shield Hardness points * .2% = damage resistance.

The shield damage resistance values are multiplicative. They are scalers that multiply against the incoming damage.

For example, an ability that grants a 25% shield damage resistance is actually multiplying the damage by .75. On its own, this will result in a 25% damage reduction.

When more than one shield damage resistance ability is being applied, the scalers are multiplied. Two abilities that grant a listed 25% shield damage resistance would actually look like this:

.75 * .75 = .5625 * incoming damage (or an approx. 44% damage resistance).

There is a maximum of 75% damage resistance. In other words, the final multiplier to incoming damage can't be less than 25%.

Absorption

By default, shields have 10% bleed-through and 0% absorption. Resilient shields are an exception, having 5% bleed-through and 5% absorption.

External Links

References

  1. Regenerative Shield Array bonus was 85% before Season 4, but is now 90%
  2. Covariant Shield Array bonus was 125% before Season 4, but is now 110%
  3. Paratrinic Shield Array bonus was 162.5% before Season 4, but is now 143%