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Gammaton32 (talk | contribs) correction |
→Calculation: change calculation to dynamically pull from ItemData. also, I compared Magic Carpet and Diviner's Kevlar because I think 15 + 15 =/= 30 illustrates the diminishing returns a little clearer than Superior Duration's +28%, but you could use that instead since it's the most obvious duration item |
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'''Ability Duration''' determines how long the effect of abilities and items last. | '''Ability Duration''' determines how long the effect of abilities and items last. | ||
== Calculation == | |||
=== Calculating Ability Duration === | |||
Multiple sources of Ability Duration stack '''multiplicatively''', not additively: | |||
<math>\text{Total Ability Multiple sources of Ability Duration stack '''multiplicatively''', not additively:} = 1 - (1 - R_1) \times (1 - R_2) \dots</math> | |||
'''Example:''' | |||
With '''{{ItemData|{{#vardefineecho: Item1|Magic Carpet}}|BonusAbilityDurationPercent}}''' from {{ItemIcon|{{#var: Item1}}}} and '''{{ItemData|{{#vardefineecho: Item2|Diviner's Kevlar}}|BonusAbilityDurationPercent}}''' from {{ItemIcon|{{#var: Item2}}}}: | |||
# Convert percentages to decimals: {{ItemData|{{#var: Item1}}|BonusAbilityDurationPercent}} to {{#vardefineecho: Item1Duration|{{#expr: {{#replace: {{ItemData|{{#var: Item1}}|BonusAbilityDurationPercent}}|%|}} / 100}}}} and {{ItemData|{{#var: Item2}}|BonusAbilityDurationPercent}} to {{#vardefineecho: Item2Duration|{{#expr: {{#replace: {{ItemData|{{#var: Item2}}|BonusAbilityDurationPercent}}|%|}} / 100}}}}. | |||
# Subtract from 1: (1 - {{#var: Item1Duration}}) = '''{{#expr: 1 - {{#var: Item1Duration}}}}''' and (1 - {{#var: Item2Duration}}) = '''{{#expr: 1 - {{#var: Item2Duration}}}}'''. | |||
# Multiply the differences: {{#expr: 1 - {{#var: Item1Duration}}}} × {{#expr: 1 - {{#var: Item2Duration}}}} = '''{{#vardefineecho: CombinedItemDuration|{{#expr: (1 - {{#var: Item1Duration}}) * (1 - {{#var: Item2Duration}}) round 4}}}}'''. | |||
# Subtract from 1: 1 - {{#var: CombinedItemDuration}} = '''{{#expr: 1 - {{#var: CombinedItemDuration}} round 4}}'''. | |||
# Total Ability Duration bonus is '''{{#expr: (1 - {{#var: CombinedItemDuration}}) * 100 round 1}}%''', not {{#expr: ({{#var: Item1Duration}} + {{#var: Item2Duration}}) * 100 round 1}}%. | |||
== Sources of Ability Duration == | == Sources of Ability Duration == | ||
{{Item stat table|Ability Duration}} | {{Item stat table|Ability Duration}} | ||
{{Stat navbox}} | {{Stat navbox}} | ||
[[Category:Gameplay]] | [[Category:Gameplay]] | ||
Latest revision as of 17:09, 10 September 2026
Ability Duration determines how long the effect of abilities and items last.
Calculation
[edit | edit source]Calculating Ability Duration
[edit | edit source]Multiple sources of Ability Duration stack multiplicatively, not additively:
Example:
With 15% from 
Magic Carpet and 15% from 
Diviner's Kevlar:
- Convert percentages to decimals: 15% to 0.15 and 15% to 0.15.
- Subtract from 1: (1 - 0.15) = 0.85 and (1 - 0.15) = 0.85.
- Multiply the differences: 0.85 × 0.85 = 0.7225.
- Subtract from 1: 1 - 0.7225 = 0.2775.
- Total Ability Duration bonus is 27.8%, not 30%.
Sources of Ability Duration
[edit | edit source]This is a dynamic list "Ability Duration". Edit contents.
| Name |  Cost | Category | Stat change |
|---|---|---|---|
 Spiritual Overflow | 6,400 |  Weapon | +13% Ability Duration |
| Diviner's Kevlar | 6,400 |  Vitality | +15% Ability Duration |
 Arcane Surge | 1,600 |  Spirit | +15% Ability Duration |
 Duration Extender | 1,600 | Spirit | +22% Ability Duration |
 Superior Duration | 3,200 | Spirit | +28% Ability Duration |
| Magic Carpet | 6,400 | Spirit | +15% Ability Duration |
