Lifesteal: Difference between revisions
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Lifesteal is a stat | '''Lifesteal''' is a mechanic which heals a player by a portion of the damage they deal to an opponent. There are two main types of lifesteal, each with an associated [[stats|stat]]: {{plink|Bullet Lifesteal}}, which returns a portion of the [[Bullet Damage|bullet damage]] dealt, and {{plink|Spirit Lifesteal}}, which returns a portion of the [[Spirit Damage|spirit damage]] dealt. Bullet and Spirit Lifesteal are calculated identically, but are affected by different [[item|items]]. | ||
== Formula == | |||
Despite being presented in-game as +X% Bullet/Spirit Lifesteal, different sources of lifesteal stack multiplicatively, not additively. With <math>n</math> different sources of the same category of lifesteal, final lifesteal <math>L_F</math> is given by: | |||
<math>L_F = 1 - \prod_{i=1}^n (1 - L_i)</math><br/><!--this is rounded, but the game displays two different calculations where one is rounded up, and the other is rounded down--> | |||
where <math>L_i</math> is the lifesteal provided by the <math>i</math>th source. Bullet and Spirit Lifesteal are calculated independently of each other, but both use the same formula. | |||
=== Example === | |||
With 10% Bullet Lifesteal from {{item|Crippling Headshot}} and 35% Bullet Lifesteal from {{item|Leech}}, the player's final bullet lifesteal is: | |||
<math>L_F = 1 - (1 - 0.10) \times (1 - 0.35) = 41.5%</math><!--the stat ingame says 42%, but the calculation on hover says 41%--> | |||
This means that any time the player deals bullet damage to any opponent (including [[denizen|denizens]]), they will immediately be healed by 41.5% of the damage dealt. Note that the in-game user interface is inconsistent in how it rounds the final lifesteal percentage. | |||
== Bullet Lifesteal == | |||
{{:Bullet Lifesteal (stat)}} | |||
== Spirit Lifesteal == | |||
{{:Spirit Lifesteal (stat)}} | |||
== Melee Lifesteal == | |||
{{main|Melee Lifesteal|Lifestrike}} | |||
Melee Lifesteal is not a stat. The item {{item|Melee Lifesteal}} and its upgrade {{item|Lifestrike}} both provide a passive ability which heals the user by a percentage of their [[Melee Damage|melee damage]] dealt, but they behave differently from Bullet and Spirit Lifesteal. These abilities activate for one melee attack, then go on cooldown for several seconds, during which no further health can be regained from melee attacks; Bullet and Spirit Lifesteal are always active and have no associated cooldowns. These items also grant a flat healing bonus on activation, and are less effective against non-[[hero|heroes]], neither of which is true of Bullet and Spirit Lifesteal. | |||
{{Stats}} | |||
[[Category:Stats]] |
Latest revision as of 23:36, 12 November 2024
Lifesteal is a mechanic which heals a player by a portion of the damage they deal to an opponent. There are two main types of lifesteal, each with an associated stat: Bullet Lifesteal, which returns a portion of the bullet damage dealt, and Spirit Lifesteal, which returns a portion of the spirit damage dealt. Bullet and Spirit Lifesteal are calculated identically, but are affected by different items.
Formula[edit | edit source]
Despite being presented in-game as +X% Bullet/Spirit Lifesteal, different sources of lifesteal stack multiplicatively, not additively. With different sources of the same category of lifesteal, final lifesteal is given by:
where is the lifesteal provided by the th source. Bullet and Spirit Lifesteal are calculated independently of each other, but both use the same formula.
Example[edit | edit source]
With 10% Bullet Lifesteal from Crippling Headshot and 35% Bullet Lifesteal from Leech, the player's final bullet lifesteal is:
This means that any time the player deals bullet damage to any opponent (including denizens), they will immediately be healed by 41.5% of the damage dealt. Note that the in-game user interface is inconsistent in how it rounds the final lifesteal percentage.
Bullet Lifesteal[edit | edit source]
Bullet Lifesteal returns a percentage of all outgoing bullet damage to the player as health.
Sources[edit | edit source]
Name | Cost | Category | Stat change |
---|---|---|---|
Active Reload | 1,250 | Weapon | +20% Bullet Lifesteal |
Heroic Aura | 3,000 | Weapon | +20% Bullet Lifesteal |
Crippling Headshot | 6,200 | Weapon | +10% Bullet Lifesteal |
Vampiric Burst | 6,200 | Weapon | +100% Bullet Lifesteal |
Bullet Lifesteal | 1,250 | Vitality | +28% Bullet Lifesteal |
Leech | 6,200 | Vitality | +35% Bullet Lifesteal |
Spirit Lifesteal[edit | edit source]
Spirit Lifesteal returns a percentage of all outgoing spirit damage to the player as health.
Sources[edit | edit source]
Name | Cost | Category | Stat change |
---|---|---|---|
Soul Shredder Bullets | 1,250 | Weapon | +20% Spirit Lifesteal |
Crippling Headshot | 6,200 | Weapon | +10% Spirit Lifesteal |
Spiritual Overflow | 6,200 | Weapon | +10% Spirit Lifesteal |
Enduring Spirit | 500 | Vitality | +10% Spirit Lifesteal |
Spirit Lifesteal | 1,250 | Vitality | +23% Spirit Lifesteal |
Leech | 6,200 | Vitality | +35% Spirit Lifesteal |
Infuser | 500 | Spirit | +20% Spirit Lifesteal |
Slowing Hex | 1,750 | Spirit | +10% Spirit Lifesteal |
Diviner's Kevlar | 6,200 | Spirit | +20% Spirit Lifesteal |
Mystic Reverb | 6,200 | Spirit | +14% Spirit Lifesteal |
Soul Shredder Bullets[edit | edit source]
The debuff applied to opponents by Soul Shredder Bullets behaves differently from all other lifesteal items. It does not affect the user's Spirit Lifesteal stat, nor is it factored into the formula above; instead, it adds a flat +20% spirit lifesteal against an affected target while the debuff is active. For example, if a player had Soul Shredder Bullets, Enduring Spirit (+10%), and Leech (+35%), their spirit lifesteal against a target affected by Soul Shredder Bullets would be:
Their spirit lifesteal against a target not affected by Soul Shredder Bullets would instead be 41.5% (equal to their Spirit Lifesteal stat).
Melee Lifesteal[edit | edit source]
- Main articles: Melee Lifesteal, Lifestrike
Melee Lifesteal is not a stat. The item Melee Lifesteal and its upgrade Lifestrike both provide a passive ability which heals the user by a percentage of their melee damage dealt, but they behave differently from Bullet and Spirit Lifesteal. These abilities activate for one melee attack, then go on cooldown for several seconds, during which no further health can be regained from melee attacks; Bullet and Spirit Lifesteal are always active and have no associated cooldowns. These items also grant a flat healing bonus on activation, and are less effective against non-heroes, neither of which is true of Bullet and Spirit Lifesteal.
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