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{{ | {{Otheruses|the stat|the item|Bullet Lifesteal (item)}} | ||
'''Bullet Lifesteal''' is a stat that causes a percentage of bullet damage dealt to be regained as health. | |||
== Math == | |||
Despite being presented in-game as +X% Bullet Lifesteal, different sources of bullet lifesteal stack multiplicatively, not additively. With <math>n</math> different sources of bullet lifesteal, final bullet lifesteal <math>BL_F</math> is given by: | |||
<math>BL_F = 1 - \prod_{i=1}^n (1 - BL_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>BL_i</math> is the bullet lifesteal provided by the <math>i</math>th source. | |||
===Example=== | |||
With 10% Bullet Lifesteal from [[Crippling Headshot]] and 35% Bullet Lifesteal from [[Leech]], final bullet lifesteal is: | |||
<math>BL_F = 1 - (1 - 0.10) \times (1 - 0.35) = 41.5%</math><!--the stat ingame says 42%, but the calculation on hover says 41%--> | |||
Note that the in-game user interface is inconsistent in how it rounds the final number. | |||
== Sources == | |||
{{Item stat table|Bullet Lifesteal}} | |||
{{Stat navbox}} | |||