Clarification on Fire Penetration

If I use Fire Penetration, does it calculate as increased or more damage against enemies?

"more" but only in case enemy has exactly 0 resist

The effect of resistance is multiplicative in damage calculation but penetration itself isn't a multiplier, it modifies a multiplier along with other effects so is essentially additive.

Penetration always works on the monsters capped resistance which is assumed to be no higher than 75%.

So if you have 25% fire penetration you will deal an additional 25% fire damage because the fire penetration lowers the max resist to 50%.

Not to be confused with the flammability curse which lowers resistance against the monsters total overcapped fire resistance (assumed to be no higher than 150%) which gets you no additional damage until you force the overcapped resistances below 75%.

If you want to know the interaction of flammability with fire penetration, I suggest you read the wiki.

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Ludvator wrote:

"more" but only in case enemy has exactly 0 resist

It's always more. I case enemy has resistances, it is even more than stated on the gem. If enemy has negative resistances, it is less.

Example: enemy has 75% resistances and u have a lvl 20 fire pen gem(35% penetrated), than u deal 140% more dmg.

As far, as i know, enemy resistance is the last check, so penetration is always a multiplier.

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Skywalkerfx wrote:

Penetration always works on the monsters capped resistance which is assumed to be no higher than 75%.

So if you have 25% fire penetration you will deal an additional 25% fire damage because the fire penetration lowers the max resist to 50%.

Not to be confused with the flammability curse which lowers resistance against the monsters total overcapped fire resistance (assumed to be no higher than 150%) which gets you no additional damage until you force the overcapped resistances below 75%.

If you want to know the interaction of flammability with fire penetration, I suggest you read the wiki.

Thats wrong, what you are writing here.

If your gem penetrates 25% fire, it lowers the resis of a mob from 75% to 50. Tahts correct, buts thats not additional 25% more fire damage. Just do the math:

You deal 100 damage, mob has 75% fire res -> Mob gets 25 Damage
You deal 100 damage, mob has 50% fire res -> Mob gets 50 Damage

50/25 = 2 -> Lowering resistances from 75 to 50 doubles your Damage against that mob

Thats why i.e. -max resi map mod is so damn deadly..

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Astarte911 wrote:

Thats wrong, what you are writing here.

If your gem penetrates 25% fire, it lowers the resis of a mob from 75% to 50. Tahts correct, buts thats not additional 25% more fire damage. Just do the math:

You deal 100 damage, mob has 75% fire res -> Mob gets 25 Damage
You deal 100 damage, mob has 50% fire res -> Mob gets 50 Damage

50/25 = 2 -> Lowering resistances from 75 to 50 doubles your Damage against that mob

Thats why i.e. -max resi map mod is so damn deadly..

Dude you're wrong. I said it correctly. You just restated what I said. Nice try.

You deal 100 fire damage. The resistance is lowered 25% from 75% to 50%. You deal 50 fire damage instead of 25 (an additional 25% total fire damage of the 100).

You're multiplying X 2 the resulting damage - so what?


Edited for spelling

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Astarte911 wrote:

So if you have 25% fire penetration you will deal an additional 25% of the original fire damage.

There, fixed it.

They say it's all relative.

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1337fun wrote:

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Ludvator wrote:

"more" but only in case enemy has exactly 0 resist

It's always more. I case enemy has resistances, it is even more than stated on the gem. If enemy has negative resistances, it is less.

Example: enemy has 75% resistances and u have a lvl 20 fire pen gem(35% penetrated), than u deal 140% more dmg.

As far, as i know, enemy resistance is the last check, so penetration is always a multiplier.

what I say is that it is "more what_the_gem_says damage" in case enemy has 0 resist (for the purpose of calculating damage).. but I understand my answer does not make much sense, although its more because question OP is asking does not make it either

as raics says, it is not actually a multiplier because it stacks additively with the result of other stuff that lowers enemy resist. On the other hand, "more" multipliers never stack with anything

using your logic, 10% increased damage would be "more" too, the ammount would depend on how much increased damage you already have (ie from 300% to 310% increased damage would be 2,5% "more")

btw, modifiers to damage taken come after the mitigation, so you are wrong there as well

and if you are talking about fire pen gem and fire pen passive together, they are just added together