Damage conversion, Glacial Cascade, Avatar of Fire

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wild_captain wrote:
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Hemmingfish wrote:


Rustic sash + added fire is one of the largest damage boosts you can do with avatar of fire for a physical spell.


GC is not pure physical spell and its physical part is much less than the elemental one. Also, i suggest to learn how AoF and conversions work


Yeah, GC deal about 1/3 of its damages as Physical and 2/3 as Cold. And with damage conversion, +EleDmg% is applied twice (the first time for Cold, and a second time for Fire) and multiplicatively. I'll post an example later.

But this post is about damage conversion, and not about what is the most effective way of dealing damage with Glacial Cascade.
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theonepos wrote:
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wild_captain wrote:
"
Hemmingfish wrote:


Rustic sash + added fire is one of the largest damage boosts you can do with avatar of fire for a physical spell.


GC is not pure physical spell and its physical part is much less than the elemental one. Also, i suggest to learn how AoF and conversions work


Yeah, GC deal about 1/3 of its damages as Physical and 2/3 as Cold. And with damage conversion, +EleDmg% is applied twice (the first time for Cold, and a second time for Fire) and multiplicatively. I'll post an example later.

But this post is about damage conversion, and not about what is the most effective way of dealing damage with Glacial Cascade.


This is false.

+EleDmg% is applied only once, and you never get double dipping or multiplicative results.

Conversion only affects WHICH increased and more factors will affect a skill and at what magnitude.
All increased modifiers apply only ONCE, for every skill, ever. They never multiply and only get added together.

I suggest you read up on it:
http://pathofexile.gamepedia.com/Damage_conversion
[2.2] The Vampire - Tanky 2H Axe Slayer Duelist - /view-thread/1611662
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Mannoth wrote:
This is false.

+EleDmg% is applied only once, and you never get double dipping or multiplicative results.

Conversion only affects WHICH increased and more factors will affect a skill and at what magnitude.
All increased modifiers apply only ONCE, for every skill, ever. They never multiply and only get added together.

I suggest you read up on it:
http://pathofexile.gamepedia.com/Damage_conversion


Extracted from the very same article pointed by your link :
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[...]There is also 15 Fire Damage that was converted from Cold. This damage is affected by all Fire and Cold Damage modifiers[...]

Do you see the "This damage is affected by all Fire and Cold Damage modifiers"?
IMHO +EleDmg% is a Fire damage modifier and a Cold damage modifier. So applied for the Cold damage calculation as well as the Fire damage converted from Cold damage. And so, is applied twice, and multiplicatively (not additionaly).

The following examples are for a spell dealing 100 Cold damage and 100 Physical damage with AoF keystone.

50% Elemental boost example:
Spoiler
First, cold base calculation :
Cold = 100 * 1.5 (elemental boost) => 150

Second, physical base calculation :
Physical = 100 => 100

Third, fire calculation :
Fire = [150 (cold) + 100 (physical)] * 50% (AoF) * 1.5 (elemental boost) => 187.5

Total => 187.5 as Fire


50% Physical boost example:
Spoiler
First, cold base calculation :
Cold = 100 => 100

Second, physical base calculation :
Physical = 100 * 1.5 (physical boost) => 150

Third, fire calculation :
Fire = [100 (cold) + 150 (physical)] * 50% (AoF) => 125

Total => 125 as Fire


Example 1 +EleDmg% => 187.5
Example 2 +PhysDmg% => 125

/!\ Huge difference /!\

And that's why I try to apply it to this nice Glacial Cascade spell.

@Mannoth : the article you suggest me to read seems to tell the exact opposite of what you tell me. Maybe you should take a better look at the Example Calculation section :
http://pathofexile.gamepedia.com/Damage_conversion#Example_calculation
Last edited by theonepos#1876 on Jan 13, 2015, 7:26:36 AM
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Do you see the "This damage is affected by all Fire and Cold Damage modifiers"?
IMHO +EleDmg% is a Fire damage modifier and a Cold damage modifier. So applied for the Cold damage calculation as well as the Fire damage converted from Cold damage. And so, is applied twice, and multiplicatively (not additionaly).


No, just no.
This is false as hell.

If you deal 100 cold damage and convert half of it to fire it works like this:

Lets say 100% elemental increase and 50% fire and ice increase from tree or gear

50 cold damage, increased by both cold and elemental damage increase
50 fire damage, increased by both cold, fire and elemental damage increase

Total damage is:

Cold: 50 * (1.0 + 1.0 [elem increase] + 0.5 [cold increase]) = 50 * 2.5 = 125 cold damage

Fire: 50 * (1.0 + 1.0 [elem increase] + 0.5 [cold increase] + 0.5 [fire increase]) = 50 * 3 = 150 fire damage

Elemental increase won't apply twice, because the conversion happens before all modifiers.
You don't convert your cold damage after the modifiers and then increase it with fire and elemental, that would be broken and isn't how the game works.

All increased damage modifiers are only applied once to a single damage source, and this is basic game mechanics.

Edit:

If you think im wrong, go ahead and pick a pure cold spell, spec only elemental damage and then wear:


You are going off from what you think you know, i am telling you what i have tested and which has been confirmed over and over before.
[2.2] The Vampire - Tanky 2H Axe Slayer Duelist - /view-thread/1611662
Last edited by Mannoth#4185 on Jan 13, 2015, 7:36:01 AM
OK, I think I understand what you mean, that's seems quite logical.
I'll try to correct my build to match this specification.

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