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[Guide] - RoS Elemental Skill Damage Explained

Discussion in 'Gear, Build, and Mechanics Guides' started by Druin, Mar 7, 2014.

  1. Druin

    Druin Moderator Staff Member VIP BoG

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    - Elemental Skills Deal X% more damage Fully Explained -

    Hello everyone,

    I am here to fully explain the affix that has become popular with loot 2.0 that reads:
    <Element> skills deal X% more damage

    Along with MANY more cases of this affix, Blizz has implemented a pretty solid elemental system for our skills. For the most part, this system works as you would expect it to. However, in some cases it breaks down completely.

    I will do my absolute best to write this in a readable way but I want to warn those with a weak-constitution ... thar be Math ahead!

    Basics behind the Elemental Affix
    Here is an example of the stat in question --
    [​IMG]

    In this example, we see that Azurewrath can roll with "Cold skills deal 15-20% more damage"
    For the rest of this example, we will assume it rolled with 20%.

    For the most part, this stat is easy to understand ... if you use a skill that is designated as "cold damage" it will do more damage than the same skill if it were designated as something else.

    An example skill is --
    [​IMG]

    As you can see, Ray of Frost normally deals 510% weapon damage.

    However, If you have the Azurewrath equipped, it will instead deal 510% * 1.2 = 612% weapon damage.

    Now let's say you have Azurewrath and Frostburn Gauntelets equipped giving you one source of 20% cold skill damage and another source of 15% cold skill damage.

    This is an "additive" stat and your total bonus to cold skills is simply the sum of all your bonuses.
    You will have a total bonus of 1+ [0.2 (Azurewrath) + 0.15 (Frosties)] = 1.35

    Ray of Frost will now deal 510% * 1.35 = 688.5% weapon damage.

    As you can see, this stat is immensly powerful. A normal character will usually get about 9.23% total damage increase from the 6% Critical Hit Chance stat on your Bracers. If, instead of that stat, you went with 15% <elemental> skill damage you would be getting a massive 15% total damage increase to your <element> skills.
    This is 1.63x as much damage increase as the CHC!!!

    Critical Hit Chance has historically been the best stat for DPS so it's awesome to see a stat beat it out completely.

    What Skills Does it Affect?

    This has been a very popular question over the last couple of weeks and it's a very strait forward one.

    The <Element> skills deal X% more damage affix only applies the skills that deal X% weapon damage in some way.

    Example --
    [​IMG]

    Un-runed Cyclone Strike will always deal Holy damage and is therefore subject to the Holy Skills deal X% more damage stat.

    However, the ONLY part of the skill that will be affected is the 261% weapon damage.
    This will be increased by X%.

    The number of enemies and yards they are pulled will not be altered in any way.

    Any skill that has an effect other than X% weapon damage will not have that effect altered by <Element> skills deal X% more damage.

    Note: this includes skills that deal damage that is not tied to weapon damage such as Exploding Palm's explosion (the DoT will still do increased damage).

    Elemental Affixes and Weapon Elements

    How does your X - Y <element> Damage affix on your weapon interact with your <Element> skills deal X% more damage affixes?

    The short answer --
    It has no effect what-so-ever

    In a hotfix, the following change was made --
    [​IMG]

    This change fixed the last "buggy" issue with this stat and correctly changes ALL elemental type-skills to change your damage type TO the element they are labeled as.

    Elemental Affix and Skill Bonus Affix

    Some items have another affix that reads Increase <Skill> damage by X% that interact VERY favorably with <Elemental> Skills deal X% more Damage.

    Here is an example --
    [​IMG]
    This staff directly increases the damage done by --
    [​IMG]

    If the Diabo rolls 50%, Deadly Reach will go from 109% to 109*1.5 = 163.5% weapon damage.

    However, if we throw some Physical Skills deal X% more Damage into the mix you start to see some incredibly high numbers.

    Let's say you have 20% Physical damage on bracers and 20% Physical damage on Andy's helm.

    Combine with this staff you will now have a DR that does 109% * 1.5 (staff) * 1.4 (bracers+helm) = 228.9% weapon damage. This is 2.1x higher than it normally is!

    The take-away here is that <Elemental> Skills deal X% more Damage and Increase <Skill> damage by X% stack multiplicitively with each other.

    Conclusion
    All in all, the stat <Elemental> Skills deal X% more Damage is extremely strong when used correctly and will make or break your build. Selecting skills carefully and stacking this affix in the right places will drastically increase your effective DPS!

    Best of luck and thank you so much for taking all the time to read this.

    <3
    Last edited: Mar 24, 2014
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  2. Doc

    Doc Platinum Member Platinum VIP BoG

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    For instance: I picked up a 2.02 cold SoJ and Azurewrath, so tried to make a cold based build. Dropped WoHF, as has no cold skills to Crippling wave, tsaunami. also dropped WoL for the cold rune of LTK. EP doesn't have cold rune. Also using cold rune(sucks) of CS. Did I do this correctly?
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  3. Amiar

    Amiar Elite Member BoG

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    Thanks for the write-up, Druin. This makes being super lightning monk much more interesting :D
  4. Druin

    Druin Moderator Staff Member VIP BoG

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    As long as your Azurewrath is a cold-damage weapon, all Physical Skills will deal mostly cold damage and get most of your Cold Damage bonus.

    You could continue to run WotHF and WoL-Pillar of the Ancients which would both get ~75-85% of your Bonus Cold Damage stat thanks to Azurewrath's cold-weapon-damage.
  5. Demiwraith

    Demiwraith Elite Member Gold VIP

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    Can you confirm whether the +10% to Fire skills is additive with other bonuses? Such as Mantra of Conviction, Blazing Wrath (Monk), or Cold Blooded (Wizard)? Is it additive with +X% to skill Y?

    I've being working under the assumption that these are all added up and then applied to the skill. If so, it certainly lowers the gap in effectiveness of these particulr bonuses and Critical HIt Chance.

    (FYI, I see that several people have rated your post "Informative". The "Love" is from me. <3 )
  6. Druin

    Druin Moderator Staff Member VIP BoG

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    It is extremely unlikely that it is additive with class +%dmg bonuses such as MoC and Blazing Wrath.

    However, I have been informed that it may very well be additive with skill% increases which is something I didn't think to test.
  7. Colt

    Colt Senior Community Admin Staff Member VIP BoG

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    TL DR version:

    Physical skills are wildcards that absorb your main weapon's element, the rest of skill types ignores it.

    Is that right?, also what happens on offhand weapons/dual weilding situations?
  8. Moreir

    Moreir Still a Noob BoG

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    Thanks, Druin! Very informative.
  9. Martialblack

    Martialblack Member BoG

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    I would think that MOC/Strongarm Bracers/etc (things that "debuff" the mob) are multiplicative with all of your dmg, while +% elemental dmg/+% skill dmg would all be additive together (since it is on the character side of the equation). At least that is how it has worked in similar ARPGs. I could be wrong though, I will defer to Druin :)
  10. Demiwraith

    Demiwraith Elite Member Gold VIP

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    We know for a fact that MoC (debufff enemy) and Blazing Wrath (buff yourself) were additive in 1.0.8. I believe that +% to elites was mutiplicative with the whole thing, but multiple +% to elites added together in a non-intuitive way. And I'm not sure how +% to creature type fit in.

    Until you actually test thee things, you don't know exactly what's going on. Even things Blizzard words identically may in fact function diferently when tested.
  11. Martialblack

    Martialblack Member BoG

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    Yea, I have learned from many ARPGs that things may not work exactly as you would first think.

    It would be great to find out how all these % modifiers work (whether additive or multiplicative). Those multiplicative ones are very strong, which is why I assume there are not as many that would be multiplicative.

    Looking forward to some further "Math" Druin.
  12. Nairbly

    Nairbly Member BoG

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    Good guide needs less blinding text.
  13. BeeBee

    BeeBee Member BoG

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    Thank you for writing this guide. : )
  14. Druin

    Druin Moderator Staff Member VIP BoG

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    It is truly my pleasure BeeBee! :D
  15. skip

    skip Member BoG

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    @ druin , wow dude I don't know how you find the time lol very great read and super informative your efforts are greatly appreciated.:)
  16. scrapz

    scrapz Silver Member VIP

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    Druin never disappoints!
  17. Fitz

    Fitz Site Admin Staff Member Platinum VIP BoG

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    Any word on this?
  18. Druin

    Druin Moderator Staff Member VIP BoG

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    Tested. Multiplicative with skill damage.

    15% skill and 15% ele = 1.15 * 1.15 NOT 1 +0.15 +0.15
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  19. Fitz

    Fitz Site Admin Staff Member Platinum VIP BoG

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    Oh yeah! Abuse incoming!
    Last edited: Mar 10, 2014
  20. Demiwraith

    Demiwraith Elite Member Gold VIP

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    Thanks for the updates Druin!

    Nah. It's just working how it should. +Element% damage is generally strictly better then +Skill% damage. If you get the element for your skill, you get the bonus to other skills as well. Now there's a real reason to want +Skill%.

    Bascially, you want to stack everything. Enough ChC and ChD to raise your base damage somewhat. But you want +Element% on top of that. Then you want +AD% and then +Skill% on top of that to round it out for the specifics of your build. Then +Elite% of course..... Oh, I guess you want main stat on there too, huh?

    Yep, 4 primaries just isn't enough. I don't think it's abuseable, really. Just have to re-learn gearing a bit and find the right balance.
    I am not going to have room in my stash for all the different gear I need for 5 classes now, though.

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