i love new arctic armour as long as...

I dunno, doesn't seem like a very effective skill anymore.

12% less phys and fire. For it to be equal to in power as the old AA, enemies need to hit you for at least 133/0,12=1016,66... dmg per hit.
1k dmg hits are not that common, and once we get to the actual big hits (vaal smash, kole smash), such small mitigation does nothing anyway.
Vaal smash does 4k fire and 4k phys. old AA at lvl 18 reduced that damage by (assuming 75% fire res), 133/4000=3,3% for phys and 133/1000=13,3% for fire, you'd still be taking a total of 3867+867=4734 damage. New AA at lvl 18 reduces it by 12%, so 5000*0,88=4400. A grand total of 334 less damage taken... from an 8k hit.

To break this down:
New AA is always weaker against hits that the old AA mitigated completely.
New AA is only as good as old AA against high damage hits (at lvl 18, against over 1k dmg hits).
New AA is better (though only slightly) against very high damage hits, but not enough to actually make a difference.

Basically, new AA is worse than old AA against pretty much 99,9% of the content, while being only marginally stronger against the last 0,1%. Not to mention you're forced to not reserve more than 75% of your mana to be able to use it (and no sane person would ever reserve 25% of their life to gain about 8% more effective life thanks to lower base). I don't see a reason to use this new AA at all. Why not just use cold spells and get the chill anyway?
Idioticus, you forget one important point in your breakdown:

New AA is useful for different types of builds than old AA was.


When you only compare its usefulness against old AA for the type of build where old AA excelled, no wonder you find that it is poor by comparison. Making it less powerful for those builds was undoubtedly the reason for changing it in the first place. If it wasn't poor by comparison in those cases, something would have been terribly wrong.

But that is the special case: Comparing it against situations it is currently used, rather than comparing it against all the situations where it may be used. Your "new AA is worse than old AA against pretty much 99,9% of the content" ignores that there are builds that could never afford to run the old AA due to the mana upkeep cost, but can benefit significantly from the new AA. For those builds, new AA is better than old AA in 100% of the content, and the only question is whether the 25% mana reserved (before possible reductions) could be better spent otherwise.

Which is why my old-style EB-MoM(CoD)-AA Pledge of Hands crit Firestorm witch, who ran a level 23 AA with minimal investment in defensive passives cries when seeing the new AA, while my ZO-CI Incinerate Flame tank Scion thinks the new AA is the best thing since sliced bread, because getting a 12% LESS reduction on all physical and fire damage on top of all her other defenses is awesome, and she can afford it by giving up Herald of Thunder (which will be awful for Incinerate anyhow if the current beta 10% damage effectiveness goes live).

I would be deeply surprised if there are not many other builds where the new AA will also be good or perhaps even great.
Last edited by Pi2rEpsilon#4367 on Jun 6, 2015, 5:31:09 AM
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Pi2rEpsilon wrote:
Idioticus, you forget one important point in your breakdown:

New AA is useful for different types of builds than old AA was.


When you only compare its usefulness against old AA for the type of build where old AA excelled, no wonder you find that it is poor by comparison. Making it less powerful for those builds was undoubtedly the reason for changing it in the first place. If it wasn't poor by comparison in those cases, something would have been terribly wrong.

But that is the special case: Comparing it against situations it is currently used, rather than comparing it against all the situations where it may be used. Your "new AA is worse than old AA against pretty much 99,9% of the content" ignores that there are builds that could never afford to run the old AA due to the mana upkeep cost, but can benefit significantly from the new AA. For those builds, new AA is better than old AA in 100% of the content, and the only question is whether the 25% mana reserved (before possible reductions) could be better spent otherwise.

Which is why my old-style EB-MoM(CoD)-AA Pledge of Hands crit Firestorm witch, who ran a level 23 AA with minimal investment in defensive passives cries when seeing the new AA, while my ZO-CI Incinerate Flame tank Scion thinks the new AA is the best thing since sliced bread, because getting a 12% LESS reduction on all physical and fire damage on top of all her other defenses is awesome, and she can afford it by giving up Herald of Thunder (which will be awful for Incinerate anyhow if the current beta 10% damage effectiveness goes live).

I would be deeply surprised if there are not many other builds where the new AA will also be good or perhaps even great.


2 heralds + new AA means you're reserving 95% of your mana unless you have a high lvl enlighten linked to them. So I guess that's what GGG's going for; everyone running AA.

To me, making a skill weaker just to have everyone run it is silly.
Heralds are currently 25% in the beta (according to Mikelat's beta calculator: https://poe.mikelat.com/beta/), so two heralds and AA is 75% before discounts at the current beta price, not 95%.

It looks as if they are using a pricing scheme of:

25% - low impact unless build has extreme synergies, but useful for just about everything (heralds, tempest shield, arctic armour)
35% - medium impact, selectively useful (purities, vitality, discipline)
50% - high impact, build defining (Anger, Determination, Grace, Haste, Hatred, Wrath)
Last edited by Pi2rEpsilon#4367 on Jun 6, 2015, 7:46:54 AM
New AA does nothing against Vaal Smash if you're trying to get out of the way and don't quite make it.
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They just want to get rid of casters in hc i think
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Draeil wrote:
They just want to get rid of casters in hc i think


Yeahhhhhhhhh people keep saying this.
"This" being the belief that casters are somehow broken without the old EB meta.
It's not true. And I wish people would stop saying it.
I've run self-casters without EB since forever.

============================================

But to stay on topic:
AA has weaknesses since it contributes very little mitigation for large hits but does an excellent job of completely negating small frequent hits. The dps might add up to be the same for both cases, but how AA behaves would behave very differently depending. It behaves a lot like armor that way. Comfy for the trash but virtually worthless for large enough hits.

New AA is a LESS multiplier. This means it behaves multiplicatively outside of armor, endurance charges and Fortify. Which is not bad at all for 25% reserve.
Last edited by DeviantLightning#7374 on Jun 6, 2015, 8:15:08 PM
To be honestly, i never considered AA to be too powerfull. It is the combination with the Cloak of Defiance. This item saves you dozens skill points for MoM. That item is the real problem, not AA. But that's just my opinion :)

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DeviantLightning wrote:

New AA is a LESS multiplier. This means it behaves multiplicatively outside of armor, endurance charges and Fortify. Which is not bad at all for 25% reserve.


Be careful with this. Since most discussions about the "increased/decreased" vs "more/less" distinction has to deal with stacking massive increases, it's easy to forget that multiplicative changes are not always more effective than additive ones.

When the original product is a result less than 1, "decreased" has more effect than "less." Easy example: Base 50% damage reduction. If you tack on "50% decreased damage taken" on top of that, you get to 0% damage taken, or invulnerability. "50% less damage taken" would only take you to 25% damage taken, or 4 times as tough.
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adghar wrote:

When the original product is a result less than 1, "decreased" has more effect than "less." Easy example: Base 50% damage reduction. If you tack on "50% decreased damage taken" on top of that, you get to 0% damage taken, or invulnerability. "50% less damage taken" would only take you to 25% damage taken, or 4 times as tough.


Indeed, with a 12% damage reduction then you would need to be hit by 1341 total damage after all reductions to give the same protection than a arctic armour lvl 20. In other words they have changed a interesting defense that could become powerful if you specialized in it for a boring slap-on-anyone-who--cares defense that is not only weaker but counter productive to the way of playing this game (moving a lot).

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