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grallmate
04.23.2013 , 07:59 PM | #14
Quote: Originally Posted by KeyboardNinja View Post
Actually grall, I'm going to contradict you here. The nano-infused adrenal is actually *better* than the armor adrenal due to base class bonuses (e.g. Kinetic Ward). The math is as follows:

Spoiler


The results at the end are the most notable:

{shadow -> -0.0739487, guardian -> -2.79226, vanguard -> -0.373133}

This is to say that the nano-infused adrenal is strictly better than the exotech adrenal for all tanks, but especially guardians. Shadows can get away with either one, since the Nano-Infused adrenal is only *slightly* better than the Exotech for that class. (do note however that these values are not scaled by other mitigation mechanisms, most notably defense, meaning that the exact magnitude can be somewhat misleading)

Deciphering the Mathematica for more convenient work-checking, I'm basically examining the following equation:

DR((1675 + armor) * scalar) / DR(armor * scalar) - (ShieldBonus + Shield(375 + shield))(AbsorbBonus + Absorb(375 + absorb)) / (ShieldBonus + Shield(shield))(AbsorbBonus + Absorb(absorb))

Thus, I'm examining the ratio of mitigation improvement. Negative results indicate that the nano-infused adrenal is better than the exotech adrenal. The more negative the result, the better the nano-infused adrenal. Just to satisfy my own curiosity, I doubled all of the ratings and ran the calculation again, just to get an approximate idea of if this trend will continue into higher stat budgets: {shadow -> -0.066216, guardian -> -1.27925, vanguard -> -0.279283}.

So basically, the Nano-Infused adrenal is actually better than the Exotech across all stat budgets.
Even factoring in class bonuses to shield/absorb which (IMO) don't make less of a difference when compared to the class armour multipliers. I fail to see how a 6.5% boost to K/E DR falls behind an 8.4% boost to Shield when the Absorb % is less than 77% (which we just aren't going to see). Add into that, K/E DR applies to ALL K/E attacks while shield only has a chance to apply.

I believe you've made a mistake in the calculation and I may be wrong, Mathematica notation isn't my strong point. It looks like you have compared the relative increase the 2 adrenals apply to their respective mitigation component. That is to say, how much armour increases relative to base armour and how much shield/absorb increase relative to base shield/absorb. The relative increase to Shield/Absorb is much higher thanks to their notably lower starting values, especially for Guardians.

The important point there is that armour DR provides a MUCH higher contribution to DR than Shield/Absorb do with the possible exclusion of Shadows and while the relative increase in contribution from the specific stat is lower the absolute decrease in damage taken is greater.

EDIT:
I did another test and I'll post the numbers here. Again this is with my gear.
Armour DR
Base: 48.89%
Adrenal: 55.3%
6.41% increase

Shield*Absorb
Base: 10.88516%
Adrenal: 15.611585%
4.72% increase

Now for my Guardian at least, the Rakata Adrenal is still better but the numbers are a lot closer than I initially expected and it may vary for the other tank classes and may even reach a point where the Nano-Infused is better.
The Kae-Sare Legacy - The Harbinger
<Vindication> <Retribution>

Gralleh Grall'eh Khyar
Gralleh's Guide to Guardian Tanking [UPDATED for 2.0]