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# Damage reduction - calculation.

Discussion in 'Theorycrafting and Statistics' started by Barabas, May 29, 2008.

1. ### BarabasIncGamers Member

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Damage reduction - calculation.

Hi,

I bring to your attention a question about DR, and the works of DR.

"By" is taken into consideration before "%" ?

Suppose we have Shako + verdungo => 10% + 15% DR = 25% DR
And we have 4 sol socketed amicae jeweler.

How the DR is calculated?

First it substarcts 43 from amicae, and after % , or first it substracts 25% from attack and after 43 from the result ?

Let's suppose a monster does 25 - 100 damage, which will be the final attack : 42 - 42 or 32 -32 ?

2. ### HrusIncGamers Member

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Re: Damage reduction - calculation.

PDR (damage reduced by X) goes first, DR% (damage reduced by XX%) goes second. That's why a lot of people put "damage reduced by X" equipment on them and totally ignore "damage reduced by X%"

Let's say monster attack rolls a 100 physical damage and hits you.
You have 50PDR from amicae amu and circlet and 10%DR from SoE.
Final damage done to you is (100-50)*0.9 = 45

3. ### BarabasIncGamers Member

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Re: Damage reduction - calculation.

Taken from AS:

Code:
`Amicae Damage Reduced by 8-15 Body Armor(51), Circlets(51), Shields(51)  `
Let's hope for a 4 os Armour and Shield , and 1 os Circlet. Put in all sockets Sol rune.

3 * 15 ( DR from items ) + 9 * 7 ( DR from runes ) = 108 DR.

Corect me if I'm wrong, but this is posible?
If so, then that means completely imune to physical in hell if no curse involved.

Last edited: May 29, 2008
4. ### Insane WayneIncGamers Member

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Re: Damage reduction - calculation.

Yes, it's possible.

A shield like that would be exceptionally rare.
The armor is also very rare, but shoppable with enough patience.
The circlet is easy. A Circlet of Amicae ("of Life Everlasting" is even better) is easily gambled and can be Larzuk-socketed to get 1-2 sockets. A Jeweler's (3 sockets) Tiara of Life Everlasting is also possible, although highly unlikely.

Negating all regular monster attacks is doable, and the focus of several builds. Integer PDR appears on other items as well (e.g. Amulet of Life Ever Lasting); 108 isn't too hard to get. Even better, any leftover PDR (most monster hits will be far less than 108) will rollover and cancel out some/all elemental damage as well.

5. ### paul leungIncGamers Member

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Re: Damage reduction - calculation.

what you guys talking about? X is interger only,isn't it?

6. ### BarabasIncGamers Member

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Re: Damage reduction - calculation.

I think "integer" in this context means maximum ( which in this case is 15 ).

7. ### HrusIncGamers Member

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Re: Damage reduction - calculation.

I am sure Insane Wayne meant "integer" = reduced by X as an opposite to "percentual" = "damage reduced by X %"
And maximum is 25 (Life Everlasting) on amulets and circlets.

8. ### helveteIncGamers Member

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Re: Damage reduction - calculation.

Curses affect your resistances (Amp and decrep affect physical resists, AKA %DR) so since this is calculated AFTER PDR/MDR it is irrelevant as long as the initial damage is negated.

However, extra strong, might and fanaticism, not to mention the 5% chance of critical all monsters have poses a large threat. IIRC Iron Maiden is still a fairly huge problem too.

9. ### Insane WayneIncGamers Member

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Re: Damage reduction - calculation.

Yeah, that's what I meant, sorry for the confusion.

Here's an example of a basic "reduced by X" PDR build, realistically obtainable by shopping/gambling:

Jeweler's (4 x Sol) Body Armor of Life/Amicae (32-43 PDR)
"any prefix" Circlet of Life Everlasting, with 2 sockets by Larzuk (24-39 PDR)
"any prefix" Amulet of Life Everlasting (10-25 PDR)
Artisan's (3 x Sol) Shield of Life/Amicae (25-36 PDR)

Even with average rolls, it's easy to cancel out most regular monster damage.

10. ### ProfessionalBergIncGamers Member

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Re: Damage reduction - calculation.

Don't forget that Nature's Peace has 7-11 DR.

11. ### helveteIncGamers Member

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Re: Damage reduction - calculation.

I think I'd actually choose "Gerkes Sanctuary" over that shield, since it offers MDR (for rollover purposes) block, defense and good resists as well. It's heavy, yes, but that goes for a lot of stuff. "Sol" it and a perfect one is 18mdr 23pdr 30 all IIRC

12. ### struikjeIncGamers Member

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Re: Damage reduction - calculation.

I'm wondering actually if block and defense is needed on a pdr-char. It allready negates the dmg, so why bother blocking it? THe resists and mdr is nice though on gerke's

13. ### paul leungIncGamers Member

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Re: Damage reduction - calculation.

I just don't get it,it seems what you guys say,if you can get X dr like 100(not %),you are immune to that damage.what you on about?Show me the formula it work?

14. ### ProfessionalBergIncGamers Member

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Re: Damage reduction - calculation.

Let's say you have 100 PDR. Like Amulet of Life Everlasting (25), Gerke's Sanctuary [Sol] (23), Gladiator's Bane [Sol] (27), Tiara of Life Everlasting (25). (Not sure about these numbers, but you get my point right?)

A monster hits you for 100 damage. The 100 PDR simply removes all the 100 damage, so you are not hurt.

Now, the trick is - most monsters can't deal more than 130-150 damage. Meaning, with enough PDR, you become IMMUNE to most physical damage.

The only problematic monsters are those that are Aura Enchanted (Might and Fanaticism), Extra Strong or Champion/Berserk/Ghostly. These guys have mods that increase their damage. To a point where some is left over and still damages you.

Also, act bosses generally hit harder (I don't have to tell you about Lilith's 500 damage melee attack, do I?).

What I wonder, though, is it possible to negate Succubus missile damage? Until not long ago I thought the missiles are magic damage, but looks like it's physical instead. What's the damage amount, if it's true?

15. ### PoppisIncGamers Member

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Re: Damage reduction - calculation.

According to Wiki, the bloodstar projectile does 47-87 physical damage at best(by Hell Temptress quest monster in Hell difficulty).

EDIT. Vile Witches do 48-86 in Hell, but can only be found in World Stone Keep lvl 1.

Last edited: May 31, 2008
16. ### ProfessionalBergIncGamers Member

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Re: Damage reduction - calculation.

This means that any amount of PDR that negates the stronger physical attacks (100+) will pretty much make you immune to Succubi. Nifty. I may start making a max PDR character.

17. ### PoppisIncGamers Member

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Re: Damage reduction - calculation.

Yea, I'm also thinking about making a PDR char at some point, although getting my hands on a good circlet/amulet of life everlasting might not be as easy(or cheap) as it sounds.

18. ### paul leungIncGamers Member

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Re: Damage reduction - calculation.

ARRH,PVM,I WAS THINKING OF PVP WHERE YOUR ENERMY DEAL Ks OF DAMAGE

19. ### helveteIncGamers Member

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Re: Damage reduction - calculation.

You're much better off with %DR and absorbs in pvp. When a charger hits you with 15k damage you won't have enough PDR to avoid taking huge damage.