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Pdr and Ignore Percent Defense Questions

Okay so I'm looking into ignore % defense lines and I have a couple of questions. It seems that perusing a couple of fourms that this topic is somewhat ambivalent, at least from my standpoint. Well anyways without further ado, the questions.

1. How does ignore % defense lines across different lines of the same/different equips stack? Is it multiplicative or additive?
2. Here's a scenario: A Dual Blade with 20k range goes to solo Normal Hilla whom has a 50% PDR. Now using Phantom Blow, which has a 20% or 30% ignore defense, what is the end range that gets inflicted upon Normal Hilla? I went to solo Normal Hilla without any ignore % defense lines and with a maxed Phantom Blow, it was cutting a little more than half my damage. What the hell is going on there?
3. I know for a fact that anything is ignore 100% defense is useless; it screws up some PDR formula. Well if I'm a class like a DB which has a skill that comes with an ignore % defense, should I aim to buy lines that add up to 100% still or something like 70% or 80% depending upon the skill? And out of curiosity, if you do have more than 100%, what really happens?

Sorry for the clustered questions... (._.) but thanks in advanced!

January 4, 2013

6 Comments • Newest first

darkspawn980

[quote=Rezoina]@darkspawn980: Ahhh okay thank you. So basically that physical resistance is a permanent 50% PDR and is seperate from their normal PDR? Is there a reason why its only those bosses though?
@jatscm: Oh okay, but is that skill on Mercedes the same kind of skill on Phantom Blow? (Thanks by the way)[/quote]

no real reason, just that the hardest bosses have it, hilla having a hard version, both hilla's got the defense.

and while you could call it an "extra 50%PDR", that would tend to confuse people, so just say they reduce any remaining damage by half. not even the mercedes ignore skill would go through it.

Reply January 4, 2013 - edited
Rezoina

@darkspawn980: Ahhh okay thank you. So basically that physical resistance is a permanent 50% PDR and is seperate from their normal PDR? Is there a reason why its only those bosses though?
@jatscm: Oh okay, but is that skill on Mercedes the same kind of skill on Phantom Blow? (Thanks by the way)

Reply January 4, 2013 - edited
darkspawn980

note, his example is after unlimited* in case it wasn't obvious,

Reply January 4, 2013 - edited
darkspawn980

additive.
hilla would lose 30% (i'm assumming that's what PB has) of her 50% PDR. so she'd be left with 35% damage, you'd be inflicting 65% of your damage. however hilla has a second thing called "physical resistance" that cuts all damage taken by half, and this can't be ignored, so that 65% damage would go down to only 32.5% of your damage.

in the end, you'd be dealing 35% of your damage, this physical resist is held only by:
magnus
hilla
PB
CPB
empress.

you should aim for 100% ignore with the skill you plan to use, PB has 30% ignore? you should shoot for 70% ignore from other places then.

edit: if you have over 100% nothing happens, it's just going to waste, you can't ignore more than 100% after all.

Reply January 4, 2013 - edited