so the final node of this constellation gives “20% Reduced target’s Elemental Resistances for 3 Seconds”. Ive read some discussion here (cant remember which thread was it) where some very experienced members of this forum were arguing whether it works as intended or if its bugged. Ptirodaktil mentioned that in some cases where we stacking RR Viper can actually INCREASE monster resists, some other members were arguing its working normally. IIRC Ptiro did some dummy testing and the results were same with and without Viper, but thats not really telling cos testing RR on dummy is not really reliable if I understand it correctly, so overall its pretty inconclusive.
Don’t recall anyone saying Viper’s resist reduction actually increases monster’s resists for some reason. The thing with this type of resist reduction is that if you can’t lower an enemy resists below 0%, then the effect will be reduced.
Let’s say you reduce an enemy resist to fire by 95% and it has 100% fire resist. Viper’s resist reduction will only reduce by 5% because it can’t lower an enemy’s resist below 0%. In case of the training of dummy, it should boost your damage because it has only 18% elemental resist in Ultimate. You only need 19% elemental resist reduction for Viper to be in full effect.
It should answer any questions you have about how the resist reduction is applied.
In short, the n% reduced resistance is 2nd and if the 1st reduction (n reduced resistance) lowers it too far, then you get diminished returns from Viper and its % reduction since it is applied second and can’t go below 0. The third type, -n% resistance, can reduce it below 0 and is applied last.
Whether it works or not I’ve actually not seen discussed, I just assumed it did.
This type of RR tends to be good when you have either a lot or very little flat RR.
I usually try to include it in my builds even if I have to give up an Augment slot for it, as I figure its benefits are more valuable than a stat Augment.
It can add a lot of damage when your target spawns with a 100% Ele Res prefix item and they just resist your damage without it.
If you read further down the thread, Ptiro just misunderstood how the RR works. It was clarified later on but he still kept on not using Ultos cause dummy tests didn’t show any significant difference between no ultos/more atk speed vs use ultos/less atk speed.
Just to clarify this: Viper RR always has a positive effect unless enemy resist sits at exactly zero, in which case the RR has no effect. The effect of the %RR increases as the enemy resistance after applying type 1 and 2 RR goes farther than zero, both in the positive and negative sides. As an example:
Let’s say you will deal an incoming 100 fire damage
Enemy initial fire resistance = 50%
Fire damage received without any RR = (1-0.5)(100) = 50.
Fire damage received with only Viper RR = 100 (1-0.5*0.8) =60. This is a 20% damage increase from no RR case.
Fire damage received with 21/12 censure RR and no Viper = 100(1-(0.5-0.42))= 92
Fire damage received with 21/12 censure RR and Viper = 100(1-(0.5-0.42)*0.8)= 94.6. this is only a 2.6% damage increase compared to the previous one.
This applies also to negative resistances, and the real reason to use Viper/ultos RR is because they are so strong when all the RR debuffs are applied. And it’s usually very far from zero considering the base elemental res of most enemies is at 18% and you have mostly >100 RR before viper.