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Damage Over Time Abilities + Power Duration: How Does this work? (Dev Question)


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#1
Average Gatsby

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 Basically, I'd like to know how the Damage Over Time abilities, specifically Incinerate and Reave, are calculated when a Power Duration modifier is applied to it. Right now, it seems 3 possibilities present themselves:

1) Damage is calculated in increments of time, so for a lvl 1 Incinerate, that means 43.34 damage per second over 3 seconds. A Power Duration modifier would increase the damage of this ability.

2) Damage is calculated as a single unit, and then spread over time. So that means lvl 1 Incinerate does 130 damage spread over 3 seconds, which means a power duration modifier increasing that duration would actually lower the amount of damage the abilities does per second.

3) Powers that do damage over time are unaffected by power duration; power duration refers to abilities like pull, cryo blast, singularity, etc. that don't have a damage over time component but do have a duration length.

I'm going to see if I can test this out, but right now my personal opinion is that it is number 3.

#2
sinosleep

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A good spot to test would the N7: Blood pack mission where I tested the shield abilities. It's very easy to isolate a single vorcha there for testing. Unless of course you've got a better spot.

#3
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sinosleep wrote...

A good spot to test would the N7: Blood pack mission where I tested the shield abilities. It's very easy to isolate a single vorcha there for testing. Unless of course you've got a better spot.


I think I'll go there. I'll take my engi with incinerate and reave, and do a lvl 3 passive test, operative, and mechanic test. 

#4
TheBestClass

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I'd like to know how this works as well. I've heard people claim that Reave is inferior to Warp because of something having to do with it's duration.

#5
rumination888

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I know duration recieves a *0.8 multiplier on Insanity, and that was easy for me to see how it affected Reave because Warp did more damage at the same rank.

Incinerate, on the other hand, is a little different. Incinerate frontloads a lot of its damage immediately, then burns the target over time for additional damage. This is why Incinerate says it does Z damage over 3 seconds, rather than X damage per second for Y seconds like Reave. So duration doesn't affect Incinerate nearly as much as Reave.

#6
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rumination888 wrote...

I know duration recieves a *0.8 multiplier on Insanity, and that was easy for me to see how it affected Reave because Warp did more damage at the same rank.

Incinerate, on the other hand, is a little different. Incinerate frontloads a lot of its damage immediately, then burns the target over time for additional damage. This is why Incinerate says it does Z damage over 3 seconds, rather than X damage per second for Y seconds like Reave. So duration doesn't affect Incinerate nearly as much as Reave.


So your saying it affects targets like point 1 with Reave but like point 2 with incinerate?

Modifié par Average Gatsby, 02 mars 2010 - 11:20 .


#7
TheBestClass

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rumination888 wrote...

I know duration recieves a *0.8 multiplier on Insanity, and that was easy for me to see how it affected Reave because Warp did more damage at the same rank.

Incinerate, on the other hand, is a little different. Incinerate frontloads a lot of its damage immediately, then burns the target over time for additional damage. This is why Incinerate says it does Z damage over 3 seconds, rather than X damage per second for Y seconds like Reave. So duration doesn't affect Incinerate nearly as much as Reave.


So Reave does do less damage than Warp?

#8
rumination888

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Average Gatsby wrote...

So your saying it affects targets like point 1 with Reave but like point 2 with incinerate?


No, its like point 1 for both. I don't know the exact numbers, so I'm just using this is an example:
Lets say Incinerate does 100 damage over 3 seconds. The first time it hits an enemy, it would do 50 damage immediately, duration would have no affect on that part. Then its DoT kicks in and it will do 16.6 damage per second over 3 seconds, 50 total DoT damage(2.4 seconds on Insanity, 40 damage total). Numbers are made up, but you can see how it would frontload its damage.

TheBestclass wrote...

So Reave does do less damage than Warp?


Yes, until you get duration upgrades.

Modifié par rumination888, 02 mars 2010 - 11:31 .


#9
TheBestClass

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how does it fare once you get the duration upgrades, Rumination?

Thanks for answering by the way.

Modifié par TheBestClass, 03 mars 2010 - 02:21 .


#10
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Hmm. I still would like a response from the devs, because it still leaves open the question of how each ability fares against its instant effect multiplier (armor, barriers). If there is no time element, would it do less damage, or is it calculated with the time added included.

#11
rumination888

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TheBestclass wrote...

how does it fare once you get the duration upgrades, Rumination?

Thanks for answering by the way.


Heavy Reave does slightly more damage than Heavy Warp once you get the duration research upgrade.

Anything lower than the Heavies, and you'll need the duration research upgrade plus a duration bonus class passive before Reave will beat a similarly ranked Warp.

Average Gatsby wrote...

Hmm. I still would like a
response from the devs, because it still leaves open the question of
how each ability fares against its instant effect multiplier (armor,
barriers). If there is no time element, would it do less damage, or is
it calculated with the time added included.


There is still a time element because Heavy Reave will, infact, deal less damage against protection compared to Heavy Warp on Insanity. I tested all of this weeks ago.

Modifié par rumination888, 03 mars 2010 - 04:41 .


#12
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Where did you do your testing? I was going to head to that spot where you can isolate the vorcha like sinosleep suggested.

#13
rumination888

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Average Gatsby wrote...

Where did you do your testing? I was going to head to that spot where you can isolate the vorcha like sinosleep suggested.


At Freedom's Progress, on the first 2 LOKIs you face.
Warp one, Reave the other.

#14
DragoonKain3

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I know for a fact that Reave gets a damage bonus from duration upgrade. Compared it to one of the eclipse missions, where I tested damage for Heavy Warp/Area Reave/Heavy Reave + Bastion/Nemesis/Adept 3. I saw that against a Vanguard Eclipse, Heavy Reave >>> Heavy Warp > Area Reave (note the difference in damage between the last two is tiny). Also noticed that in Reave's case that Bastion > Nemesis > Adept 3, while Warp has Nemesis > Bastion/Adept 3. 

You also noticeably see you do less damage with Area Reave on stuff like Ymir Mechs/Scions than Heavy Warp, despite Area Reave being almost the same damage against minions. In essence, you can estimate how effective Reave is by looking at how long Singularity would last on a protected targeted.

And just double checking that I wasn't deluded back then (I saved over my Adept test save back then already), I tested it with my Sentinel, as I still had a save before I got a 2nd biotic upgrade. I buy 2nd biotic upgrade, and I don't drop the first Eclipse Initiate's barrier in Samara's mission (you know, the one surrounded by Loki Mechs); it's left with a sliver of purple. I buy 2nd biotic upgrade then go to Normandy to get duration upgrade, and now Area Reave drops the same Eclipse Initiate's barrier in one shot.

So with my experience with Reave, I say it follows closest to 1. Although to be exact in Reave's case, it lengthens the DoT effect of it rather than increase damage per second, because I noticed it was only when I got the duration upgrade that its CC effect is as long as its CD when I had Defender 2.


As for Incinerate, who knows? As someone has mentioned, they said it was X total damage over Y seconds, rather than X damage per second over Y seconds. So what applies to Reave might not necessarily apply the to Incinerate.