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Thread: [Bug] AP contribution for contra tempo in BD.

  1. #1
    Telaran Raylie's Avatar
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    Default [Bug] AP contribution for contra tempo in BD.

    Hello
    After some test

    51BD / 10 SIN /5 RS

    1668 AP : Precision strike criticaly hit for 3110 damage

    51bd / 10 MM / 5 RS

    1911 ap : Precision strike criticaly hit for 3387 damage


    So a difference of 243 ap provide 287 more damage.
    If contribution due to contra tempo is good , we have 375 % ap contribution to PS/QS (contra tempo provide 250 % more , 100% base contribution , and 25 % from combat expertise)
    What it should be :
    375% of 243 ap : 911 damage

    What we have :
    118% of 243 ap : 287 damage

    Look at this please , we have a 118% ap contribution from contra tempo instead of 375% .
    Last edited by Raylie; 02-04-2012 at 05:18 AM.

  2. #2
    Telaran Raylie's Avatar
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    One more thing.

    During my pts test , 100 AP provide 375 more damage on PS/QS. So a 375 % contribution as it should be.

  3. #3
    Ascendant
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    So total AP contribution for PS should be 475%.

    This testing was in DD so that is 105% increase + Vivacity @ 10% + SMF @ 5% for a total of 120% increase or 2.2x multiplier.

    These were crits, so another 1.5x multiplier for crit.

    So we are looking at 2.2 * 1.5 * 4.75 = 15.675 multiplier on AP.

    So the damage increase we would expect is 15.675 * (243 / 10) = 380.9025 vs seeing 287 on live.

    I'm also seeing some discrepancies for repeated Keen strikes as well.

    A 274 AP difference is only changing the damage of Keen strike by 48 when by my math it should be closer to 59.

    100% base AP + 25% from Combat Expertise = 1.25x.

    5% damage from SMF + 10% damage from vivacity = 1.15x multiplier

    Crit = 1.5x multipier

    1.25x * 1.15x * 1.5x = 2.15x

    2.15 * ( 274 / 10 ) = 58.91.

    The AP difference was due to swapping 10 MM with 10 Sin. So it seems there is an issue somewhere between Increased Firepower, SMF, Murderess Intent, and the BD skills.
    Last edited by Durango; 02-04-2012 at 06:01 AM.

  4. #4
    Telaran Raylie's Avatar
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    Totally forgot DD+ damage multiplier in my calcul.
    But your math include it and show ap contribution are totally bug.

  5. #5
    RIFT Guide Writer
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    Raylie you don't seem to know how the damage formulas work. And Durango you have completely forgotten damage reduction from armor which is 25% on a dummy or 22% if 5 point combat culmination is in effect.

    51 BD / 0 / 0 build.
    1119 AP, 2103 damage with quick strike during DD
    905 AP, 1846 damage with quick strike during DD

    So we see a difference of 257 damage on crit for 214 AP.

    214 AP is 21.4 dps and since it's an instant ability it means 21.4 damage base from that amount of AP.
    +375% (100%+25%+100%+250%) and we get 101.65
    *2.15 damage modifier from deadly dance+vivacity, -> 218.5
    *1.5 crit modifier, -> 328
    *0.78 for damage reduction from armor, -> 256

    Verified actual ingame difference is 257. So we have 257 vs 256 between what is expected and what is in game which is just a matter of rounding numbers at different phases of the calculation.

    No bug here, even all the damage modifiers are additive like they are supposed to be.

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