2010年11月29日星期一

in 4.0.3a patch, under Marksmanship spec for Pve, [Haste Rating] VS [Mastery Rating]

     I have noticed that many people went to reforge the stats since the patch 4.0 and the new stat "mastery rating" came out. Some of them reforged critical rating into mastery rating, and the others reforged haste rating into mastery rating. So, I just started thinking that whether turning a lot of thses stats into mastery rating is worthy or worthless. Therefore, I did some math to check out. I will give out my stats for the example, and suggestion and corrections are always welcome.

    My stats: 2358 agility,1803-2317 damage,5818 attack power,21.47%(704 haste rating),59.30%(1494 critical rating),14%(0.00 mastery rating),8.23%(256 hit rating)


Gears:lvl277 T10 helm,
       lvl264 wodin necklace,
       lvl264 T10 shoulder piece
       lvl264 cloak exchanged with badges
       lvl264 chest piece exchanged with badges
       lvl277 bracer from 25 H gunship
       lvl264 T10 gloves
       lvl264 belt exchanged with badges
       lvl264 T10 pants
       lvl264 boots crafted by leatherworker
       lvl264 rings from 25 dreamwalker
       lvl277 rings got with exalted reputation with Icecrown Citadel
       lvl264 trinket got from 10 man heroic lady deathwhisper
       lvl264 trinket exchanged with badges
       lvl264 1h axe x2 droped from 10 man heroic gunship
       lvl264 bow dropped from 10 man heroic lady deathwhisper

Talent:2/31/3. The two points under Beastmastery are on One with Nature talent, and the three points under Survival are on Pathing talent.

Basic things you need to know:
       32.76 haste rating = 1% haste improvement.
       45.86 mastery rating=1.7% master improvement.

Then, we are able to compare haste rating with mastery rating.
First of all, take off all your gears and only keep the bow on. Now, (the speed of the bow)/(100%+3%) is your ranged attack speed. Here we adding 3% is because we put 3 points on the Pathing talent which increases ranged haste by 3%. If your bow has haste rating, your speed should be (the speed of the bow)/(100%+3%)/(the haste percentage your bow's haste rating increases)

a. After turning all the haste rating into mastery rating, I will have 277 mastery rating(25% chance to activate the effect of the master), 427 haste rating (13.02% ranged haste)

b. If I don't reforge any haste into mastery, I got 14% chance to activate the effect of the master and 704 haste rating (21.5% ranged haste)


Thus, under two different condition,

          ranged speed     chance of mastery activated    speed of steady shot   

a.            2.49s                        25%                                    1.72s
b.            2.32s                        14%                                    1.6s

   ranged speed with another 15% ranged haste    ranged speed with rapid fire

a.                                  2.16s                                                     1.54s
b.                                  2.02s                                                     1.44s


We suppose the combat lasts 4 min, the 15% ranged haste increased by the talent Improved Steady Shot always exists during the combat, and use rapid fire 4 times which will last 60 sec in the combat. Thus, the noncritical auto shots' damage should be:(assume every shot causes X damage)

a.  180/2.16*X+60/1.54*X+180/2.16*25%*1.15X+60/1.54*25%*X=155.2x
b.  180/2.02*X+60/1.44*X+180/2.02*14%*1.15X+60/1.54*14%*X=149.6x

The difference is (155.2-149.6)X. It is not hard to realize that the difference increases when the damage of auto shot increases. In other words, the more buffs, which makes good effects to your damage, you have, the large the difference will be. The average damage of my auto shot is 1600, so the difference is around 8960. Next, in order to know which of the two stats is better, we just need to caculate the different damage caused by steady shot and arcane shot under two conditions.

 Speed of steady shot with 15% ranged haste    Steady shot's speed with rapid fire
a.             1.49s                                                           1.0s
b.             1.39s                                                           0.9s


I did average 21 steady shots within 1 min. Now lets assume that we can do 63 steady shots in 3 min, and when we reforge all the haste rating into mastery rating, in theory, the mastery effect should be triggered 15 time, and all the shots take 93.87s; when we dont reforge any haste rating, the mastery effect should be triggered 8 times, and all the shots take 87.57s. 93.87-87.57=6.3s. We can use it to do three steady shots, and an arcane shot. However, the damage of three steady shots and an arcane shot is not as much as the additional 7 mastery shots do, which is able to cause 11270 damage.


Conclusion: In my opinion, in 4 min combat, without any buffs, in theory, turning all the haste rating into mastery rating would do more damage.


                                                                                                                      ------ Aquariusy, Tortheldrin

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