A = Basic Attack Power
B = Skill Attack Power
C = Attack Power Increasing rate
D = Enemy's total accessories Absorption rate
E = Enemy's Defence Power
F = Balance rate
G = Total Damage Increasing rate
H = Skill Attack Power rate
A final damage formula:
Damage = ((A + B)*(1 + C)/(1 + D) - E)*F*(1 + G)*H
Use the screenshots to Prove(European Warrior vs. European Wizard):
European Warrior Details(according to the screenshot):
Basic AP: 3829 ~ 4538 =>We choose its max value 4538
Skill AP: Turn Rising, Physical AP 1210~1478(208%) => We choose its max value 1478
Attack Power Increasing rate: (Two-Handed Sword passive skill, Physical AP + 99%) => 0.99
Balance rate: use the balance formula below => 1.07788162
set M = 28 + Char.Lv*4
then Phy.bal = 100 - 100*2/3*(M - str)/M, Mag.bal = 100*int/M
Total Damage Increasing rate: One of the equipments has a a Damage Increaing rate of 5% => 0.05
Skill AP rate: Turn Rising, Physical AP 1210~1478(208%) => 2.08
Total accessories Absorption rate: 1.009
Defence Power: 2179(Mag. Def)
European Wizard Details(according to the screenshot):
Basic AP: 6964 ~ 8138 =>We choose its max value 8138
Skill AP: Meteor, Magical AP 2052~2508(439%) => We choose its max value 2508
Attack Power Increasing rate: ( Passive skill, Magical AP + 100%) => 1.00
Balance rate: use the balance formula below =>1.13084112
set M = 28 + Char.Lv*4
then Phy.bal = 100 - 100*2/3*(M - str)/M, Mag.bal = 100*int/M
Total Damage Increasing rate: One of the equipments has a a Damage Increaing rate of 5%, Skill Life Turnover add 25%=> 0.30
Skill AP rate: Meteor, Magical AP 2052~2508(439%) => 4.39
Total accessories Absorption rate: Left Ring:23.5% + Right Ring:23.7% + Necklace:30.5% + Earring:26.2% = 103.9% => 1.039
Defence Power:1380(Phy. Def)
Damage Values Calculation:
European Warrior -> European Wizard
Damage = ((A + B)*(1 + C)/(1 + D) - E)*F*(1 + G)*H
=((4538+1478)*(1+0.99)/(1+1.039)-1380)*1.07788162*(1+0.05)*2.08
=10573.24
European Wizard -> European Warrior
Damage = ((A + B)*(1 + C)/(1 + D) - E)*F*(1 + G)*H
=((8138+2508)*(1+1)/(1+1.009)-2179)*1.13084112*(1+0.3)*4.39
=54335.78
See the screenshots below:
The two damage values are: 10576 and 54348
You will find that the real damge values are a bit higher than the values I calculated, because I only use the integer to calculate, such as AP, Defence Power, accessories absorption rate etc, they have been round up before showing to us.
Credits to mmosite (who translated from Chinese) and O小牛0 who discovered it.
http://sro.mmosite.com/content/2009-09- ... 2992.shtml
http://bbs.srocn.com/dispbbs.asp?boardI ... 779&skin=0
I thought someone is gonna find a formula for damage. 
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