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What is the current defense and armor formula?

I was wondering cause there is a magical damage formula, but its from like 7.4, and the game changed so much.
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Could you please improve your question? I will try to fix and make it more adequate to what you probably intended to ask.

1 Answer

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Note that:

  • Armor reduction will only apply when damage crosses the shield.
  • The damage armor needs to reduce may be lower than original damage because of the shield reduction.
  • If you get a negative number as armor reduction, it means 0.
  • Floor function is used here, basically it means that we remove decimals.
  • Ceil function is used here, basically it means that we round up numbers with decimals to next integer.


  • r = minimum armor reduction
  • R = maximum armor reduction
  • t = total armor
  • d = damage (after the shield)
  • p = percentage reduction of item

Armor Reduction

{\displaystyle r=\left\lfloor {\frac {t}{2}}\right\rfloor }

{\displaystyle R=\left\lfloor {\frac {t}{2}}\right\rfloor \cdot 2-1}

where {\displaystyle \left\lfloor x\right\rfloor } denotes floor function (rounding down).

Percentage Reduction

This formula have to be applied for every single item that has percentage reduction.

{\displaystyle d=\left\lfloor {\frac {100-p}{100}}\cdot d\right\rfloor }


You get a hit with original value of 200 wearing only Zaoan Helmet and Protection Amulet

t = total armor = 9

{\displaystyle r=\left\lfloor {\frac {9}{2}}\right\rfloor }

r = 4

{\displaystyle R=r\cdot 2-1}

R = 7

Now we calculate the % reduction that Zaoan Helmet has

p = 5

{\displaystyle d=\left\lfloor {\frac {100-5}{100}}\cdot 200\right\rfloor }

d = 190

Now we calculate the % reduction that Protection Amulet has

p = 6

{\displaystyle d=\left\lfloor {\frac {100-6}{100}}\cdot 190\right\rfloor }

d = 178

For this example, damage becomes 178, minimum armor reduction will be 4 and maximum armor reduction will be 7, so the hit will hit you from 171 to 174.

Armor and Defense

  • Damage reduction


{\displaystyle totalArmor\cdot 0.475}


{\displaystyle totalArmor\cdot 0.95-1}

  • Attack of Creature = a

(Let's supose that a creature has a max damage of 500. The attack of creature will be a random number from 1 to 500)

  • Defense = b (Defense value of your shield plus your weapon modifier or defense value of your two handed weapon)
  • Total Armor = c (Make a sum of all your set arm value)
  • Shielding = d
  • Defense factor = e

Full Attack: 5
Balanced: 7
Defensive: 10

Now use this formula:

{\displaystyle a-b\cdot d\cdot {\frac {e}{100}}-{\frac {a}{100}}\cdot c=averageDamage}

NOTICE: The max damage of a creature could be higher than the max damage in creatures page.


The rest of formulas you can find them on this link: