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Armor

From Liquipedia Warcraft Wiki

This article is about armor rating and the reduction of physical damage because of the rating. For the damage modification by armor types read: Armor and Attack types

Armor Stacking[edit]

Each point of armor increases the effective hit points of the unit by 6% of the unit's base hit points. As a result the amount of effective hit points is always increased by the same absolute amount per point of armor regardless of the current armor rating. However the relative increase in effective hit points per point of armor is reduced for higher armor ratings compared to lower armor ratings. Therefore it is recommended to give Rings of Protection to low armor heroes such as the Tauren Chieftain or the Alchemist.

Formulae[edit]

Damage reduction (positive armor):
Reduction = armor * 0.06/1 + 0.06 * armor

Damage amplification (negative armor):
Amplification = 2 - 0.94armor

Armor Table[edit]

Armor Rating Damage Reduction Effective Hit Points ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ Armor Rating Damage Amplification
1 5.66% 106% -1 6.00%
2 10.71% 112% -2 11.64%
3 15.25% 118% -3 16.94%
4 19.35% 124% -4 21.93%
5 23.08% 130% -5 26.61%
6 26.47% 136% -6 31.01%
7 29.58% 142% -7 35.15%
8 32.43% 148% -8 39.04%
9 35.06% 154% -9 42.70%
10 37.50% 160% -10 46.14%
11 39.76% 166% -11 49.37%
12 41.86% 172% -12 52.40%
13 43.82% 178% -13 55.26%
14 45.65% 184% -14 57.95%
15 47.37% 190% -15 60.47%
16 48.98% 196% -16 62.84%
17 50.49% 202% -17 65.07%
18 51.92% 208% -18 67.17%
19 53.27% 214% -19 69.14%
20 54.54% 220% -20 70.99%
21 55.75% 226% -21 72.73%
22 56.90% 232% -22 74.37%
23 57.98% 238% -23 75.90%
24 59.02% 244% -24 77.35%
25 60.00% 250% -25 78.71%

Status Effects affecting Armor[edit]

Class: Magical
Type: Negative
This unit has Faerie Fire; it has reduced armor and can be seen by the enemy.
Armor reduction: 4
Sources: Faerie Fire
Class: Magical
Type: Negative
This unit has been Acid Bombed; it has reduced armor, and is being damaged over time.
Armor reduction: 3/4/5
Damage per second: 5/10/17 or 3/6/11
Sources: Acid Bomb
Corruption
Class: Magical
Type: Negative
This unit was hit by an Orb of Corruption; its armor is temporarily reduced.
Armor reduction: 4
Sources: Orb of Corruption