Information about the Armor Penetration Attribute in Diablo Immortal. What does Armor Penetration do, and how to improve your Armor Penetration score?

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Armor Penetration will allow you to deal greater critical hit damage and more damage when enemies block your attacks.

What Does Armor Penetration Do in Diablo Immortal?¶

Armor Penetration is a relative value, and if your Armor Penetration is higher than expected for your character level, you’ll deal increased critical hit damage and deal extra damage when an enemy blocks, while if your Armor Penetration is lower than expected for your character level, you may deal less damage when an enemy blocks your attacks.

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(1 of 2) You can increase your Armor Penetration attribute by equipping Sapphires,

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You can increase your Armor Penetration attribute by equipping Sapphires, (left), or by installing and upgrading specific Vessels in the Legacy of the Horadrim. (right)

How to Increase Your Armor Penetration Attribute¶

Armor Penetration is a secondary attribute in Diablo Immortal, and as such it is derived from numerous sources, including your Fortitude attribute, equipped Normal Gems, and by upgrading the [Legacy of the Horadrim].

Fortitude¶

Most gear generally gives you flat bonuses to Damage or Life, as well as having a Magic Property and potentially a Legendary Property. In addition, equipment will give you Attribute bonuses, with rarer, higher level equipment granting higher Attribute bonuses. Any piece of gear - provided it’s at least of Rare quality or higher should have bonuses to two different Attributes on it. What two attributes a piece of equipment has on it is random, as is the value of said Attribute bonuses.

In addition to gear, your Resonance score modifies the Base Attribute bonuses your equipped gear grants you, with a higher Resonance score yielding a higher percentage bonus to your Attribute scores. Since many other derived stats like Armor Penetration, Armor Penetration Penetration, Combat Rating, Damage, Life, Potency and Resistance are directly influenced by your Attributes, your Resonance score is immensely important, and does much to determine your overall effectiveness in combat. Resonance is primarily gained by equipping Legendary Gems, the rare the Legendary Gem and the more it has been upgraded, the higher the Resonance bonus, hence the higher your Attributes will be boosted.

Sapphires¶

Socketing Sapphires (Normal Gems, you must have secondary gear with blue gem sockets to equip) will increase your Armor Penetration attribute. Upgrading Normal Gems to higher ranks will cause their effects to increase substantially.

Legacy of the Horadrim¶

Installing Vessels into the Legacy of the Horadrim will provide passive bonuses to various stats, with the Caldesan’s Compassion increasing Armor Penetration. Upgrading installed Vessels will increase the stat bonuses they provide.