Energy shield

"Energy Shield" redirects here. For the basic passive skill, see Energy Shield (passive skill).

Energy shield is a form of defence that acts as an additional hit point pool on top of life. Unlike life, energy shield will quickly regenerate naturally after the character has not taken any damage for 2 seconds.

Every class starts with no energy shield, and gains 2% increased maximum energy shield every 10 intelligence.

Mechanics

Damage mitigation

If the character has any energy shield remaining when damage is taken, that damage is inflicted on energy shield first. Damage is only applied to life once all energy shield is depleted. The exception to this is chaos damage, which ignores energy shield.

Recharging

File:Increased energy shield cooldown recovery.png

Effect of increased cooldown recovery on delay period

Energy shield will automatically begin to recharge if the character does not take any damage for a certain period of time. With Blood Magic, spending life instead of mana to use a skill counts as taking damage. By default, the delay period for energy shield to begin to recharge is 2 seconds. This can be reduced with Increased Energy Shield Cooldown Recovery modifiers from passive skills and equipment.

Let r be the sum of increased cooldown recovery modifiers. The delay period in seconds is given by:

600 / (100 + r)

For example, having 100% increased cooldown recovery results in a delay period of 3 seconds. Increasing cooldown recovery has sharply diminishing returns and the delay period cannot be eliminated entirely.

By default, energy shield recharges at a rate equal to a third of the character's maximum energy shield per second. Energy shield will stop recharging when it reaches maximum or if the character takes damage.

Stun avoidance

While the character has any energy shield remaining he has a 50% chance to avoid being stunned. This bonus is not additive with other stun avoidance modifiers from passive skills and equipment; the chance to avoid stun granted by energy shield is rolled separately.

Skills

The auras increases energy shield of the character and nearby allies: Discipline,Vaal Discipline.

Passive skills

There are passive skills that grant energy shield bonuses.

Energy shield

These passive skills grant increased maximum energy shield, more maximum energy shield, or additional base maximum energy shield.

Energy shield on shields

These passive skills grant increased energy shield from equipped shields.

Energy shield delay

These passive skills grant faster start of energy shield recharge.

Miscellany

These passive skills are related to energy shield, but do not fit into any other category.