What grants Major Vulnerability in ESO?

6 sets and 4 skill morphs grant Major Vulnerability (0 area-of-effect, 4 single target). From skills it is available to: Necromancer.

Does Major Vulnerability stack in ESO?

No. Two sources of Major Vulnerability do not stack — the second is wasted. One source is enough; cover it once and spend the rest of your build elsewhere.

All 10 sources of Major Vulnerability in ESO

6 sets and 4 skill morphs grant Major Vulnerability — each with the exact datamined line that grants it.

What it does+10% damage taken by the enemy.

data retrieved 2026-08-23 · datamined via UESP

Sets that grant Major Vulnerability (6)

Set	How (exact bonus)
Archdruid Devyric	When you deal damage with a Heavy Attack, after 1.2 seconds deal 650 Shock damage to up to 6 enemies within a 7 by 5 meter line on your target, applying Major Vulnerability to them for 7 seconds, increasing the damage enemies take by 10%. This effect can occur once every 15 seconds and scales off the higher of your Weapon or Spell Damage.
Coup De Grâce	Dealing damage to an Immobilized enemy applies Major Vulnerability to them for 3 seconds, increasing their damage taken by 10%. This effect can occur once every 1 second.
Kynmarcher's Cruelty	(5 items) When you deal direct damage, you apply one of 5 random Major debuffs to enemies within 8 meters of you for 18 seconds. This effect can occur once every 8 seconds and only if an enemy is in range. Eligible effects are Major Breach, Major Cowardice, Major Defile, Major Maim, and Major Vulnerability.
Stonehulk Domination	When you taunt an enemy, apply Major Vulnerability to them, increasing their damage taken by 10% for 12 seconds. This effect can occur once every 15 seconds.
Turning Tide	When you Block, you gain Flowing Water for 10 seconds, causing your next Bash attack to deal 2223 Magic damage to up to 6 enemies in a 5 by 10 meter line, and apply Major Vulnerability for 10 seconds, increasing their damage taken by 10%. This effect can occur once every 15 seconds and scales off your Max Health.
Umbral Edge	When you cast a Shadow ability, you gain Umbral Riposte for 3 seconds, up to once every 6 seconds. Umbral Riposte causes you to dodge the next attack made against you and automatically curses the attacking enemy, applying Major Vulnerability for 5 seconds, increasing their damage taken by 10%.

Skills that grant Major Vulnerability (4 morphs)

Listed per morph, because a morph is what you actually slot and morphs of the same skill do not all carry Major Vulnerability.

Single target (4)

One enemy per cast.

Morph to slot	Skill line	How (exact datamined line)
Veil's Forfeit	Necromancer · Class Mastery	Extends the duration of Major Vulnerability you apply by 50%.
Frozen Colossus	Necromancer · Grave Lord	Dealing damage applies Major Vulnerability to any enemy hit for 12 seconds, increasing their damage taken by 10%.
Glacial Colossusmorph	Necromancer · Grave Lord	Dealing damage applies Major Vulnerability to any enemy hit for 17 seconds, increasing their damage taken by 10%.
Pestilent Colossusmorph	Necromancer · Grave Lord	Dealing damage applies the Diseased status effect and Major Vulnerability to any enemy hit for 12 seconds, increasing their damage taken by 10%.