Spell vamp is a magic stat that works as a counterpart of life steal. However, instead of regenerating health based on basic attacks, the regeneration of health is based on damage done by champion abilities. It works off of activated item effects, summoner spells, and abilities, regardless of the type of damage done. Spell vamp is calculated from the damage dealt to the enemy after reductions such as magic resistance, armor or effects like . See also : list of effects that apply or don't apply spell vamp.
Increasing spell vamp
- Unique passive: +12% spell vamp, +40 ability power. 1200 gold :
- Unique passive:+20% spell vamp, +40 attack damage, +15% life steal, +70 ability power. Unique active: Deals 300 magic damage and slows the target champion by 50% for 3 seconds. 60 second cooldown. 3625 gold. :
- Unique passive: +10% spell vamp. +350 health, +40 attack damage. Unique passive:+10% cooldown reduction. Unique passive: +25 armor penetration. 2962 gold. :
- Unique passive: Increases healing and regeneration on yourself by 15% (includes spell vamp). +30 magic resistance, +250 health. Unique passive: Reduces ability cooldowns by 10%. 1550 gold. :
- Unique aura: Grants nearby allied champions +30 ability power and +20% spell vamp.+50 ability power. 2500 gold. :
- grants 35% spell vamp for the next spell upon reaching 9 charges of Essence Theft.
- grants 8% spell vamp when she obtains 10 bonus attack damage, increasing by an additional 1% for every 6 bonus attack damage gained thereafter.
- grants 5% / 9% / 13% / 17% / 21% spell vamp.
- grants Error: Parameter '3' is not accepted. spell vamp.
- increases his damage based on his health and grants him 9% / 12% / 15% / 18% / 21% life steal and spell vamp for 6 seconds.
- grants 15% / 20% / 25% spell vamp.
- Transmutation Transmutation grants 1% / 2% / 3% spell vamp.
- Quintessences of Transmutation grant 1.12% / 1.56% / 2% spell vamp.
- All items that provide spell vamp have that stat as unique passive. Accordingly, same item stacking won't make spell vamp stack.
- Spell vamp applies to all types of damage: magic, physical and true.
- There's a common misconception it only applies to magic damage, which is not true.
- Spell vamp applies to everything that isn't classified as an auto-attack. This is most abilities, but also includes items (e.g. Smite).
) and summoner spells (e.g.
- On-hit damage modifiers (e.g.
, aka "bonus" or "additional" damage), on-hit damage over time (e.g. and ) and abilities that apply on-hit effects (e.g. and ) are classified as auto-attacks, and will not apply spell vamp.
- They will instead apply life steal, permitting they deal physical damage.
- Life steal only applies to the physical portion of basic attacks. For example, will apply life steal but and will not.
- Nothing replenishes health for magic and true damage dealt by auto-attacks.
- A list of champion abilities on-hit effects that trigger spell vamp can be found here.
- On-hit damage modifiers (e.g.
- Area of effect (AoE) spells only apply 33% of the listed spell vamp.
- Some abilities as are classified as multiple single-target projectiles, and will apply 100% of your spell vamp. Whether an ability is classified as such is case-by-case. For example, is classified as AoE despite being similar to .
- Abilities with both single-target and multi-target effects, such as and , will apply spell vamp depending on which effect occurs. In that, full spell vamp against a single target; or 33% against multiple targets.
- Single target abilities that apply splash damage will apply full spell vamp to the original target, and 33% to the splash damage. For example, with and .
- Damage over time abilities (DoT) apply full spell vamp. (e.g. and ).
- Does not work with the reflected damage of . It does, however, work with the reflected damage of and .
- Healing reduction effects like Ignite, , and reduce the health restored by spell vamp. See healing reduction for more information.
The amount of health restored with Spell Vamp follows the following formula:
- Health restored = total spell damage × spell vamp × vamp coefficient
- Total spell damage is the the mitigated spell damage done to every target affected, and
- Vamp coefficient is 1 for single target spells and 1/3 for multi-target spells.
- 25% spell vamp on a single-target spell that does 100 damage will return 100 × 0.25 × 1 = 25 health.
- 25% spell vamp on an AoE spell that does 100 AoE damage to each of 4 targets will return 4 × 100 × 0.25 × (1 / 3) = 33.3 health.
The greatest spellvamp currently possible is 200% on.
- Attack Damage sources
- Total AD: 592 AD (note that the first 10AD equates to 8%)
- Conversion: (592 - 10) / 6 = 97.04%
- Total: 105.04%
- Spell Vamp sources
- Total: 69%
- Improves the subtotal of 174.04% to 174.04 * 1.15 = 200.15%