Life steal

Life Steal converts a percentage of the damage dealt by a champion's physical attack to health. Life steal is calculated from the actual damage done to an enemy, after armor reduction. This statistic scales additively; meaning that each bonus point acquired directly affects the statistic. Most champions begin with 0% base life steal.

Life Steal can be increased by several items. There also are some abilities like 's Ultimate,, that grant additional Life Steal.

Items which increase Life Steal
The following items provide bonus Life steal:
 * +4% Life Steal. +120 Health, +6 Damage. 435 Gold.
 * +12% Life Steal. 450 Gold.
 * +17% Life Steal. UNIQUE Aura: Nearby allied Champions gain 10 Health Regen per 5 sec. 800 Gold.
 * +18% Live Steal. +15% Critical Strike Chance, UNIQUE Passive: On hit, you cause 4 damage per second for 8 seconds. UNIQUE Active: Attacks inflict enemy champions with Grievious Wounds, causing 50% reduced healing and regeneration for 7 seconds, Lasts 10 seconds. 60 second cooldown. 1600 Gold.
 * +15% Life Steal. +50% Attack Speed, UNIQUE Passive: Your physical attacks infect your target, causing them to take 5 bonus damage (stacks up to 6 times) each time they are attacked by any champion. 1890 Gold.
 * +12% Life Steal. +25 Damage, UNIQUE Active: Deals 150 magic damage and slows the target champion by 50% for 3 seconds (300 range). 60 second cooldown. 1900 Gold.
 * +15% Life Steal. +60 Attack Damage, Passive: Gain an additional 1 Physical Damage and 0.25% Life Steal per kill. Maximum of +40 Damage and 10% Lifesteal. Bonuses are lost upon death. 3200 Gold.
 * +15% Life Steal. +45 Attack Damage, +55 AP, +12% Spell Vamp, UNIQUE Active: Deals 300 magic damage and slows the target champion by 50% for 3 seconds (700 range). 60 second cooldown. 3625 Gold.
 * +20% Attack Speed, UNIQUE Aura: Gives nearby allied Champions 20% Life Steal, 20% Attack Speed, and 30 Health per 5 seconds regenerated. Reduces the Armor of nearby enemy champions by 20. 2550 Gold.

Updates
Due to recent updates this article might not be actual. It was last updated during Patch 1.0.0.86. If there is a new version out, please check the data frequently.