Named item effect

Named item effects function similarly to unique effects, except that the effect is unique across any and all items which provide the named effect. Similar effects that do not share a name will stack, such as Quicksilver Sash Quicksilver Sash and Mikael's Crucible Mikael's Crucible. Some item effects are named but still unique to an item; these effects are listed at the end of the page and not described here.

Shared effects

These effects are currently shared between multiple items.

Awe

Awe grants bonus stat based on your maximum mana, while also refunding a part of your mana spent.

The following items grant Awe:

• Tear of the Goddess Tear of the Goddess: Passive: Unique – Awe: Refunds 15% of mana spent.
• Manamune Manamune: Passive: Unique – Awe: Grants bonus attack damage equal to 2% maximum mana. Refunds 15% of mana spent.
• Muramana Muramana: Passive: Unique – Awe: Grants bonus attack damage equal to 2% maximum mana. Refunds 15% of mana spent.
• Archangel's Staff Archangel's Staff: Passive: Unique – Awe: Grants bonus ability power equal to 3% maximum mana. Refunds 25% of mana spent.
• Seraph's Embrace Seraph's Embrace: Passive: Unique – Awe: Grants bonus ability power equal to 3% maximum mana. Refunds 25% of mana spent.

Bandit

20px Bandit grants  gold for nearby minions you didn't kill, and also  bonus gold when basic attacking champions.

The following items grant Bandit:

• Ancient Coin Ancient Coin
• Nomad's Medallion Nomad's Medallion
• Talisman of Ascension Talisman of Ascension
• Eye of the Oasis Eye of the Oasis
• Relic Shield Relic Shield
• Targon's Brace Targon's Brace
• Face of the Mountain Face of the Mountain
• Eye of the Equinox Eye of the Equinox
• Spellthief's Edge Spellthief's Edge
• Frostfang Frostfang
• Frost Queen's Claim Frost Queen's Claim
• Eye of the Watchers Eye of the Watchers

Cleave / Crescent

Cleave causes the champion's basic attacks to deal physical splash damage to units around the target. Crescent is an active effect that causes the champion to either deal physical damage in an area around them, or enhance the effects of Cleave.

The following items grant Cleave:

• Tiamat Tiamat: Passive: Unique – Cleave: Basic attacks deal (20% to 60% AD) physical damage to units around your target – (20% AD near the edge) (350 units radius).
• Ravenous Hydra Ravenous Hydra: Passive: Unique – Cleave: Basic attacks deal (20% to 60% AD) physical damage to units around your target – (20% AD near the edge) (350 units radius).
• Titanic Hydra Titanic Hydra: Passive: Unique – Cleave: Basic attacks deal 5 (+ 1% maximum health) bonus on-hit physical damage. Additionally, basic attacks also deal 40 (+ 2.5% maximum health) physical damage in a cone to units behind the target (700 range).

The following items grant Crescent:

• Tiamat Tiamat: Active: Unique – Crescent: Deals (60% to 100% AD) physical damage to units around you – (60% AD near the edge) (400 units radius) (10 second cooldown).
• Ravenous Hydra Ravenous Hydra: Active: Unique – Crescent: Deals (60% to 100% AD) physical damage to units around you – (60% AD near the edge) (400 units radius) (10 second cooldown).
• Titanic Hydra Titanic Hydra: Active: Unique – Crescent: On your next basic attack, Cleave's damage to all targets is increased to 40 (+ 10% maximum health) and has a larger cone (20 second cooldown). Crescent resets your autoattack timer.

Cold Steel

Cold Steel causes basic attacks against you to 20px cripple the enemy champion.

The following items grant Cold Steel:

• Warden's Mail Warden's Mail: Passive: Unique – Cold Steel: When hit by basic attacks, 20px cripples source's attack speed by 15% for 1 second.
• Randuin's Omen: Passive: Unique – Cold Steel: When hit by basic attacks, 20px cripples source's attack speed by 15% for 1 second.
• Thornmail Thornmail: Passive: Unique – Cold Steel: When hit by basic attacks, 20px cripples source's attack speed by 15% for 1 second.

Conduit

Conduit binds to an ally without an existing Conduit.

The following items grant Conduit:

• Zeke's Convergence Zeke's Convergence: Active: Unique – Conduit: Designate an allied champion as your Conduit (0.5 second cooldown).

Dissonance / Harmony

Dissonance grants +5 ability power for every +25% base mana regeneration, while also disabling Harmony on other items wielded.

Harmony grants +25% base health regeneration for every additional 25% base mana regeneration. The effect itself doesn't multiply when having both Chalice of Harmony Chalice of Harmony and Mikael's Crucible Mikael's Crucible but it takes into account the additional base mana regeneration provided by both items and acquires total respective amount of additional base health regeneration.

The following items grant Dissonance:

• Athene's Unholy Grail Athene's Unholy Grail: Passive: Unique – Dissonance: Gain +5 ability power for every additional 25% base mana regeneration. Disables Harmony on your other items.

The following items grant Harmony:

• Chalice of Harmony Chalice of Harmony: Passive: Unique – Harmony: Gain +25% base health regeneration for every additional 25% base mana regeneration.
• Mikael's Crucible Mikael's Crucible: Passive: Unique – Harmony: Gain +25% base health regeneration for every additional 25% base mana regeneration.

Do or Die / Dread

Do or Die grants Glory for champion kills and assists and reduces Glory upon death. Glory is utilized by Dread to gain ability power and possibly bonus movement speed.

The following items grant Do or Die and Dread:

• The Dark Seal The Dark Seal: Passive: Unique – Do or Die: Grants 2 Glory (+6 AP) for a champion kill and 1 Glory (+3 AP) for an assist, up to a maximum of 10 Glory stacks (+30 AP). Upon death, lose 4 Glory stacks (-12 AP).
• Mejai's Soulstealer Mejai's Soulstealer: Passive: Unique – Do or Die: Grants 4 Glory (+20 AP) for a champion kill and 2 Glory (+10 AP) for an assist, up to 25 Glory (+125 AP). Upon death, lose 10 Glory stacks (-50 AP).

The following items grant Dread:

• The Dark Seal The Dark Seal: Passive: Unique – Dread: Grants +3 ability power per stack of Glory.
• Mejai's Soulstealer Mejai's Soulstealer: Passive: Unique – Dread: Grants +5 ability power per stack of Glory. Grants +10% bonus movement speed at 15 Glory.

Echo

Echo causes you to gain charges upon moving or casting. At 100 charges, the next instance of ability damage you deal will expend all charges to deal bonus magic damage to the first enemy hit and summon up to 3 lesser bolts that target nearby enemies, prioritizing enemies damaged by the ability and champions over minions.

The following items grant Echo:

• Luden's Echo Luden's Echo: Passive: Unique – Echo: Gains charges upon moving or casting. At 100 charges, the next instance of ability damage you deal will expend all charges to deal 100 (+ 10% AP) bonus magic damage to the first enemy hit and summon up to 3 lesser bolts that target nearby enemies, prioritizing enemies damaged by the ability and champions over minions.
• Runic Echoes Runic Echoes: Passive: Unique – Echo: Gains charges upon moving or casting. At 100 charges, the next instance of ability damage you deal will expend all charges to deal 60 (+ 10% AP) bonus magic damage to the first enemy hit and summon up to 3 lesser bolts that target nearby enemies, prioritizing enemies damaged by the ability and champions over minions.

Energized Strike

Energized Strike causes you to gain Energize stacks from movement and basic attacks. At 100 Energize stacks, your next basic attack deals bonus magic damage and possibly has other effects. The damage from Energized Strike does not stack from multiple items, so it only applies the highest amount of damage from your energized items to your Energized Strike^[1].

The following item grants Energized Strike:

• Kircheis Shard: Passive: Moving and attacking generates Energize stacks, up to 100. When fully  Energized, your next basic attack gains Energized Strike. Passive: Unique – Energized Strike: Your next basic attack deals +50 bonus on-hit magic damage.
• Rapid Firecannon Rapid Firecannon: Passive: Moving and attacking generates Energize stacks, up to 100. When fully  Energized, your next basic attack gains Firecannon. Passive: Unique – Firecannon: Your next basic attack gains 35% increased range (up to a maximum of +150 range) and deals 50 - 120 (in base al livello) bonus on-hit magic damage.
• Statikk Shiv Statikk Shiv: Passive: Moving and attacking generates Energize stacks, up to 100. When fully  Energized, your next basic attack gains Shiv Lightning. Passive: Unique – Shiv Lightning: Your next basic attack (on-hit) sparks lightning to up to 5 nearby units, dealing 60 - 160 (in base al livello) bonus magic damage, increased to 99 - 264 (in base al livello) against minions.

Enhanced Movement

Enhanced Movement grants the user bonus movement speed.

The following items grant Enhanced Movement:

• Slightly Magical Boots Slightly Magical Boots: Passive: Unique – Enhanced Movement: +25 flat movement speed
• Boots of Speed Boots of Speed: Passive: Unique – Enhanced Movement: +25 flat movement speed
• Berserker's Greaves Berserker's Greaves: Passive: Unique – Enhanced Movement: +45 flat movement speed
• Boots of Mobility Boots of Mobility: Passive: Unique – Enhanced Movement: +25 flat movement speed Passive: Increases to +115 flat movement speed when out-of-combat. Receiving damage, dealing damage or debuffing units will put you in-combat, disabling this passive for 5 seconds.
• Boots of Swiftness Boots of Swiftness: Passive: Unique – Enhanced Movement: +55 flat movement speed
• Ionian Boots of Lucidity Ionian Boots of Lucidity: Passive: Unique – Enhanced Movement: +45 flat movement speed
• Mercury's Treads Mercury's Treads: Passive: Unique – Enhanced Movement: +45 flat movement speed
• Ninja Tabi Ninja Tabi: Passive: Unique – Enhanced Movement: +45 flat movement speed
• Sorcerer's Shoes Sorcerer's Shoes: Passive: Unique – Enhanced Movement: +45 flat movement speed

Eternity

Eternity transforms 15% of damage taken from champions into mana. Also transforms 20% of mana spent into health, up to an amount per cast (toggle spells heal for up to an amount per second).

The following items grant Eternity:

• Catalyst of Aeons Catalyst of Aeons: Passive: Unique – Eternity: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 15 health per cast, while toggle abilities can heal for up to 15 per second.
• Hextech GLP-800 Hextech GLP-800: Passive: Unique – Eternity: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 25 health per cast, while toggle abilities can heal for up to 25 per second.
• Rod of Ages Rod of Ages: Passive: Unique – Eternity: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 25 health per cast, while toggle abilities can heal for up to 25 per second.
• Abyssal Mask Abyssal Mask: Passive: Unique – Eternity: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 25 health per cast, while toggle abilities can heal for up to 25 per second.
• Infernal Mask Infernal Mask: Passive: Unique – Eternity: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 25 health per cast, while toggle abilities can heal for up to 25 per second.

Executioner

Executioner grants the user the ability to inflict  Grievous Wounds on enemy champions upon dealing physical damage.

The following items grant Executioner:

• Executioner's Calling Executioner's Calling: Passive: Unique – Executioner: Physical damage inflicts  Grievous Wounds on enemy champions for 3 seconds.
• Mortal Reminder Mortal Reminder: Passive: Unique – Executioner: Physical damage inflicts  Grievous Wounds on enemy champions for 5 seconds.

Eyes of Pain

Eyes of Pain grants 15 magic penetration.

The following items grant Eyes of Pain:

• Haunting Guise Haunting Guise: Passive: Unique – Eyes of Pain: +15 magic penetration
• Liandry's Torment Liandry's Torment: Passive: Unique – Eyes of Pain: +15 magic penetration

Favor

Favor makes nearby enemy minions killed by your allies sometimes drop coins that either grant gold or restore mana.

The following items grant Favor:

• Ancient Coin Ancient Coin: Passive: Unique – Favor: Nearby enemy minions, killed by any ally other than you, will sometimes drop a coin that can be picked up to either grant  25 or restore 6% missing mana (minimum 10). Cannon minions will drop a coin as long as you don't kill them.
• Nomad's Medallion Nomad's Medallion: Passive: Unique – Favor: Nearby enemy minions, killed by any ally other than you, will sometimes drop a coin that can be picked up to either grant  40 or restore 6% missing mana (minimum 10). Cannon minions will drop a coin as long as you don't kill them.
• Talisman of Ascension Talisman of Ascension: Passive: Unique – Favor: Nearby enemy minions, killed by any ally other than you, will sometimes drop a coin that can be picked up to either grant  40 or restore 6% missing mana (minimum 10). Cannon minions will drop a coin as long as you don't kill them.
• Eye of the Oasis Eye of the Oasis: Passive: Unique – Favor: Nearby enemy minions, killed by any ally other than you, will sometimes drop a coin that can be picked up to either grant  40 or restore 6% missing mana (minimum 10). Cannon minions will drop a coin as long as you don't kill them.

Frostfire Covenant

Frostfire Covenant: Basic attacking a burning enemy ignites your frost storm to deal 40 magic damage per second and slow by 40% instead for 3 seconds.

The following items grant Frostfire Covenant:

• Zeke's Convergence Zeke's Convergence: Passive: Unique – Frostfire Covenant: If an enemy is both struck by Frost and Fire, your Frost storm ignites and becomes Frostfire. A Frostfire storm, deals 40 magic damage per second and slows by 40% instead for 3 seconds.

Giant Slayer

Giant Slayer items grants a passive effect.

• Giant Slayer Giant Slayer: Passive: Unique – Giant Slayer: Grants 0% - 10% (in base al health difference) bonus physical damage against enemy champions with greater maximum health than you.
• Lord Dominik's Regards Lord Dominik's Regards: Passive: Unique – Giant Slayer: Grants 0% - 20% (in base al health difference) bonus physical damage against enemy champions with greater maximum health than you.

Hextech

Hextech items grants a variety of active and passive effect.

The following items grant Frost Bolt:

• Hextech GLP-800 Hextech GLP-800: Active: Unique – Frost Bolt: Fires a spray of icy bolts that explode, dealing 100 - 200 (in base al livello) (+ 35% AP) magic damage and  slowing by 65%, decaying over 0.5 seconds, all enemies hit (40 second cooldown, shared with other Hextech items).

The following items grant Fire Bolt:

• Hextech Protobelt-01 Hextech Protobelt-01: Active: Unique – Fire Bolt: Dash forward and unleash a nova of seven fire bolts that individually deal 75 - 150 (in base al livello) (+ 25% AP) magic damage (40 second cooldown, shared with other Hextech items). Champions and monsters hit by multiple fire bolts take 10% damage per additional bolt.

The following items grant Lightning Bolt:

• Hextech Gunblade Hextech Gunblade: Active: Unique – Lightning Bolt: Instantly deals 175 - 253 (in base al livello) (+ 30% AP) magic damage and  slows the target champion's movement speed by 40% for 2 seconds (700 range) (40 second cooldown, shared with other Hextech items).

The following items grant Magic Bolt:

• Hextech Revolver Hextech Revolver: Passive: Unique – Magic Bolt: Damaging an enemy champion with a basic attack shocks them for 50 - 125 (in base al livello) bonus magic damage. (40 second cooldown, shared with other Hextech items.)

Icy

Icy slows an opponent's movement speed. Slows from items with Icy do not stack with each other (only the strongest slow will apply).

The following items provide Icy:

• Frozen Mallet Frozen Mallet: Passive: Unique – Icy: Basic attacks (on-hit) apply a  40% slow to your target for 1.5 seconds, refreshing with every hit.
• Iceborn Gauntlet Iceborn Gauntlet: Passive: Unique – Icy Zone: Triggering Spellblade also deals (100% base AD) physical damage to enemies surrounding the target and creates a icy zone for 2 seconds, which  slows enemies within by 30%. The zone has a radius of 180 (+ 55% bonus armor) units.
• Rylai's Crystal Scepter Rylai's Crystal Scepter: Passive: Unique – Icy: Damaging abilities and pet attacks  slow affected units by 20% for 1 second.
  • This passive is not labeled as Icy, but behaves as if it were.

Immolate

Immolate deals magic damage to surrounding enemies every second in a 400-radius.

The following items provide Immolate:

• Bami's Cinder Bami's Cinder: Passive: Unique – Immolate: Deals 6 - 23 (in base al livello) magic damage per second to nearby enemies. Deals 「 100% bonus 」「 12 - 46 (in base al livello) 」 magic damage to minions and monsters (325 range).
• Cinderhulk Cinderhulk: Passive: Unique – Immolate: Deals 12 - 29 (in base al livello) magic damage per second to nearby enemies. Deals 「 200% bonus 」「 36 - 87 (in base al livello) 」 magic damage to minions and monsters (325 range).
• Sunfire Cape Sunfire Cape: Passive: Unique – Immolate: Deals 26 - 43 (in base al livello) magic damage per second to nearby enemies. Deals 「 50% bonus 」「 39 - 64.5 (in base al livello) 」 magic damage to minions and monsters (325 range).
• Forgefire Cape Forgefire Cape: Passive: Unique – Immolate: Deals 26 - 43 (in base al livello) magic damage per second to nearby enemies. Deals 「 50% bonus 」「 39 - 64.5 (in base al livello) 」 magic damage to minions and monsters (325 range).

Last Whisper

Last Whisper grants the user bonus armor penetration.

The following items grant Last Whisper:

• Last Whisper Last Whisper: Passive: Unique – Last Whisper: +35% bonus armor penetration.
• Lord Dominik's Regards Lord Dominik's Regards: Passive: Unique – Last Whisper: + 35% bonus armor penetration.
• Mortal Reminder Mortal Reminder: Passive: Unique – Last Whisper: +35% bonus armor penetration.

Lifeline

Lifeline grants you a type of shield upon taking damage that would decrease you below a threshold.

The following items grant Lifeline:

• Hexdrinker Hexdrinker: Passive: Unique – Lifeline: If you would take magic damage that would reduce maximum health below 30%, you first gain a shield that absorbs 110 - 280 (in base al livello) magic damage for 5 seconds (90 second cooldown).
• Maw of Malmortius Maw of Malmortius: Passive: Unique – Lifeline: If you would take magic damage that would reduce maximum health below 30%, you first gain a shield that absorbs 300 (+ 100% bonus magic resistance) magic damage for 5 seconds (90 second cooldown).
• Sterak's Gage Sterak's Gage: Passive: Unique – Lifeline: If you take 400 - 1800 (in base al livello) damage within 5 seconds, you gain a shield for 8 seconds equal to 75% bonus health that decays after 0.75 seconds (60 second cooldown).
  Triggering Lifeline grants Sterak's Fury.

Mana Charge

Mana Charge increases the user's maximum mana, upon casting spells, for a maximum of 2 times every 8 seconds. This caps at 750 bonus mana.

The following items grant Mana Charge:

• Archangel's Staff Archangel's Staff: Passive: Unique – Mana Charge: Grants a charge every 4 seconds, up to 3 charges. Each mana expenditure consumes a charge and grants +8 mana, up to a maximum of 750 mana.
• Manamune Manamune: Passive: Unique – Mana Charge: Grants a charge every 4 seconds, up to 3 charges. Each basic attack or mana expenditure consumes a charge and grants +5 mana, up to a maximum of 750 mana.
• Tear of the Goddess Tear of the Goddess: Passive: Unique – Mana Charge: Grants a charge every 4 seconds, up to 3 charges. Each mana expenditure consumes a charge and grants +4 mana, up to a maximum of 750 mana.

Mana Shield

Mana Shield drains 20% of the users current mana to shield the user for 150 + (20% of current mana).

The following item grants Mana Shield:

• Seraph's Embrace Seraph's Embrace: Active: Unique – Mana Shield: Drains 20% of your current mana to shield yourself for an equal amount plus 150 for 3 seconds (120 second cooldown).

Metallicize

Metallicize increases health for 4 seconds, with an increased amount while Stone Skin is active.

The following items grant Metallicize:

• Gargoyle Stoneplate Gargoyle Stoneplate: Active: Unique – Metallicize: Increases current and maximum health by 40%, as well as champion size, but reduces the damage you deal by 60% for 4 seconds. If Stone Skin is active, instead increases health by 100% (92 second cooldown). Current health percentage is conserved when the effect ends, as well.

Point Runner

Point Runner causes your champion to build up up to 20% movement speed bonus while near turrets (including fallen turrets) and Void Gates Void Gates.

The following items grant Point Runner:

• Banner of Command Banner of Command: Passive: Unique – Point Runner: Builds up to 20% bonus movement speed over 2 seconds while near turrets, fallen turrets and Void Gates.
• Ohmwrecker Ohmwrecker: Passive: Unique – Point Runner: Builds up to 20% bonus movement speed over 2 seconds while near turrets, fallen turrets and Void Gates.
• Raptor Cloak Raptor Cloak: Passive: Unique – Point Runner: Builds up to 20% bonus movement speed over 2 seconds while near turrets, fallen turrets and Void Gates.
• Talisman of Ascension Talisman of Ascension: Passive: Unique – Point Runner: Builds up to 20% bonus movement speed over 2 seconds while near turrets, fallen turrets and Void Gates.
• Zz'Rot Portal Zz'Rot Portal: Passive: Unique – Point Runner: Builds up to 20% bonus movement speed over 2 seconds while near turrets, fallen turrets and Void Gates.

Progress and Glorious Evolution

Progress allows Viktor Viktor to upgrade one of his abilities.
Glorious Evolution automatically upgrades Viktor's Viktor's Chaos Storm Chaos Storm.

The following items grant Progress:

• Prototype Hex Core Prototype Hex Core: Passive: Unique – Progress: This item can be upgraded three times, which each upgrade allowing Viktor to enhance one of his basic abilities.
• The Hex Core mk-1 The Hex Core mk-1: Passive: Unique – Progress: Viktor Viktor can upgrade one of his basic abilities.
• The Hex Core mk-2 The Hex Core mk-2: Passive: Unique – Progress: Viktor Viktor can upgrade one of his basic abilities.
• Perfect Hex Core Perfect Hex Core: Passive: Unique – Progress: Viktor Viktor can upgrade one of his basic abilities. Upon upgrading each of his basic ability, Viktor gains Glorious Evolution.

The following items grant Glorious Evolution:

• Perfect Hex Core Perfect Hex Core: Passive: Unique – Glorious Evolution: Viktor Viktor upgrades his Chaos Storm Chaos Storm.

Promote

For the removed summoner spell, see Promote Promote

Promote is an active ability that transforms a nearby minion to a more powerful unit, and granting it immunity to magic damage. This Promoted minion credits the user for all the kills it obtains. This effect has a 120-second base cooldown.

The following item grants Promote:

• Banner of Command Banner of Command: Active: Unique – Promote: Greatly increases the power of a lane minion and grants it immunity to magic damage (120 second cooldown) (1200 range).

Quest

Quests are unique effects that grant enhanced effects on items when having generated enough gold with the item. You will also need an advanced (or more) item (20px 20px 20px) to obtain the Reward.

The following items grant Quest:

• Ancient Coin Ancient Coin
• Nomad's Medallion Nomad's Medallion
• Talisman of Ascension Talisman of Ascension
• Eye of the Oasis Eye of the Oasis: Passive: Unique – Quest: Earn  750 using this item. Reward: Favor is upgraded to Emperor's Favor making champion  takedowns grant both the gold and mana. You also grant 8% bonus movement speed to nearby allied champions moving toward you (1250 range).
• Relic Shield Relic Shield
• Targon's Brace Targon's Brace
• Face of the Mountain Face of the Mountain
• Eye of the Equinox Eye of the Equinox: Passive: Unique – Quest: Earn  750 using this item. Reward: Shield Battery, a permanent shield for 255 - 340 (in base al livello) health. The shield regenerates slowly when out-of-combat. Executing minions with Spoils of War regenerates 64 - 85 (in base al livello) shield value.
• Spellthief's Edge Spellthief's Edge
• Frostfang Frostfang
• Frost Queen's Claim Frost Queen's Claim
• Eye of the Watchers Eye of the Watchers:

Quicksilver

File:Countering Airborne CC

Quicksilver is an active ability which removes all crowd control.

The following items grant Quicksilver:

• Mercurial Scimitar Mercurial Scimitar: Active: Unique – Quicksilver: Removes all crowd control debuffs from your champion and grants +50% movement speed for 1 second (90 second cooldown).
• Quicksilver Sash Quicksilver Sash: Active: Unique – Quicksilver: Removes all crowd control debuffs from your champion (90 second cooldown).

Notes:

• Quicksilver will not remove persistent areas of effect.
• If Quicksilver removes Veigar's Veigar's Event Horizon Event Horizon, the user will gain immunity to that instance of the skill.
• Quicksilver detaches the effect of Chum the Waters Chum the Waters, prevents it from reattaching to the same champion, and removes the initial slow, but conveys no immunity to the damage, knockup/knockback, and AoE slow when the ability goes off at the end of the delay period.
• Quicksilver's interaction with leashed effects is somewhat complex, and it would appear that each is coded individually:
  • Will entirely remove: Ethereal Chains Ethereal Chains, Soul Shackles Soul Shackles, Death Sentence Death Sentence, Fear Beyond Death Fear Beyond Death
  • Will remove the crowd control: Nether Grasp Nether Grasp, Infinite Duress Infinite Duress
  • Will not remove: Drain Drain, Unspeakable Horror Unspeakable Horror, Decrepify Decrepify
    • This includes any damage it applies and secondary effects.

Mikael's Crucible Mikael's Crucible provides a similar effect, allowing you to remove crowd control from the target ally. Note that Mikael's Crucible Mikael's Crucible does not remove damage over time or other debuffs, and it cannot be activated while unable to activate abilities (such as a  silence).

Rage

Rage causes basic attacks to grant 20 movement speed for 2 seconds on-hit. Kills on any unit grant 60 movement speed for 2 seconds instead. This movement speed bonus is halved on ranged champions.

The following items grant Rage:

• Phage Phage: Passive: Unique – Rage: Basic attacks (on-hit) grant +20 flat movement speed for 2 seconds. Killing a Unit grants +60 flat movement speed instead.
• The Black Cleaver The Black Cleaver: Passive: Unique – Rage: Dealing physical damage grants 20 movement speed for 2 seconds. Assists on Cleaved enemy champions or kills on any unit grant 60 movement speed for 2 seconds instead. This movement speed bonus is halved for  ranged champions.
• The Obsidian Cleaver The Obsidian Cleaver: Passive: Unique – Rage: Dealing physical damage grants 20 movement speed for 2 seconds. Assists on Cleaved enemy champions or kills on any unit grant 60 movement speed for 2 seconds instead. This movement speed bonus is halved for  ranged champions.
• Trinity Force Trinity Force: Passive: Unique – Rage: Basic attacks (on-hit) grant +20 flat movement speed for 2 seconds. Killing a unit grants +60 flat movement speed instead. Bonus movement speed is halved on  ranged champions.
• Trinity Fusion Trinity Fusion: Passive: Unique – Rage: Basic attacks (on-hit) grant +20 flat movement speed for 2 seconds. Killing a unit grants +60 flat movement speed instead. Bonus movement speed is halved on  ranged champions.

Shiv Lightning

Shiv Lightning causes your next basic attack to deal bonus magic damage to up 5 nearby units, increased to against minions.

The following items grant Shiv Lightning:

• Statikk Shiv Statikk Shiv: Passive: Unique – Shiv Lightning: Your next basic attack (on-hit) sparks lightning to up to 5 nearby units, dealing 60 - 160 (in base al livello) bonus magic damage, increased to 99 - 264 (in base al livello) against minions.

Shock

Shock is a passive effect that causes your single target abilities and basic attacks on champions (on-hit) to consume 3% current mana to deal 6% current mana as physical damage. This effect only activates while the caster have greater than 20% maximum mana.

The following item grants Shock:

• Muramana Muramana: Passive: Unique – Shock: Unit-targeted abilities and basic attacks on champions (on-hit) consume 3% current mana to deal 6% current mana bonus physical damage. This effect only activates while you have greater than 20% maximum mana.

Slow Resist

Slow Resist causes all slows on the champion to be reduced in effectiveness by 25%.

The following item grants Slow Resist:

• Boots of Swiftness Boots of Swiftness: Passive: Unique – Slow Resist: Reduces the effectiveness of  slows by 25%.

Spectral Waltz

Spectral Waltz grants 7% movement speed and  ghosting while within 500 units of a visible enemy champion.

The following item grants Spectral Waltz:

• Phantom Dancer Phantom Dancer: Passive: Unique – Spectral Waltz: Grants  ghosting and +7% movement speed while within 550 units of a visible enemy champion.

Spellblade

For the item, see Moonflair Spellblade Moonflair Spellblade

For the removed mastery, see Spellsword (Season 2013 Mastery) Spellsword

Spellblade causes your next basic attack to deal bonus damage after using an ability (1.5 second cooldown).

The following items grant Spellblade:

• Iceborn Gauntlet Iceborn Gauntlet: Passive: Unique – Spellblade: After using an ability, your next basic attack within 10 seconds deals (100% base AD) on-hit bonus damage (1.5 second cooldown).
• Lich Bane Lich Bane: Passive: Unique – Spellblade: After using an ability, your next basic attack within 10 seconds deals 75% base AD (+ 50% AP) on-hit bonus magic damage (1.5 second cooldown).
• Sheen Sheen: Passive: Unique – Spellblade: After using an ability, your next basic attack within 10 seconds deals (100% base AD) on-hit bonus damage (1.5 second cooldown).
• Trinity Force Trinity Force: Passive: Unique – Spellblade: After using an ability, your next basic attack within 10 seconds deals (200% base AD) on-hit bonus damage (1.5 second cooldown).
• Trinity Fusion Trinity Fusion: Passive: Unique – Spellblade: After using an ability, your next basic attack within 10 seconds deals (200% base AD) on-hit bonus damage (1.5 second cooldown).

Notes:

• In the event you own multiple spellblade items, only one attack bonus applies, to which the order of priority is:
  • Lich Bane Lich Bane, Trinity Force Trinity Force, Iceborn Gauntlet Iceborn Gauntlet, and Sheen Sheen.
• For channeled abilities (such as Garen's Garen's Judgment Judgment), the buff effect timer will start at the beginning of the cast, not after the ability successfully cast off or ended. Leaving the player with less time to proc the effect.
• The area of effect slow is not considered part of the "Spellblade" effect, and is instead classified as Icy. If you own both Iceborn Gauntlet Iceborn Gauntlet and a higher priority Spellblade item (i.e. Lich Bane Lich Bane and Trinity Force Trinity Force), you will trigger the higher priority's damage component while still triggering the area of effect slow.
• Abilities that apply on-hit effects such as Gangplank's Gangplank's Parrrley Parrrley and Ezreal's Mystic Shot Mystic Shot can trigger the damage and slow effects when the ability hits.

Spoils of War

Spoils of War: Melee autoattacks execute minions below a certain amount of health. Killing a minion by any means heals yourself and the nearest allied champion and grants them kill gold. These effects require a nearby allied champion and consume a charge.

The following items grant Spoils of War:

• Relic Shield Relic Shield: Passive: Unique – Spoils of War: Melee autoattacks execute minions below 200 - 285 (in base al livello) health. Killing a minion by any means heals you and the nearest allied champion for 15 (+ 2% of missing health) health and grants them kill gold. Healing is halved if the owner is ranged. These effects require an allied champion within 1050 units of the user and consume a charge. Recharges every 40 seconds. Max 2 charges.
• Targon's Brace Targon's Brace: Passive: Unique – Spoils of War: Melee autoattacks execute minions below 210 - 380 (in base al livello) health. Killing a minion by any means heals you and the nearest allied champion for 40 (+ 2% of missing health) health and grants them kill gold. Healing is halved if the owner is ranged. These effects require an allied champion within 1050 units of the user and consume a charge. Recharges every 30 seconds. Max 3 charges.
• Face of the Mountain Face of the Mountain: Passive: Unique – Spoils of War: Melee basic attacks execute minions below 340 - 680 (in base al livello) health. Melee autoattacks that would proc Spoils of War gain 150 bonus range and slightly increased attack speed. Killing a minion by any means heals you and the nearest allied champion for 50 (+ 2% of missing health) health and grants them kill gold. These effects require an allied champion within 1050 units of the user. Recharges every 30 seconds. Max 4 charges.
• Eye of the Equinox Eye of the Equinox: Passive: Unique – Spoils of War: Melee basic attacks execute minions below 340 - 680 (in base al livello) health. Melee autoattacks that would proc Spoils of War gain 150 bonus range and slightly increased attack speed. Killing a minion by any means heals you and the nearest allied champion for 50 (+ 2% of missing health) health and grants them kill gold. These effects require an allied champion within 1050 units of the user. Recharges every 30 seconds. Max 4 charges.

Stasis

Stasis is an active ability that puts your champion into  stasis, making yourself invulnerable and untargetable, but also renders you unable to perform any actions for 2.5 seconds.

The following items grant Stasis:

• Stopwatch Stopwatch
• Zhonya's Hourglass Zhonya's Hourglass
• Zhonya's Paradox Zhonya's Paradox
• Wooglet's Witchcap Wooglet's Witchcap
• Wooglet's Witchcrown Wooglet's Witchcrown

Sterak's Fury

The following item grants Sterak's Fury:

• Sterak's Gage Sterak's Gage: Passive: Unique – Sterak's Fury: Grants increased size and +30%  Tenacity Tenacity for 8 seconds.

Stone Skin

Stone Skin grants additional resistances while near 3 or more enemy champions.

The following items grant Stone Skin:

• Gargoyle Stoneplate Gargoyle Stoneplate: Passive: Unique – Stone Skin: If 3 or more enemy champions are nearby, grants 40 bonus armor and 40 bonus magic resistance.

Tenacity

Tenacity reduces the duration of all crowd control effects (except  suppression,  stasis, and  displacements).

The following items grant Tenacity:

• Mercury's Treads Mercury's Treads: Passive: Unique – Tenacity: Reduces the duration of all crowd control effects by 30% (except for  Suppression,  Stasis, and  Displacements).
• Moonflair Spellblade Moonflair Spellblade: Passive: Unique – Tenacity: Reduces the duration of all crowd control effects by 35% (except for  Suppression,  Stasis, and  Displacements)

Tooth and Nail

• Tooth allows the user to deal magic damage over 5 seconds while restoring as much as health while damaging a monster.
• Nail grants bonus damage on-hit versus monsters.
• Tooth and Nail grants bonus on-hit damage and applies Health Drain, which deals magic damage over 5 seconds while restoring as much as health.

The following items grant Tooth:

• Hunter's Talisman Hunter's Talisman: Passive: Unique – Tooth: Damaging a monster burns it for an additional 45 magic damage over 5 seconds while causing you to restore 5 health per second. The damage is increased to 75 if you have bonus health from runes or items.

The following items grant Nail:

• Hunter's Machete Hunter's Machete: Passive: Unique – Nail: Basic attacks against monsters deal 25 bonus on-hit physical damage and grant 15% bonus attack speed for 2 seconds.

The following items grant Tooth and Nail:

• Skirmisher's Sabre Skirmisher's Sabre: Passive: Unique – Tooth and Nail: Basic attacks versus monsters deal 30 bonus physical damage and grant 15% bonus attack speed for 2 seconds. Damaging a monster by any means set it aflame, dealing an additional 80 magic damage over 5 seconds while causing you to restore 6 health per second for every enemy you're burning.
• Stalker's Blade Stalker's Blade: Passive: Unique – Tooth and Nail: Basic attacks versus monsters deal 30 bonus physical damage and grant 15% bonus attack speed for 2 seconds. Damaging a monster by any means set it aflame, dealing an additional 80 magic damage over 5 seconds while causing you to restore 6 health per second for every enemy you're burning.
• Tracker's Knife Tracker's Knife: Passive: Unique – Tooth and Nail: Basic attacks versus monsters deal 30 bonus physical damage and grant 15% bonus attack speed for 2 seconds. Damaging a monster by any means set it aflame, dealing an additional 80 magic damage over 5 seconds while causing you to restore 6 health per second for every enemy you're burning.

Tribute

Tribute: Damaging an enemy champion or structure deals additional damage and grants the wielder gold. Tribute can be triggered up to three times every 30 seconds.

The following items grant Tribute:

• Spellthief's Edge Spellthief's Edge: Passive: Unique – Tribute: Grants a charge every 10 seconds, up to 3 charges. Damaging spells and attacks against champions and buildings consume a charge, up to one per attack or cast. Consuming a charge deals them 13 bonus magic damage and grants  10. Killing a minion or non-epic monster pauses Tribute generation for 12 seconds per unit slain.
• Frostfang Frostfang: Passive: Unique – Tribute: Grants a charge every 10 seconds, up to 3 charges. Damaging spells and attacks against champions and buildings consume a charge, up to one per attack or cast. Consuming a charge deals them 18 bonus magic damage and grants  15. Killing a minion or non-epic monster pauses Tribute generation for 12 seconds per unit slain.
• Frost Queen's Claim Frost Queen's Claim: Passive: Unique – Tribute: Grants a charge every 10 seconds, up to 3 charges. Damaging spells and attacks against champions and buildings consume a charge, up to one per attack or cast. Consuming a charge deals them 18 bonus magic damage and grants  15.
• Eye of the Watchers Eye of the Watchers: Passive: Unique – Tribute: Grants a charge every 10 seconds, up to 3 charges. Damaging spells and attacks against champions and buildings consume a charge, up to one per attack or cast. Consuming a charge deals them 18 bonus magic damage and grants  15.

Warding

Warding grants the user a number of charges, which are refreshed by upon returning to the fountain. You can consume a charge to place a 20px Stealth Ward at the target location. A player may only have 3 Stealth/Totem Wards on the map at one time.

Both Sightstone items share the same counter for the number of charges and active wards.

The following items grant Warding:

• Eye of the Equinox Eye of the Equinox: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 4 charges which refill upon visiting the shop.
• Eye of the Oasis Eye of the Oasis: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 4 charges which refill upon visiting the shop.
• Eye of the Watchers Eye of the Watchers: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 4 charges which refill upon visiting the shop.
• Ruby Sightstone Ruby Sightstone: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 4 charges which refill upon visiting the shop.
• Sightstone Sightstone: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 3 charges which refill upon visiting the shop.
• Tracker's Knife Tracker's Knife: Active: Unique – Warding: Consumes a charge to place a 20px Stealth Ward at the target location (600 range), which reveals the surrounding area for 150 seconds. Holds up to 2 charges which refill upon visiting the shop.

Warmog's Heart

Warmog's Heart restores health per second if the champion hasn't taken damage for a duration.

The following items grant Warmog's Heart:

• Warmog's Armor Warmog's Armor: Passive: Grants Warmog's Heart if you have at least 2750 maximum health. Passive: Unique – Warmog's Heart: Regenerate 「 2.5% maximum health every half-second 」「 25% maximum health every 5 seconds 」if damage has not been taken in the last 6 seconds (3 second for minions).

Wind's Fury

Wind's Fury causes basic attacks to fire bolts at up to 2 enemies near (~500) the target, each dealing physical damage.

The following items grant Wind's Fury:

• Runaan's Hurricane Runaan's Hurricane: Passive: Unique – Wind's Fury: When Basic attacking, bolts are fired at up to 2 enemies near the target, each dealing 40% AD physical damage. Bolts can  critically strike and apply on-hit effects.

Archive

• Archive (Removed named effects)

References