This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Each instance of damage prevented in this time provides you 7% Movement Speed for 4s, stacking up to 3 times. Cooldown - 140s.
Using this item applies a shield to yourself and allies within 35 units for 150 Health + 15 Health per God Level for 4 seconds. Additionally, all allies take 40% reduced damage from Basic Attacks while the shield is active. Using this item also allows you and allied gods to pass through players and player made objects. Cooldown - 130s.
PASSIVE - When you would die you instead find a timeline you are still alive, becoming CC Immune, Damage Immune, and unable to act. After 1.75s you are restored to 40% Health and Mana and can act again. This can only occur once every 6 minutes.
PASSIVE - You gain Magical Power equal to 7% of your Mana from items.
AURA - Allies within 70 units gain 20 Physical and Magical Protections. PASSIVE - If you have over 300 total Protections, you gain 6% Damage Mitigation. If you have over 500 total Protections, you gain an additional 6% Damage Mitigation.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 seconds. Your next successful damaging ability on an enemy triggers a chain lightning, damaging the target and up to 4 nearby enemies for 40 damage + 10% of your Magical Power. This can only occur once every 20 seconds.
PASSIVE - Your first ability cast gains 20% Magical Penetration. This can only occur once every 10 seconds.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Additionally, your active cooldowns are reduced by 3s on use. Cooldown - 140s.
Using this item applies a shield to yourself and allies within 35 units for 150 Health + 15 Health per God Level for 4 seconds. Additionally, all allies take 40% reduced damage from Basic Attacks while the shield is active. Using this item also allows you and allied gods to pass through players and player made objects. Cooldown - 130s.
PASSIVE - This item grants 4 MP5 per 10% of your missing Mana. This item grants 7 Magical power per 10% of your available Mana.
PASSIVE - You gain Magical Power equal to 7% of your Mana from items.
AURA - Allies within 70 units gain 20 Physical and Magical Protections. PASSIVE - If you have over 300 total Protections, you gain 6% Damage Mitigation. If you have over 500 total Protections, you gain an additional 6% Damage Mitigation.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 seconds. Your next successful damaging ability on an enemy triggers a chain lightning, damaging the target and up to 4 nearby enemies for 40 damage + 10% of your Magical Power. This can only occur once every 20 seconds.
PASSIVE - Your first ability cast gains 20% Magical Penetration. This can only occur once every 10 seconds.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item allows you to teleport to any allied structure or ward while Rooted in place. This effect is not interrupted by damage but is interrupted by hard Crowd Control. Kills and assists on enemy gods reduces the cooldown by 10s. After teleporting you gain Slow immunity, 20% Movement Speed, and 40 Protections for 5s. Cooldown - 110s.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s. <font color='#f59b56'>Kill or assist minions to upgrade this Relic for free.
PASSIVE - This item grants 2 MP5 per 10% of your missing Mana. Your damaging abilities deal an extra 15 true damage to minions. Can be upgraded at level 20.
PASSIVE - You gain Magical Power equal to 7% of your Mana from items.
PASSIVE - Once every 8s, when you damage an enemy god with an attack, you gain a stack of 1 Protections in an Aura that corresponds with the damage type of the target. Once you have reached 15 stacks of both Protections, this item Evolves, giving you additional Protections and mitigation based on your total Protections.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 140s. <font color='#f59b56'>Deal instances of damage or Crowd Control to enemy Gods to upgrade this Relic for free. You may only gain one stack per second.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 140s. <font color='#f59b56'>Deal instances of damage or Crowd Control to enemy Gods to upgrade this Relic for free. You may only gain one stack per second.
PASSIVE - All sources of gold gain are increased by 5%. For every 100 gold you have gain 1.25% Attack Speed and 1% Physical Critical Strike Chance, up to a maximum of 20 stacks.
PASSIVE - Critical Strike bonus damage dealt is increased by 25%. <n>GLYPH - Your Critical Strike Chance is multiplied by 1.2. For each 5% Critical Strike Chance you go over 100% Critical Strike Chance, you gain 5 Physical Power.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks). GLYPH - Your next basic attack marks an enemy god for 8s. If you hit the marked enemy or the marked enemy hits you with a basic attack or ability, gain 1 stack. Each stack provides 2% increased damage towards the marked enemy, stacking up to 10 times. This effect can only occur every 30s.
PASSIVE - On Basic Attack hits, deal Physical Damage equal to 1.5% of the target's maximum Health. If the target has over 2000 Health, the bonus damage scales up. This effect reaches a maximum of 6% of the targets Maximum Health at 2750 Health.
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
<n>GLYPH - Every time you damage an enemy god with an ability you gain a stack of Wit. When you have a stack, your next non-ultimate ability that damages an enemy god gets 20% of its cooldown instantly refunded. After triggering this effect, all stacks are removed and you cannot gain stacks for 5s.
PASSIVE - For 8s after using an ability, your next Basic Attack will deal an additional 25% damage. Abilities that function like basic attacks do not benefit from this. PASSIVE - This item grants 2.5 MP5 per 10% of your missing Mana.
PASSIVE - Enemies hit by your Abilities have 40% reduced healing for 5 seconds. Getting a kill or assist on an enemy god creates a field that lasts 10s, providing allies within it 20 Power + 2 Per level. This effect can only occur once every 10 seconds.
PASSIVE - Your abilities deal an additional 2% of the targets maximum Health as Physical Damage. If you have over 150 Physical Power, your ability bonus damage scales up. This effect reaches a maximum of 6% Maximum Health damage at 250 Physical Power. Subsequent hits on the same target do 75% of the bonus damage for the next 3s.
This item and all upgrades are only available to Assassins and Warriors.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
<n>GLYPH - Every time you damage an enemy god with an ability you gain a stack of Wit. When you have a stack, your next non-ultimate ability that damages an enemy god gets 20% of its cooldown instantly refunded. After triggering this effect, all stacks are removed and you cannot gain stacks for 5s.
PASSIVE - For 8s after using an ability, your next Basic Attack will deal an additional 25% damage. Abilities that function like basic attacks do not benefit from this. PASSIVE - This item grants 2.5 MP5 per 10% of your missing Mana.
PASSIVE - Enemies hit by your Abilities have 40% reduced healing for 5 seconds. Getting a kill or assist on an enemy god creates a field that lasts 10s, providing allies within it 20 Power + 2 Per level. This effect can only occur once every 10 seconds.
PASSIVE - Enemies hit by your damaging Abilities take bonus damage equal to an additional 35% of your Physical Power over 1s. Subsequent hits on the same target do half the bonus damage for the next 3s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - All sources of gold gain are increased by 5%. For every 100 gold you have gain 1.25% Attack Speed and 1% Physical Critical Strike Chance, up to a maximum of 20 stacks.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks).
PASSIVE - On Basic Attack hits, deal Physical Damage equal to 1.5% of the target's maximum Health. If the target has over 2000 Health, the bonus damage scales up. This effect reaches a maximum of 6% of the targets Maximum Health at 2750 Health.
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
PASSIVE - Critical Strike bonus damage dealt is increased by 25%. <n>GLYPH - Successfully hitting an Enemy God with a Critical Strike will subtract 1s from all of your abilities currently on cooldown.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
PASSIVE - Enemies hit by your Abilities have 40% reduced healing for 5 seconds. Getting a kill or assist on an enemy god creates a field that lasts 10s, providing allies within it 20 Power + 2 Per level. This effect can only occur once every 10 seconds.
PASSIVE - For 8s after using an ability, your next Basic Attack will deal an additional 25% damage. Abilities that function like basic attacks do not benefit from this. PASSIVE - This item grants 2.5 MP5 per 10% of your missing Mana.
PASSIVE - For every non-ultimate ability on cooldown you gain a stack of Cruelty. Each stack provides 7 Physical Power and 2% Physical Lifesteal.
<n>GLYPH - Every time you damage an enemy god with an ability you gain a stack of Wit. When you have a stack, your next non-ultimate ability that damages an enemy god gets 20% of its cooldown instantly refunded. After triggering this effect, all stacks are removed and you cannot gain stacks for 5s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Your Movement Speed is increased by 15% and your Attack Speed is increased by 40% for the next 5s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Enemies hit by your damaging Abilities take an additional 40 Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s. Can be upgraded at level 20.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - Enemies hit by your damaging abilities take an additional 160 Physical Damage over 2s. Enemy gods take an additional 10% of their Current Health as Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
PASSIVE - Enemies hit by your damaging Abilities take bonus damage equal to an additional 35% of your Physical Power over 1s. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When your Ultimate ability has finished casting, your next ability or basic attack within 8s that damages an enemy god marks them, increasing the chance you and your allies can land a Critical Strike by 20% for 10 seconds. This can only occur once every 45 seconds.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Enemies hit by your damaging Abilities take an additional 40 Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s. Can be upgraded at level 20.
PASSIVE - After healing yourself from an ability, you gain 20% Movement Speed, 15 Physical Power, and 30 Magical Power for 4 seconds. This effect can only occur once every 10 seconds.
PASSIVE - Healing Dealt is increased by 30%. AURA - Allied gods within 70 units have 10% increased Crowd Control Reduction and 3% Movement Speed.
PASSIVE - When damaging an enemy god with an ability you deal an additional 15 + 25% of your Protections from items and abilities as Physical Damage. Can only trigger once per enemy per ability. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
PASSIVE - Enemies hit by your damaging Abilities take an additional 40 Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s. Can be upgraded at level 20.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
PASSIVE - Enemies hit by your damaging Abilities take bonus damage equal to an additional 35% of your Physical Power over 1s. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - When your Ultimate ability has finished casting, your next ability or basic attack within 8s that damages an enemy god marks them, increasing the chance you and your allies can land a Critical Strike by 20% for 10 seconds. This can only occur once every 45 seconds.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
Using this item places a ward that lasts 90 seconds. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Getting the assist for an enemy minion or jungle monster dying will provide 8 Bonus gold and restore 12 Health and 8 Mana. If you are not within 30 units of an allied god for 20 seconds this passive is disabled until you are near an allied god again. Can be upgraded at level 15.
PASSIVE - When you are hit by an enemy god you gain a stack, up to once a second, increasing your protections by 5. Max of 4 stacks, lasts for 5s each. At max stacks, upon being hit you are immediately healed for 10% of your maximum health. Allies within 35 units heal for 10% of their maximum health over 5s. This effect can only occur once every 30 seconds.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks). GLYPH - Your next basic attack marks an enemy god for 8s. If you hit the marked enemy or the marked enemy hits you with a basic attack or ability, gain 1 stack. Each stack provides 2% increased damage towards the marked enemy, stacking up to 10 times. This effect can only occur every 30s.
PASSIVE - Your Critical Hits provide you with 10% Physical Penetration for 4s.
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Enemies hit by your damaging Abilities take an additional 40 Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s. Can be upgraded at level 20.
AURA - Allied gods within 70 units have their Attack Speed increased by 30%.
PASSIVE - After healing yourself from an ability, you gain 20% Movement Speed, 15 Physical Power, and 30 Magical Power for 4 seconds. This effect can only occur once every 10 seconds.
PASSIVE - Healing Dealt is increased by 30%. AURA - Allied gods within 70 units have 10% increased Crowd Control Reduction and 3% Movement Speed.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - This item grants 2 MP5 per 10% of your missing Mana. Your damaging abilities deal an extra 15 true damage to minions. Can be upgraded at level 20.
PASSIVE - You gain Magical Power equal to 7% of your Mana from items.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 seconds. Your next successful damaging ability on an enemy triggers a chain lightning, damaging the target and up to 4 nearby enemies for 40 damage + 10% of your Magical Power. This can only occur once every 20 seconds.
PASSIVE - Your abilities deal an additional 1% of the target's maximum Health as Magical Damage. If the target has over 2000 Health, your ability bonus damage scales up. This effect reaches a maximum of 9% Maximum Health damage at 2750 Health. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - If you receive a kill or assist on an Enemy God all of your non-ultimate cooldowns are reduced by 2 seconds and your ultimate cooldown is reduced by 6 seconds.
PASSIVE - Basic Attacks and Abilities gain 15% additional Magical Power against targets below 60% Health. <n>GLYPH - Successfully hitting an enemy god with an ability calls down a meteor that lands after 1s, dealing 100 (+35% of your Magical Power) damage in a 15 unit radius. This effect can only occur once every 15s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 140s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks). GLYPH - Your next basic attack marks an enemy god for 8s. If you hit the marked enemy or the marked enemy hits you with a basic attack or ability, gain 1 stack. Each stack provides 2% increased damage towards the marked enemy, stacking up to 10 times. This effect can only occur every 30s.
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Your Movement Speed is increased by 15% and your Attack Speed is increased by 40% for the next 5s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Killing an enemy god or minion gives you stacks of +.4 Physical Power, +.2 Physical Penetration and +.1% Physical Lifesteal. You receive 5 stacks for a god kill and 1 stack for a minion kill. At 50 stacks this item Evolves, gaining 5 Physical Penetration.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Using this item places a ward that lasts 90 seconds. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - When you are hit by an ability you gain a stack of Dampening, gaining 5 Protections for 5s and healing for 1% of your Max Health. This occurs only once per ability cast. This can stack twice. Can be upgraded at level 20.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
PASSIVE - All sources of gold gain are increased by 5%. For every 100 gold you have gain 1.25% Attack Speed and 1% Physical Critical Strike Chance, up to a maximum of 20 stacks.
PASSIVE - Your Critical Hits provide you with 10% Physical Penetration for 4s.
PASSIVE - Your abilities deal an additional 2% of the targets maximum Health as Physical Damage. If you have over 150 Physical Power, your ability bonus damage scales up. This effect reaches a maximum of 6% Maximum Health damage at 250 Physical Power. Subsequent hits on the same target do 75% of the bonus damage for the next 3s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Your Movement Speed is increased by 15% and your Attack Speed is increased by 40% for the next 5s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks). GLYPH - Your next basic attack marks an enemy god for 8s. If you hit the marked enemy or the marked enemy hits you with a basic attack or ability, gain 1 stack. Each stack provides 2% increased damage towards the marked enemy, stacking up to 10 times. This effect can only occur every 30s.
PASSIVE - When critically striking an enemy, gain a stack of 5 Physical Power, max 3 stacks, for 5s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Your Movement Speed is increased by 15% and your Attack Speed is increased by 40% for the next 5s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks).
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
Your Movement Speed is increased by 15% and your Attack Speed is increased by 40% for the next 5s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 90s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Killing an enemy god or minion gives you stacks of +.4 Physical Power, +.2 Physical Penetration and +.1% Physical Lifesteal. You receive 5 stacks for a god kill and 1 stack for a minion kill. At 50 stacks this item Evolves, gaining 5 Physical Penetration.