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.
Your non-ultimate ability cooldowns are reduced by 0.5s every 0.5s for the next 3s. Shard Relics can be upgraded to a new Relic once you reach Level 12. Cooldown - 120s.
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 - 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 - On god kill or assist a coin is flipped. If heads, you gain a stack of 7 HP5. If tails, you gain a stack of 2% Movement Speed. Each effect can stack up to 4 times and at 8 stacks this item evolves. You also gain 15 gold every time the coin is flipped.
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 will allow you to teleport up to 45 units away instantly. This item can not be used if you have taken or dealt damage in the last 3s. Cooldown - 140s.
PASSIVE - Damaging an enemy god deals 25 (+1.5 per level) damage and restores 25 (+1.5 per level) Health and Mana. This effect can only occur once every 10s. Can be upgraded at level 20.
<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 - Killing an enemy god forges a shield from their blood with Health equal to 200 + 10 per Player Level for 20s. While the Blood Shield is active you gain +10% movement speed.
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 will allow you to teleport up to 45 units away instantly. This item can not be used if you have taken or dealt damage in the last 3s. Cooldown - 140s.
PASSIVE - You gain 8 GP5 if you have the lowest gold on your team. When an ally god within 55 units of you is hit by a hard crowd control effect, give them a shield equal to 15% of your Maximum Health. This effect can only occur once every 15s.
AURA - Allied gods within 70 units have their Magical Protections increased by 15 and their MP5 increased by 30. <n>GLYPH - You gain Magical Protections equal to 15% of your Physical Protections.
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.
PASSIVE - When hit by a Slow, you and nearby allies within 30 units become immune to Slows and gain 20% increased Movement Speed for 4s. This effect can only occur once every 30 seconds.
PASSIVE - When your Ultimate ability has finished casting, you gain a Shield equal to 90% of your Protections from items and abilities for 5s. When destroyed, by timing out or being depleted, it explodes in a 30 unit radius and deals Magical damage equal to 75% of your Protections from items and abilities and slows targets by 25% for 3s. This can only occur once every 45 seconds.
PASSIVE - You gain an additional 15% Damage Mitigation for 3s whenever you are hit with a hard Crowd Control Effect or Root. This can only occur once every 15 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.
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 - Every 10s the Pendant activates, subtracting 1s from all of your abilities currently on Cooldown. The initial countdown will not start until you leave the fountain.
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 - On successful hit of an Ability you gain 1 stack. At 3 Stacks your next Ability that damages an enemy God will deal bonus damage equal to 20% of your Magical power to each God hit, and will heal yourself and allies within 20 units for 15 (+5 Per Level) and will consume the 3 stacks.
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 - 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. Cooldown - 140s.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
GLYPH - Each time you are hit by an ability, gain a stack of 5 Protections that corresponds to the damage type you were hit with, up to a max of 4 of each type. Once you reach max stacks of both kinds, gain a burst of 20% Movement Speed and double your Protections gained by this effect for 8s, after which all stacks are removed.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 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.
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 - 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 - Every 10s the Pendant activates, subtracting 1s from all of your abilities currently on Cooldown. The initial countdown will not start until you leave the fountain.
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 - On successful hit of an Ability you gain 1 stack. At 3 Stacks your next Ability that damages an enemy God will deal bonus damage equal to 20% of your Magical power to each God hit, and will heal yourself and allies within 20 units for 15 (+5 Per Level) and will consume the 3 stacks.
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.
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 - 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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - On damaging an enemy god, once per ability, gain 2 Magical Pen for 10s, stacks up to 3 times.
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 - 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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
GLYPH - Each time you are hit by an ability, gain a stack of 5 Protections that corresponds to the damage type you were hit with, up to a max of 4 of each type. Once you reach max stacks of both kinds, gain a burst of 20% Movement Speed and double your Protections gained by this effect for 8s, after which all stacks are removed.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
PASSIVE - On damaging an enemy god, once per ability, gain 2 Magical Pen for 10s, stacks up to 3 times.
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 Slows the Movement Speed of all enemy gods within 35 units by 30% for 5s. Their Attack Speed is reduced by 25% for the duration. Additionally, their Damage Dealt is reduced by 10%. Cooldown - 130s.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
GLYPH - Each time you are hit by an ability, gain a stack of 5 Protections that corresponds to the damage type you were hit with, up to a max of 4 of each type. Once you reach max stacks of both kinds, gain a burst of 20% Movement Speed and double your Protections gained by this effect for 8s, after which all stacks are removed.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 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 Slows the Movement Speed of all enemy gods within 35 units by 30% for 5s. Their Attack Speed is reduced by 25% for the duration. Additionally, their Damage Dealt is reduced by 10%. Cooldown - 130s.
AURA - You gain 8 GP5 if you have the lowest gold on your team. Evenly split 60 Physical and Magical Protection among all allied gods within 55 units and yourself. If you are alone you only gain 30 Physical and Magical Protections.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
GLYPH - Each time you are hit by an ability, gain a stack of 5 Protections that corresponds to the damage type you were hit with, up to a max of 4 of each type. Once you reach max stacks of both kinds, gain a burst of 20% Movement Speed and double your Protections gained by this effect for 8s, after which all stacks are removed.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 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 Slows the Movement Speed of all enemy gods within 35 units by 30% for 5s. Their Attack Speed is reduced by 25% for the duration. Additionally, their Damage Dealt is reduced by 10%. Cooldown - 130s.
AURA - You gain 8 GP5 if you have the lowest gold on your team. Evenly split 60 Physical and Magical Protection among all allied gods within 55 units and yourself. If you are alone you only gain 30 Physical and Magical Protections.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
GLYPH - Each time you are hit by an ability, gain a stack of 5 Protections that corresponds to the damage type you were hit with, up to a max of 4 of each type. Once you reach max stacks of both kinds, gain a burst of 20% Movement Speed and double your Protections gained by this effect for 8s, after which all stacks are removed.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - When you are hit by a Hard Crowd Control, steal 10 Protections from all enemies within 20 units for 5s. This effect can only occur once every 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - When you are hit by a Hard Crowd Control, steal 10 Protections from all enemies within 20 units for 5s. This effect can only occur once every 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 50% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - If you take damage below 30% health you unleash a shockwave that stuns all enemies within a range of 20 units for 1s and become immune to Crowd Control for 1s. This effect cannot trigger more than once every 110s.
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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - When you are hit by a Hard Crowd Control, steal 10 Protections from all enemies within 20 units for 5s. This effect can only occur once every 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 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 applies a shield to himself and allies within 35 units for 100 Health + 12 Health per God Level for 3 seconds. Additionally, all allies take 20% reduced damage from Basic Attacks while the shield is active. Cooldown - 150s.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Enemies hit by your damaging abilities will move 30% Slower and will have Shields applied on them reduced by 50% for 2.5 seconds. This can only occur once every 2.5 seconds.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - When you are hit by a Hard Crowd Control, steal 10 Protections from all enemies within 20 units for 5s. This effect can only occur once every 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.
PASSIVE - Killing an enemy god forges a shield from their blood with Health equal to 200 + 10 per Player Level for 20s. While the Blood Shield is active you gain +10% movement speed.
PASSIVE - Every fourth Basic Attack triggers a chain lightning, damaging the target and up to 4 nearby enemies for 15 damage +60% of your total Basic Attack Power.
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 not near an ally god you gain 1 stack of Benevolence every second, up to a maximum of 50. Assists provide 4 stacks. While within 70 units of a hurt ally god you use up to 5 stacks a second to heal them and yourself for 1% of your Maximum Health. Each stack consumed provides you with 1 gold. If you overcap stacks they will still provide gold as long as you are near an ally god. Can be upgraded at level 15.
PASSIVE - Melee Basic Attacks decreases enemy Physical protections by 7, and increase your physical protection by 5 for 3s (max. 2 Stacks).
PASSIVE - Hitting an enemy with a Basic Attack grants Haste for 1s, causing you to be immune from Basic Attack Movement Penalty.
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 - You permanently gain 7 Mana per Stack, and receive 5 Stacks for a god kill and 1 Stack for a minion kill (max. 75 Stacks). You gain Magical Power equal to 4% of your Mana from items. At 75 stacks this item Evolves, gaining 10 Magical Penetration and Increasing the Magical Power gained from Mana to 7%.
PASSIVE - Every 10s the Pendant activates, subtracting 1s from all of your abilities currently on Cooldown. The initial countdown will not start until you leave the fountain.
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.
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 - You permanently gain 7 Mana per Stack, and receive 5 Stacks for a god kill and 1 Stack for a minion kill (max. 75 Stacks). You gain Magical Power equal to 4% of your Mana from items. At 75 stacks this item Evolves, gaining 10 Magical Penetration and Increasing the Magical Power gained from Mana to 7%.
PASSIVE - Every 10s the Pendant activates, subtracting 1s from all of your abilities currently on Cooldown. The initial countdown will not start until you leave the fountain.
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.
PASSIVE - Whenever you damage an enemy god with an ability you mark them to take 5% increased damage from all sources. This effect lasts for 8s and 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.
PASSIVE - Every successful Basic Attack increases your Physical Power by 10 and reduces the attack speed of your opponent by 7% for 5s. (Max. 3 Stacks)
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks).