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. <font color='#f59b56'>Kill or assist minions to upgrade this Relic for free.
Using this item causes you to enter a meditative state where nearby allied gods within 35 units restore 10 + 2.5% of their missing health and 10 + 3% of missing mana each tick. Heals occur once every second for 4s. Cooldown - 150s. <font color='#f59b56'>Kill or assist minions to upgrade this Relic for free.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
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.
AURA - Allied gods within 70 units have their Attack Speed increased by 30%.
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 - Hitting an enemy with a Basic Attack restores 2 Health (+0.3% of your Maximum Health) and 1 Mana (+1% of your Maximum Mana). Basic Attacks that deal damage in an AoE restore less health (75% for Melee Attacks, 50% for Ranged Attacks) for each enemy hit after the first. 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.
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 first ability cast gains 20% Physical Penetration. This can only occur once every 5 seconds.
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.
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 - Assists on a minion give 1 Stack and God kills and assists give 5 Stacks. Stacks provide 1 Physical and Magical Protection. At 45 Stacks this item evolves, providing an Aura of 10 Physical Protection and 10 Magical Protection.
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 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.
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 - Killing or assisting an enemy minion provides you with 1 stack, granting 1% Movement Speed and 4 Magical Power per stack. Stacks last for 15s and stack up to 5 times. Enemy gods provide 5 stacks.
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.
PASSIVE - When your ultimate ability has finished casting you gain Myrddin's Rage which provides 15% Increased Damage Dealt decaying over 8s. At the end of the 8s you lose Myrddin's Rage. This can only occur once every 45s.
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 - 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 - When your ultimate ability has finished casting you gain Myrddin's Rage which provides 15% Increased Damage Dealt decaying over 8s. At the end of the 8s you lose Myrddin's Rage. This can only occur once every 45s.
PASSIVE - Killing or assisting an enemy minion provides you with 1 stack, granting 1% Movement Speed and 4 Magical Power per stack. Stacks last for 15s and stack up to 5 times. Enemy gods provide 5 stacks.
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 - 170s.
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 - When your ultimate ability has finished casting you gain Myrddin's Rage which provides 15% Increased Damage Dealt decaying over 8s. At the end of the 8s you lose Myrddin's Rage. This can only occur once every 45s.
PASSIVE - Killing or assisting an enemy minion provides you with 1 stack, granting 1% Movement Speed and 4 Magical Power per stack. Stacks last for 15s and stack up to 5 times. Enemy gods provide 5 stacks.
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.
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 - 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.
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 - Assists on a minion give 1 Stack and God kills and assists give 5 Stacks. Stacks provide 1 Physical and Magical Protection. At 45 Stacks this item evolves, providing an Aura of 10 Physical Protection and 10 Magical Protection.
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 - 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 - 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 - 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 first ability cast gains 20% Physical Penetration. This can only occur once every 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.
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 - When your ultimate ability has finished casting you gain Myrddin's Rage which provides 15% Increased Damage Dealt decaying over 8s. At the end of the 8s you lose Myrddin's Rage. This can only occur once every 45s.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
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.
<n>GLYPH - When your Ultimate ability has finished casting, you create an explosion, dealing 65% of your Protections from items and abilities as Magical Damage and slowing targets by 25% for 3s in a 30 unit radius. Then you gain a Shield equal to 90% of your Protections from items and abilities for 5s. When destroyed, by timing out or being depleted, you explode again. This can only occur once every 45 seconds.
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.
PASSIVE - If you take damage below 40% 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.
PASSIVE - Your relics receive 50s Cooldown Reduction
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 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 - 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 - Hitting an enemy with a Basic Attack grants Haste for 1s, causing you to be immune from Basic Attack Movement Penalty.
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.
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 - 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 - 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.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
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.
PASSIVE - Successfully hitting an enemy god with a Crowd Control ability will place a debuff on them, reducing their Physical and Magical Protections by 0.8 * your level for 5s.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras. PASSIVE - When you are hit by a Hard Crowd Control, the enemy receives an aura that deals 25 Magical Damage per second to them and other enemies within a 25 unit radius for 5s. This aura is refreshed if an enemy applies additional Hard Crowd Control to you within 5s.
PASSIVE - Your relics receive 50s Cooldown Reduction. <n>GLYPH - All enemy gods have 25% reduced Attack Speed in a 55 unit radius around you.
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 makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
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 or getting an assist on an enemy god gives you 1 stack. Each stack provides 2% Critical Strike Chance and 3 Physical Power. Stacks are permanent and stack up to 5 times.
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.
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 - 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.
PASSIVE - Killing an enemy god drains their shadow, causing you to enter stealth and gain 30% Movement Speed for 5s. Taking damage, firing an Ability, or firing a Basic Attack breaks the stealth.
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 - For every non-ultimate ability on cooldown you gain a stack of Cruelty. Each stack provides 7 Physical Power and 2% Physical Lifesteal.
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 - 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 - For each 0.02 Attack Speed you go over 2.5 Attack Speed, you gain 3 Physical Power. You can not gain more than 120 Physical Power in this way.
PASSIVE - You permanently gain 15 Mana per Stack, and receive 5 Stacks for a god kill, and 1 Stack for a minion kill (max. 50 stacks). You gain Physical Power equal to 2% of your Maximum Mana. At 50 stacks this item Evolves, gaining 10% Cooldown Reduction.
PASSIVE - Upon getting a kill or assist on an Enemy god you gain Atalanta's Agility for 10s. This effect increases your Attack Speed by 20% and decreases the Movement Penalty for attacking, backpedaling, and strafing by 30%.
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.
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 - 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.
PASSIVE - Killing an enemy god drains their shadow, causing you to enter stealth and gain 30% Movement Speed for 5s. Taking damage, firing an Ability, or firing a Basic Attack breaks the stealth.
PASSIVE - For every non-ultimate ability on cooldown you gain a stack of Cruelty. Each stack provides 7 Physical Power and 2% Physical Lifesteal.
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 - 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.
PASSIVE - Gain a stack each time you damage an enemy god with an ability or Basic Attack. At 4 stacks, your next ability or Basic Attack deals 20 + 4 per level Magical damage.
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 below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
PASSIVE - Upon getting a kill or assist on an Enemy god you gain Atalanta's Agility for 10s. This effect increases your Attack Speed by 20% and decreases the Movement Penalty for attacking, backpedaling, and strafing by 30%.
PASSIVE - For each 0.02 Attack Speed you go over 2.5 Attack Speed, you gain 3 Physical Power. You can not gain more than 120 Physical Power in this way.
PASSIVE -Every fourth Basic Attack triggers a chain lightning, damaging the target and up to 4 nearby enemies for 5 damage +25% 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.
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 - 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 - 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 - For each enemy God within 55 units of you, you gain a stack of 4% Damage Mitigation. This caps at 3 stacks.
PASSIVE - Enemy gods within 55 units have their Healing reduced by 15%. This effect does not stack with similar auras.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Allied gods within 70 units have their Magical Lifesteal increased by 6% and their Magical Power increased by 15 or their Physical Lifesteal increased by 6% and their Physical Power increased by 15.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras. PASSIVE - When you are hit by a Hard Crowd Control, the enemy receives an aura that deals 25 Magical Damage per second to them and other enemies within a 25 unit radius for 5s. This aura is refreshed if an enemy applies additional Hard Crowd Control to you within 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 makes you invulnerable to damage and healing for 1.5s, and prevents you from taking any actions. You may still move. Cooldown - 170s.
PASSIVE - Every 0.5 seconds you gain a stack of Arcane Energy, causing your next damaging ability to deal an additional 2 True Damage and remove all stacks. Also deals an additional 1 true damage per stack to minions. This effect stacks up to 20 times. Can be upgraded at level 20.
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 - 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.
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 - 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 - Enemies hit by your abilities have 40% reduced healing for 5 seconds.
PASSIVE - Restore 1% of your Maximum Mana upon damaging an enemy god with an ability, once per god.
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 0.5 seconds you gain a stack of Arcane Energy, causing your next damaging ability to deal an additional 2 True Damage and remove all stacks. Also deals an additional 1 true damage per stack to minions. This effect stacks up to 20 times. Can be upgraded at level 20.