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.
<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 - 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.
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.
PASSIVE - When an enemy dies within 80 units of you gain 1 stack of Temper that provides 7% increased Basic Attack Damage for 10s. This can stack up to 5 times. If an enemy god dies near you immediately gain 5 stacks.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
PASSIVE - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
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 - 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 - 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 - 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 - 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.
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.
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 - 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.
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 - If you are hit by a Knockup, Knockback, Pull, or Grab you gain 7% of your max Health over the next 5 seconds. You gain 15 Physical Power and 25 Magical Power while this effect is not on cooldown. This effect does not trigger on Vortexes. Can only occur once every 15s. PASSIVE - Regenerates 0.4% of your max health every second.
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.
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.
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.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
PASSIVE - If you are hit by a Knockup, Knockback, Pull, or Grab you gain 7% of your max Health over the next 5 seconds. You gain 15 Physical Power and 25 Magical Power while this effect is not on cooldown. This effect does not trigger on Vortexes. Can only occur once every 15s. PASSIVE - Regenerates 0.4% of your max health every 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.
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.
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.
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 - 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.
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.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
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.
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.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
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 - When you take damage and are below 40% Health, you gain a Shield with health equal to 12% of your Maximum Health for 20s. Can only occur once every 60s.
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 - 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.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
AURA - You gain 8 GP5 if you have the lowest gold on your team. Evenly split 80 Physical and Magical Protection among all allied gods within 70 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.
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.
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.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 10%.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
AURA - You gain 8 GP5 if you have the lowest gold on your team. Evenly split 80 Physical and Magical Protection among all allied gods within 70 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.
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.
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.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
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.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
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 - If you are hit by a Knockup, Knockback, Pull, or Grab you gain 7% of your max Health over the next 5 seconds. You gain 15 Physical Power and 25 Magical Power while this effect is not on cooldown. This effect does not trigger on Vortexes. Can only occur once every 15s. PASSIVE - Regenerates 0.4% of your max health every 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 removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 140s.
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 - 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 Critical Hits provide you with 10% Physical Penetration for 4s.
PASSIVE - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
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.
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 - Your abilities heal you for 10% of the damage dealt to targets.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
PASSIVE - Your abilities heal you for 10% of the damage dealt to targets.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
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.
PASSIVE - When you hit an enemy god with Hard Crowd Control, they drop Spikes on the ground that lasts for 7s. When you or an allied god pick up a Spike, they gain a buff that causes their next ability to deal bonus Magic damage equal to 3% of their own Max HP. This effect lasts 15s and is doubled if you are the one who picks up the Spike.
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 increases the Movement Speed of allied gods within 55 units by 25% for 4s, makes them immune to Slows, and grants Haste causing them to be immune to Basic Attack Movement Penalty. For the duration, successful basic attacks increase the duration by 1s up to an additional 4s. Cooldown - 110s
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
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.
PASSIVE - When you are hit by an ability that deals Magical damage, gain 5% Magical Damage Mitigation for 5s. ICD 12s.
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.
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 - 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 - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.