PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
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 - 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 Acorn Blast are debuffed, taking 5% additional damage from Ratatoskr's abilities, stacking up to 3 times. Acorn Blast now fires 5 Acorns.
PASSIVE - After casting an ability your next Basic Attack deals an additional 70 True Damage. After hitting a Basic Attack empowered by Bumba’s Hammer, your active cooldowns are reduced by 0.5s and you are healed for 80 Health.
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 - 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.
Using this item grants all allied gods within 70 units 10% Increased Damage dealt to all targets, including objectives, and 25% Attack Speed increase for 6 seconds. Cooldown - 130s.
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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
AURA - Damageable enemy structures within 55 units have their Attack Speed reduced by 30%. Damageable allied structures within 55 units have their Attack Speed increased by 30%.
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.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Enemies hit by your Basic Attacks are burned, taking 16 Physical Damage (+7% of your Physical and Magical Power) over 2s and have their Attack Speed reduced by 4.5%. Gods take 50% damage. Jungle Monsters take 4x the amount of damage and restore 2.5% Health and 5% Mana when they die. This effect can stack up to 3 times. 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 - 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.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
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 - 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 - For every non-ultimate ability on cooldown you gain a stack of Cruelty. Each stack provides 7 Physical Power and 2% Physical Lifesteal.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Enemies hit by your Basic Attacks are burned, taking 16 Physical Damage (+7% of your Physical and Magical Power) over 2s and have their Attack Speed reduced by 4.5%. Gods take 50% damage. Jungle Monsters take 4x the amount of damage and restore 2.5% Health and 5% Mana when they die. This effect can stack up to 3 times. 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 - 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.
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.
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 - 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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
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 - Enemies that successfully land a basic attack on you have their Movement Speed and Attack Speed reduced by 8% for 3 seconds. This effect can stack up to 4 times and can stack with other item slow effects.
PASSIVE - Enemy gods within 55 units have their Healing reduced by 15%. This effect does not stack with similar auras.
Using this item grants all allied gods within 70 units 10% Increased Damage dealt to all targets, including objectives, and 25% Attack Speed increase for 6 seconds. Cooldown - 130s.
Using this item reduces the Healing received by all enemy gods within 55 units by 40%, decreases their shield effectiveness by 50% for 10s and removes 75% of any currently applied shield. Enemies that are healed by god abilities while affected by this curse take 10% more damage from all sources for the duration of the curse. Cooldown - 120s.
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 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.
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.
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 deal 30% increased damage to Jungle Monsters. Upon defeating a Large Jungle Monster you place a ward at its location that lasts for 30 seconds. While in the jungle you gain 3% Movement Speed, +20 HP5 and +15 MP5 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 - 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 - Gain 5% Movement Speed for 10s on killing or assisting an enemy god. Stacks up to 3 times.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - You deal 30% increased damage to Jungle Monsters. Upon defeating a Large Jungle Monster you place a ward at its location that lasts for 30 seconds. While in the jungle you gain 3% Movement Speed, +20 HP5 and +15 MP5 Can be upgraded at level 20.
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 - Gain 5% Movement Speed for 10s on killing or assisting an enemy god. Stacks up to 3 times.
PASSIVE: Enemies hit by Acorn Blast are debuffed, taking 5% additional damage from Ratatoskr's abilities, stacking up to 3 times. Acorn Blast now fires 5 Acorns.
PASSIVE - After casting an ability your next Basic Attack deals an additional 70 True Damage. After hitting a Basic Attack empowered by Bumba’s Hammer, your active cooldowns are reduced by 0.5s and you are healed for 80 Health.
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 - Protects you from a single hard Crowd Control effect once every 70 seconds. When this occurs, you gain 1s of Crowd Control immunity. <n>GLYPH - If an enemy God consumes your passive, they become Marked for Revenge for 5s, causing them to receive 10% more damage and granting allied Gods within 40 units 20% increased Movement Speed towards them.
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 - 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.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - After casting an ability your next Basic Attack deals an additional 70 True Damage. After hitting a Basic Attack empowered by Bumba’s Hammer, your active cooldowns are reduced by 0.5s and you are healed for 80 Health.
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 - 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 - When your Ultimate ability has finished casting, reveal all enemy gods within 120 units for 10s. While moving towards revealed enemies gain 20% Movement Speed. When first striking a revealed target they take an additional 30 + 50% of your Physical Power. This can only occur once every 45 seconds.
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%. If an enemy deals 10% of an Allied God's Maximum Health within the duration, the debuff's effects are increased by 5% each, stacking up to 3 times. Cooldown - 110s.
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 - 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.
AURA - Allies within 70 units receive 10 Physical Protection and 10 Magical Protection.
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.
AURA - Allied gods within 70 units have their Attack Speed increased by 30%.
GLYPH - When your ultimate ability has finished casting you provide an aura in a 70 unit range around you reducing basic attack damage from enemies by 25% for 5s. This effect may only occur once every 45s.
PASSIVE - If you have not taken or dealt damage in the last 5s and hit an enemy god, Jungle Monster, or Jungle Boss, they immediately take 20% of their Current Health as Physical Damage and are slowed by 25% for 3s.
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.
<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 - 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 - Protects you from a single hard Crowd Control effect once every 70 seconds. When this occurs, you gain 1s of Crowd Control immunity.
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 - 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 - 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 - For each enemy God within 55 units of you, you gain a stack of 4% Damage Mitigation. This caps at 3 stacks.
GLYPH - When your ultimate ability has finished casting you provide an aura in a 70 unit range around you reducing basic attack damage from enemies by 25% for 5s. This effect may only occur once every 45s.
Relics provide special powers available to all gods. Your first Relic is free at Level 1 and your Second Relic is unlocked once you reach Level 12.
Relics provide special powers available to all gods. Your first Relic is free at Level 1 and your Second Relic is unlocked once you reach Level 12.
Using this item allows you to teleport to any allied structure while Rooted in place. This effect is not interrupted by damage but is interrupted by hard Crowd Control. Cooldown - 220s.
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.
AURA - Allied gods within 70 units have their Attack Speed increased by 30%.
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.
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 - Each time you Basic Attack an enemy god, gain a stack. When you have 4 stacks, your next Basic Attack damage Slows the enemy god hit by 15% for 2s. Additional Slows applied from this item refresh the duration.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - While in the jungle you gain 15% Power and 7% Protections.
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.
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.
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 - 120s.
PASSIVE - Enemy gods that you hit have their healing taken reduced by 50% for 5s.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
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 - For each enemy God within 55 units of you, you gain a stack of 4% Damage Mitigation. This caps at 3 stacks.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 140s.
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 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 - 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 - 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.
Using this item allows you to teleport to any allied structure while Rooted in place. This effect is not interrupted by damage but is interrupted by hard Crowd Control. Cooldown - 220s.
PASSIVE - Every time you cast an ability that costs mana you gain a stack of Focus for 10s, providing 5% Movement Speed and 5% Damage Increase, stacking up to 3 times.
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
AURA - Enemy gods within 55 units have their healing reduced by 25%. This does not stack with similar Auras.
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.
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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 140s.
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 - You gain Physical Power equal to 2% of your Maximum Mana.
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 - 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 - 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 - While in the jungle you gain 15% Power and 7% Protections.
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 - 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 every non-ultimate ability on cooldown you gain a stack of Cruelty. Each stack provides 7 Physical Power and 2% Physical Lifesteal.
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.