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 - 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 - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
PASSIVE - On damaging an enemy god with a Basic Attack, gain 2 Physical Pen for 5s, 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.
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 - 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 - Your Critical Hits provide you with 10% Physical Penetration for 4s.
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.
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 healing reduced by 25%. This 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.
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 - Hitting an enemy with a Basic Attack restores 1.4% of your Health, 2% of your Mana and reduces your active non-Ultimate Cooldowns by 0.33s. 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 and only count once for the Cooldown reduction effect.
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 - 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 - Critical Strike bonus damage dealt is increased by 25%.
PASSIVE - Your Critical Hits provide you with 10% Physical Penetration for 4s.
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 - 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 - 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 - 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 - Critical Strike bonus damage dealt is increased by 25%.
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 - All sources of gold gain are increased by 5%. For every 100 gold you have gain 1.25% Attack Speed and 1% Physical Critical Strike Chance, up to a maximum of 20 stacks.
PASSIVE - 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 - 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 - When critically striking an enemy, gain a stack of 5 Physical Power, max 3 stacks, for 5s.
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
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 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - 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 - When damaging an enemy god with a Basic Attack, gain 3% Attack Speed for 10s. Max 5 stacks
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
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 - 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.
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 - 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 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 - Hitting an enemy with a Basic Attack restores 1.4% of your Health, 2% of your Mana and reduces your active non-Ultimate Cooldowns by 0.33s. 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 and only count once for the Cooldown reduction effect.
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.
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 - 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 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 - 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 - 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.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. 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 - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. 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.
PASSIVE - Hitting an enemy with a Basic Attack restores 1.4% of your Health, 2% of your Mana and reduces your active non-Ultimate Cooldowns by 0.33s. 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 and only count once for the Cooldown reduction effect.
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.
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 - 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 removes Crowd Control Effects and makes you immune to new ones for 2s. 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 - On damaging an enemy god with a Basic Attack, gain 2 Physical Pen for 5s, 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.
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 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).
PASSIVE - Your Healing obtained from Magical Lifesteal is increased by 15%. Your Magical power is increased by 1.5x the amount of Magical Lifesteal you have.
PASSIVE - Your Basic Attacks deal bonus damage of 5 (+3 Per Level). This effect does not hit structures.
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.
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 - 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 - 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.
PASSIVE - On damaging an enemy god with a Basic Attack, gain 2 Physical Pen for 5s, 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.
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 - 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.
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.
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 - 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.
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 - 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 - 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.
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 - 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 - Getting the assist for an enemy minion or jungle monster dying will provide 8 Bonus gold and restore 12 Health and 8 Mana. If you are not within 30 units of an allied god for 20 seconds this passive is disabled until you are near an allied god again. Can be upgraded at level 15.
PASSIVE - 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 removes Crowd Control Effects and makes you immune to new ones for 2s. 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 - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. 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 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 - 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 - 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.
PASSIVE - On damaging an enemy god with a Basic Attack, gain 2 Physical Pen for 5s, 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.
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 you kill an enemy you gain 7 gold and 25% Attack Speed for 8s. This can stack up to 3 times. If you kill an enemy god you gain 3 stacks and 21 gold immediately.
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).
PASSIVE - Your Healing obtained from Magical Lifesteal is increased by 15%. Your Magical power is increased by 1.5x the amount of Magical Lifesteal you have.
PASSIVE - Your Basic Attacks deal bonus damage of 5 (+3 Per Level). This effect does not hit structures.
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 - When you kill an enemy you gain 7 gold and 25% Attack Speed for 8s. This can stack up to 3 times. If you kill an enemy god you gain 3 stacks and 21 gold immediately.
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).
PASSIVE - Your Healing obtained from Magical Lifesteal is increased by 15%. Your Magical power is increased by 1.5x the amount of Magical Lifesteal you have.
PASSIVE - Your Basic Attacks deal bonus damage of 5 (+3 Per Level). This effect does not hit structures.
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 - 170s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).
This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Using this item removes Crowd Control Effects and makes you immune to new ones for 2s. Cooldown - 170s.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).