Attributes
Attributes are the main statistics of all heroes that independently determine most scaling statistics. These attributes are strength, agility, and intelligence. Attributes are gained when a hero levels up, obtains a talent, buys certain items, or uses certain abilities. Illusions benefit from attributes.
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Primary attribute[edit]
Every hero has a primary attribute, which controls their attack damage. Every point in their primary attribute adds 1 point of damage to their attacks. Heroes also gain 25% more stats from each primary attribute point than other heroes do. A hero's primary attribute heavily impacts and commonly even defines the hero's role and how they are played. For example, intelligence heroes are typically more dependent on abilities. A hero's primary attribute typically grows faster than the other two attributes.
Strength[edit]
Strength is a measure of a hero's toughness and endurance. Strength determines a hero's maximum health, health regeneration, and additionally magic resistance. Heroes with strength as their primary attribute can be hard to kill, so they often take initiator and tank roles, initiating fights and taking most of the damage from enemy attacks.
For agility and intelligence heroes, every point in strength
- Increases maximum health by 18.
- Increases health regeneration by 0.1.
- Increases magic resistance by 0.08%.
For strength heroes, every point in strength
- Increases attack damage by 1.
- Increases maximum health by 22.5.
- Increases health regeneration by 0.13.
- Increases magic resistance by 0.1%.
Agility[edit]
Agility is a measure of a hero's swiftness and dexterity. Agility determines a hero's armor, attack speed, and additionally movement speed. Heroes with agility as their primary attribute tend to be more dependent on their physical attacks and items, and are usually capable of falling back on their abilities in a pinch. Agility heroes often take carry and Gank roles.
For strength and intelligence heroes, every point in agility
- Increases armor by 0.16.
- Increases attack speed by 1.
- Increases movement speed by 0.05%.
For agility heroes, every point in agility
- Increases attack damage by 1.
- Increases armor by 0.2.
- Increases attack speed by 1.25.
- Increases movement speed by 0.063%.
Intelligence[edit]
Intelligence is a measure of a hero's wit and wisdom. Intelligence determines a hero's maximum mana, mana regeneration, and additionally spell damage amplification. Heroes with intelligence as their primary attribute tend to rely on their abilities to deal damage or help others. Intelligence heroes often take support, gank, and pusher roles.
For strength and agility heroes, every point in intelligence
- Increases maximum mana by 12.
- Increases mana regeneration by 0.05.
- Amplifies spell damage by 0.07%.
For intelligence heroes, every point in intelligence
- Increases attack damage by 1.
- Increases maximum mana by 15.
- Increases mana regeneration by 0.06.
- Amplifies spell damage by 0.088%.
Items improving attributes[edit]
Each attribute has its own set of items that focus on boosting it. These items are different for each attribute. In order to categorize them, they're split into 5 different sections:
- Small Items boost their associated attribute by 3, or all attributes by 1. These items are usually taken as starting items to make up for gaps in a hero's statistics.
- Medium Items boost their associated attribute by 6, or all attributes by 2. Though generally not taken to increase attributes, these items are usually components of many midrange items.
- Large Items boost their associated attribute by 10, or all attributes by 4. These items are usually components in more powerful items, and almost never bought just for the stats.
- Ultimate Items boost their associated attribute by 25, or all attributes by 10. These are mostly used to make late game items because of how expensive they are and how cost-ineffective their are per point of stats.
- Besides the items in the table, Ghost Scepter is another basic item that grants attributes. All other items that grant attributes are upgrades, and are all derived from one or multiple of the 16 items listed below.
| Small | Medium | Large | Ultimate | |
|---|---|---|---|---|
| All Attributes |  +1 All Attributes |
 +2 All Attributes |
 +4 All Attributes |
 +10 All Attributes |
| Strength |  +3 Strength |
 +6 Strength |
 +10 Strength |
 +25 Strength |
| Agility |  +3 Agility |
 +6 Agility |
 +10 Agility |
 +25 Agility |
| Intelligence |  +3 Intelligence |
 +6 Intelligence |
 +10 Intelligence |
 +25 Intelligence |
Talents improving attributes[edit]
Several heroes have talents which directly grant them a boost on one or more attributes. There are talents for each of the 3 attributes, and talents for all attributes together. There are no talents for 2 out of 3 attributes, but a hero may have two separate talents for different attributes, which are usually provided as a choice on the same level, so the player may decide between one of them.
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Abilities and items modifying attributes[edit]
Strength Bonus: 25
While toggled on, grants strength to the owning hero. The strength is granted gradually over a short duration upon toggling on, and is instantly removed upon toggling off.
Radius: 1200
Primary Attribute Bonus: 6/12/18/24
Passively grants nearby allied heroes a bonus to their primary attribute, including to the hero with this ability.
Shift Rate: 1/0.25/0.1/0.04
Strength Turned into Agility per Shift: 1
Passive Agility Bonus: 4/5/6/7
Passively grants agility to the hero with this ability. When toggled on, shifts 1/4/10/25 of the caster's strength into agility per second until toggled off.
Shift Rate: 1/0.25/0.1/0.04
Agility Turned into Strength per Shift: 1
Passive Strength Bonus: 4/5/6/7
Passively grants strength to the hero with this ability. When toggled on, shifts 1/4/10/25 of the caster's agility into strength per second until toggled off.
Intelligence Steal per Stack: 1/2/3/4
Stack Duration: 80 (
140)
Temporarily steals intelligence, removing it from the attacked enemy hero and granting it to the caster. The debuff of multiple casts stacks.
Agility Bonus: 6/14/22/30
Duration: 2
Temporarily grants the triggering unit agility upon successfully attacking the rush target.
Selected Attribute Bonus: 14
Passively grants the owner of the item a bonus to the current selected attribute. Can be cast to switch the bonus from strength to intelligence, from intelligence to agility, or from agility to strength.
Strength Bonus per Stack: 1/1.5/2/2.5 ( 3/3.5/4/4.5)
Permanently grants strength whenever an enemy hero dies close to the hero with this ability, or when the hero with this ability makes a kill.
Strength Steal per Stack: 2 ( 4)
Permanently steals intelligence from enemy heroes whenever they die close to the hero with this ability, or when the hero with this ability kills them.
Target All Attributes Loss per Attack: 1
Slark Agility Bonus per Attack: 1
Duration: 3 ( )
Temporarily steals strength, agility, and intelligence, removing them from the attacked enemy hero, converting them into agility and granting them to the attacking hero with this ability. The debuff of multiple attacks stacks. When a debuffed enemy hero dies within range, or is killed by the hero with this ability, they permanently steal agility from the enemy hero.
Strength Bonus: 10/20/30 ( 50/60/70)
Duration: 0.5
Temporarily grants the caster strength while active.
Primary Attribute Reduction: 12%/13%/14%/15% ( 24%/25%/26%/27%)
Duration: 14
Temporarily reduces the primary attribute of all hit enemy heroes by a percentage. The debuff of multiple casts stacks.
Strength Steal per Stack: 4 (
10)
Duration: 45 ( 95)
Temporarily steals strength, removing it from hit enemy heroes and granting it to the caster. The debuff of multiple casts stacks.
Abilities modified by attributes[edit]
Strength as Bonus Damage: 40%/60%/80%/100% ( 90%/110%/130%/150%)
Double Edge's damage consists of a flat amount, plus a percentage of the caster's strength.
Strength as Damage: 100%/200%/300%
The damage of Stampede is entirely based on the caster's strength.
Agility as Ranged Attack Speed Bonus: 20%/40%/60%/80% ( 45%/65%/85%/105%)
The attack speed bonus is entirely based on the agility of the hero with this ability.
Primary Attribute as Bonus Damage: 200%
Ether Blast's damage consists of a flat amount, plus a percentage of the caster's primary attribute.
Strength as Max Health Regen Bonus: 20%/40%/60%/80%
The health regeneration is based on the strength of the hero with this ability.
Min Bonus Damage Agility Multiplier: 1
Max Bonus Damage Agility Multiplier: 100
The damage is based on the caster's agility to strength ratio, plus a fixed amount. The minimum multiplier is used when the caster's strength is 50% higher than their agility, and the maximum when agility is 50% higher than strength.
Min Knockback Duration: 300
Max Knockback Duration: 1
Min Stun Distance: 100
Max Stun Distance: 500
The stun duration and knockback distance are based on the caster's strength to agility ratio. The minimum duration and distance are used when the caster's agility is 50% higher than their strength, and the maximum when strength is 50% higher than agility.
Mana Burned per Intelligence: 350%/400%/450%/500%
The amount of burned mana is entirely based on the target's intelligence.
Intelligence Difference Damage Multiplier: 9/10/11 ( 11/12/13)
The damage is entirely based on the difference between the intelligence of the caster and each hit enemy hero. Deals no damage if the enemy has equal or higher intelligence.
Strength as Bonus Damage: 30%/60%/90%
Strength as Bonus Heal: 30%/60%/90%
Dismember's damage and self-heal consist of a flat amount, plus a percentage of the caster's strength.
Backstab Damage per Agility: 0.4/0.6/0.8/1 ( 0.6/0.8/1/1.2)
The bonus damage of Cloak and Dagger is entirely based on the agility of the hero with this ability.- Intelligence as Damage: 25%/40%/55%/70% ( 45%/60%/75%/90%)
The damage of Glaives of Wisdom is entirely based on the caster's intelligence. 
Intelligence as Bonus Damage: 160%
Arcane Bolt's damage consists of a flat amount, plus a percentage of the caster's intelligence.
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