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Arcane Aura icon

Out of mana!

▶️ It's a new age of magic!
— 'Keeper of the Light'

Mana (also known as MP, which is short for mana points) represents the magic power of a unit. It is used as a cost for the majority of active abilities. Every hero has a base mana pool of {{#show:Attributes|?mana#}}, while most non-heroes only have a set mana pool if they have abilities which require mana, with a few exceptions. The mana values are set and can't be altered. This means a unit's maximum mana pool can never drop below its set value. However, a hero's mana pool gets bigger for every Intelligence attribute symbol intelligence point they have. Each point of intelligence increases a hero's mana pool by {{#show:Attributes|?bonus mana#}}. Since every hero has some base intelligence and gains intelligence as they level up, their mana pool gets bigger the higher their level is. A hero's base intelligence cannot drop below 1, however, it is possible to reach 0 with the help of negative bonus intelligence.

Note: Although gaining/losing intelligence usually does not increase a hero's current mana, some abilities which grant/reduce intelligence are coded so that they also increase/reduce current mana, instead of only maximum mana.

Display

Health and mana

Blue bar shows mana. Right number is mana regeneration.

The mana of a unit is displayed in the HUD. For some units, it also may be displayed in the game world.

HUD mana bar

Heroes health bar

The mana bars of enemy heroes and creep-heroes are not visible above their head.

Creep-heroes health bar

Despite having no mana pool, Familiars still have a mana bar drawn.

Mana of the selected unit is displayed in the HUD as a blue bar at the bottom of the screen. Unlike the health bar, the mana bar has always the same color. The left number at the center of the bar is the unit's current mana points and the right number is its maximum mana pool. Though not displayed in the HUD, a unit's total mana does use decimal numbers. The visible numbers in the HUD are always rounded up.

The mana regeneration value is only visible on the hero and creep-hero mana bars in the HUD. The regen from other units is not visible. Though the HUD shows only one decimal for mana regeneration, it uses more decimals. The value in the HUD is rounded up.


Over-head mana bar

The mana bar of heroes and creep-heroes are displayed right above their heads, below their health bar. Just like the mana bar in the HUD, this bar is always blue. Even when a creep-hero has no mana pool, a mana bar is still drawn below their health bar above them.

There are no different types of mana bars. They do not have lines like the health bars and do not differ from each other in any way.

Using mana

Most active and some passive abilities need mana in order to be used. This includes item abilities. The mana cost of such are displayed at the bottom left corner of the ability icon in the HUD, and once more inside the ability description in the bottom left corner. Most abilities have a fixed amount of mana cost, but some are dynamic (e.g. based on mana pool, or costing mana over time). The Arcane Rune is the only thing which can manipulate the mana cost of spells, reducing them by 40%. However, this only affects their base cost. Mana cost over time is not affected.

Modifying mana

Some heroes, units (neutral creeps and summoned units) and items have abilities that can affect the mana pool of one or multiple units.

Current mana increasing abilities

Just like healing health, a unit's current mana can be increased by many abilities, mostly referred to as restoring mana. Restoring mana cannot increase the unit's mana beyond its maximum mana pool. Spells may restore mana in a burst on a target, restoring an amount of mana in an instance, or restore mana over time, where the amount is split up in multiple instances. The difference between restoring mana and regenerating mana is that restoring is independent from the regeneration ticks. Unlike regeneration, the restore intervals can vary. Restoring mana is not reflected in the regeneration number on the mana bar.

There are several other abilities which are able to increase a unit's current mana, but these effects do not count as restoring. This means, similar to how damage flagged as HP Removal does not react on on-damage effects, these abilities fully ignore abilities which react on restoring effects, like Tether icon Tether.

Ghost Shroud icon Ghost Shroud is the only ability able to amplify mana restoring effects, similar to how damage can be amplified. It also amplifies mana regeneration. However, some sources of mana restoration are not amplified.

The following abilities are able to increase unit's current mana:

Restoring abilities
  • Fiend's Grip icon
    Restores for: The caster
    Restore interval: 1
    Restored amount: 5% (Upgradable by Aghanim's Scepter. 10%) of target's max mana
    Max duration: 5 (Upgradable by Aghanim's Scepter. 7)
    Drains mana from the target.
  • Holy Persuasion icon
    Restores for: The target
    Restored amount: Max mana
    Fully restores the targeted creep's mana pool.
  • Invoker - [[Invoker#|]]
    Restores for: The caster
    Restored amount: 50% of mana burned
    Restores mana to invoker equal to 50% of the mana every affected unit lost from the EMP.
  • Tether icon
    Restores for: The target
    Whenever Io gets mana restored, the tethered ally gets restored by 150% of the amount.
  • Chakra Magic icon
    Restores for: The target
    Restored amount: 75/150/225/300
  • Lich - [[Lich#|]]
    Restores for: The caster
    Restored amount: 25%/40%/55%/70% of target current health
  • Lifestealer - [[Lifestealer#|]]
    Restores for: The infested unit
    Restored amount: Max mana
    Upon taking control of the infested unit, its mana gets fully restored.
  • Mana Drain icon
    Restores for: The caster
    Restore interval: 0.2
    Restored amount per second: 20/40/60/120
    Max duration: 5
    Drains mana from the target.
  • Mystic Snake icon
    Restores for: The caster
    Restored amount: 11%/14%/17%/20% of target's max mana per jump
    Max jumps: 3/4/5/6
    Steals a percentage of each hit target's max mana, then transfers all stolen mana to the caster when it returns
  • Outworld Devourer - [[Outworld Devourer#|]]
    Restores for: The caster
    Restored amount: 12 per restored Intelligence attribute symbol intelligence
    Upon losing the debuff, enemies get 12 mana per missing intelligence point back. This only applies to enemies regaining their intelligence, not to the caster.
  • Outworld Devourer - [[Outworld Devourer#|]]
    Restores for: Whoever procs it
    Restored amount: 10%/15%/20%/25% of max mana
    Has a 40% chance to proc on any ally who casts a spell. Does not count as restoring.
  • Supernova icon
    Restores for: The caster (Upgradable by Aghanim's Scepter. and the targeted ally)
    Restored amount: max mana
    Fully restores the caster (and the ally) to full mana if successfully reborn.
  • Life Drain icon
    Restores for: The caster or the targeted ally
    Restore interval: 0.25
    Restored amount per second: 120/160/200 (Upgradable by Aghanim's Scepter. 180/240/300)
    Only restores mana when Pugna or the targeted ally are at full health. Restores for the same amount as it damages, so the values are affected by any sort of damage reduction. Does not count as restoring.
  • Time Lapse icon
    Restores for: The caster
    Sets the caster's mana back to what it was 5 seconds ago, so the restoration varies or might not restore if the mana was lower 5 seconds ago.
Restoring items
  • Arcane Boots icon
    Restores for: All allied units within range
    Restored amount: 135
  • Cheese - [[Cheese#|]]
    Cheese icon
    Restores for: The caster
    Restored amount: 1500
  • Enchanted Mango icon
    Restores for: The target
    Restored amount: 150
  • Guardian Greaves icon
    Restores for: All allied units within range
    Restored amount: 160
  • Magic Stick icon
    Restores for: The caster
    Restored amount: 15 per charge
    Max charges: 10
  • Magic Wand icon
    Restores for: The caster
    Restored amount: 15 per charge
    Max charges: 17
  • Soul Ring icon
    Restores for: The caster
    Restored amount: 150
    If the added 150 mana would exceed the user's current mana pool, its maximum mana pool is temporarily increased by the exceeding amount. At the end of the duration, the user loses any of the unused mana of the 150 mana and its maximum mana pool goes back to normal if it was exceeded.

Current mana reducing abilities

There are many abilities capable of reducing mana, referred to as burning if it causes damage based off mana removed, draining if the mana is stolen and given to the caster or removed if the mana is simply reduced.

The following abilities reduce a unit's current mana:

Reducing abilities
Reducing items
  • Diffusal Blade icon
    Affects: The target
    Mana burned: 50
    Mana burned as damage: 80%
    Illusions only burn 16/8 (melee/ranged) mana per hit.
  • Soul Ring icon
    Affects: The caster
    Mana removed: Up to 150
    If the previously gained mana from Sacrifice stays unused, it gets removed again.

Maximum mana affecting abilities

Besides Intelligence attribute symbol intelligence and raw bonuses from items, there are only very few abilities which can alter a unit's maximum mana.

This list does not include intelligence affecting sources.

Max mana altering abilities

Mana granting items

Many items grant their owners a mana bonus, increasing their maximum mana when equipped, either by increasing their intelligence, or by just giving them a flat bonus. In either case, the current mana percentage stays the same.


The following items increase a unit's maximum mana pool. The affects are limited to the item's owner, which must have the item equipped.

{{#ask: [[Bonus mana::>>0]] OR [[Active mana::>>0]] | ?item cost# | ?bonus mana# | ?active mana# | userparam = Bonus mana | limit = 100 | link = none | format = template | template = Template:Item bonus value table el | introtemplate = Template:Item bonus value table start | outrotemplate = Template:Item bonus value table end }}

Mana regeneration

Mana Regeneration determines the amount of mana a unit regains each second. It is shown as a small number with a + sign at the right side of the unit's mana bar. Heroes regain mana in 0.01 second intervals. Each second, a hero regains mana equal to their base rate (0.01 for every hero, except Techies minimap icon Techies with {{#show:Techies|?mana regen#}}), plus {{#show:Attributes|?bonus mana regeneration flat#}}/second for every point of Intelligence attribute symbol intelligence, plus any bonuses from items and abilities. There are sources of flat mana regen bonuses and source that increase mana regeneration by a percentage. The Fountains of both teams regenerate any unit belonging to their team within range by {{#show:Fountain#Rejuvenation Aura|?value3#}} base + {{#show:Fountain#Rejuvenation Aura|?value4#}} of the unit's maximum mana per second. Although mana regeneration is not capped, the HUD does not show any mana Regeneration over 500 mana per second.

Any source of flat mana regeneration simply adds its value on top of the unit's mana regeneration, if it has a base mana regen. This flat bonus is unaffected by any percentage mana regen bonus.

Percentage mana regen multiplies the unit's base mana regen + regen from intelligence and then adds it to its mana regeneration. This means that this bonus is also unaffected by other percentage mana regen sources.

Example:

  • A hero with 20 intelligence has a main mana regeneration of (0.01 + 20 * {{#show:Attributes|?bonus mana regeneration flat#}}) = Expression error: Unrecognized punctuation character "{"..
  • One Sage's Mask icon Sage's Mask increases it to: Expression error: Unrecognized punctuation character "{". * (1 + Expression error: Unrecognized punctuation character "{".) = Expression error: Unrecognized punctuation character "{". MP/s
  • Two Sage's Mask icon Sage's Masks increase it to: Expression error: Unrecognized punctuation character "{". * (1 + Expression error: Unrecognized punctuation character "{". + Expression error: Unrecognized punctuation character "{".) = Expression error: Unrecognized punctuation character "{". MP/s
  • Using a Clarity icon Clarity on top of that results in: Expression error: Unrecognized punctuation character "{". * (1 + Expression error: Unrecognized punctuation character "{". + Expression error: Unrecognized punctuation character "{".) + Expression error: Unrecognized punctuation character "{". = Expression error: Unrecognized punctuation character "{". MP/s

So the full formula is:

(Base mana regeneration + {{#show:Attributes|?bonus mana regeneration flat#}} * Intelligence attribute symbolintelligence) * (1 + sum of all percentage bonuses) + sum of all flat bonuses

Without regeneration bonuses, the time to regenerate all mana typically ranges from 318 to 324 seconds.

Base mana regeneration

Heroes
Every hero has a base mana regeneration rate of 0.01 MP/sec, except for Techies minimap icon Techies with {{#show:Techies|?mana regen#}} MP/sec.

Creeps
All units without a mana pool also have no mana regeneration. All other units have the following base mana regen:

Summons
All summons without a mana pool also have no mana regeneration. All other summons have the following mana regen:

Modifying mana regeneration

Just like for mana, there are many abilities and items which can change how fast a unit regenerates mana. Most of them increase mana regeneration rate by adding a flat bonus or by a percentage, but some also increase it based on certain things, like health or attributes.


Mana regeneration affecting abilities

Mana regeneration affecting abilities usually either affect the regen rate heavily, but only last temporarily, or affect it in smaller amounts, but may last permanently.

The following abilities affect a unit's mana regeneration:

Hero/unit abilities
  • Chemical Rage icon
    Affects: The caster
    Mana regen bonus: 3/7.5/12
    Duration: 25
    Does not count as mana regeneration bonus, instead increases base regen, so it is affected by percentage based mana regeneration bonuses.
  • Arcane Aura icon
    Affects: All allies on the map
    Allies mana regen bonus: 1/1.5/2/3
    Self mana regen bonus: 2/3/4/6
  • Rejuvenation Aura icon
    Affects: All allied units within range
    Mana regen bonus: 14 + 4% of max mana
    Buff linger duration: 3
  • Hill Troll Priest - [[Hill Troll Priest#|]]
    Affects: All allied units within range
    Mana regen bonus: 3
  • Death Pulse icon
    Affects: Self
    Mana regen bonus: 1/3/5/7 per stack
    Stack duration: 7
    Hero kills grant 10 stacks at once. No stack limit.
  • Nether Ward icon
    Affects: All enemy units within range
    Max mana as Mana regen reduction: 0.25%/0.5%/0.75%/1%
Item abilities
  • Aegis of the Immortal icon
    Affects: The owner
    Mana regen bonus: 20% of max mana
    Duration: 5
    Regenerates wielder upon expiring. Regen is lost upon taking player based damage.
  • Bloodstone icon
    Affects: Self
    Mana regen bonus: 1 per charge
    Starts with 12 charges. Gains 1 charge per kill or when an enemy dies within range. Loses 33.33% of charges upon death.
  • Bottle icon
    Affects: The target
    Mana regen bonus: 24
    Duration: 2.5
    Can hold up to 3 charges. Charges replenish when getting within range of the team's fountain. Regen is lost upon taking player based damage.
  • Clarity - [[Clarity#|]]
    Clarity icon
    Affects: The target
    Mana regen bonus: 3.8
    Duration: 50
    Has 1 charge. Regen is lost upon taking player based damage.
  • Bottle (Regeneration) icon
    Mana regen bonus: 67
    Duration: 30
    Regen is lost upon taking player based damage or when at full health and mana.
  • Ring of Aquila icon
    Affects: All allied units within range
    Mana regen bonus: 0.65
    Buff linger duration: 0.5
    Can be toggled off to affect heroes only. Does not stack with Basilius Aura or Vladmir's Aura.
  • Ring of Basilius icon
    Affects: All allied units within range
    Mana regen bonus: 0.65
    Buff linger duration: 0.5
    Can be toggled off to affect heroes only. Does not stack with Aquila Aura or Vladmir's Aura.
  • Vladmir's Offering icon
    Affects: All allied units within range
    Mana regen bonus: 0.8
    Does not stack with Basilius Aura or Aquila Aura.

Mana regeneration granting items

These items passively increase the owner's mana regeneration by merely having them equipped. They either grant a flat bonus, or a percentage bonus.

These lists exclude item abilities, as they are listed above. They only list the items' bonuses. Items in grey fields grant mana regeneration exclusively through the intelligence they grant.

Basic items

Item Flat regen bonus % regen bonus Cost (Gold) Mana regen/Cost (x1000) % mana regen/Cost (x1000)
Iron Branch icon Iron Branch 0.04 - 50 0.8 -
Circlet icon Circlet 0.08 - 165 0.48 -
Mantle of Intelligence icon Mantle of Intelligence 0.12 - 150 0.8 -
Robe of the Magi icon Robe of the Magi 0.24 - 450 0.53 -
Staff of Wizardry icon Staff of Wizardry 0.4 - 1000 0.4 -
Ultimate Orb icon Ultimate Orb 0.4 - 2100 0.19 -
Mystic Staff icon Mystic Staff 1.00 - 2700 0.37 -
Ghost Scepter icon Ghost Scepter 0.28 - 1600 0.17 -
Infused Raindrop icon Infused Raindrop 0.85 - 225 3.77 -
Sage's Mask icon Sage's Mask - 150% 325 - 153.84%
Void Stone icon Void Stone - 2100% 875 - 114.28%

Upgraded items

Item Flat regen bonus % regen bonus Cost (Gold) Mana regen/Cost (x1000) % mana regen/Cost (x1000)
Mekansm icon Mekansm 0.15 - 2300 0.06 -
Drum of Endurance icon Drum of Endurance 0.36 50% 1850 0.19 27.03%
Medallion of Courage icon Medallion of Courage - 150% 1200 - 41.66%
Solar Crest icon Solar Crest - 175% 3000 - 25%
Ring of Aquila icon Ring of Aquila 0.77 - 985 0.78 -
Ring of Basilius icon Ring of Basilius 0.65 - 500 1.3 -
Vladmir's Offering icon Vladmir's Offering 0.88 - 2375 0.37 -
Urn of Shadows icon Urn of Shadows - 150% 875 - 57.14%
Buckler icon Buckler 0.08 - 800 0.10 -
Headdress icon Headdress 0.08 - 600 0.13 -
Perseverance icon Perseverance - 4125% 1700 - 73.53%
Echo Sabre icon Echo Sabre 0.4 275% 2650 0.15 28.30%
Oblivion Staff icon Oblivion Staff 0.4 275% 1675 0.24 44.77%
Power Treads (Intelligence) icon Power Treads (Intelligence) 0.32 - 1400 0.22 -
Soul Ring icon Soul Ring - 150% 800 - 62.5%
Bracer icon Bracer 0.12 - 525 0.22 -
Magic Wand icon Magic Wand 0.12 - 500 0.24 -
Wraith Band icon Wraith Band 0.12 - 485 0.24 -
Null Talisman icon Null Talisman 0.24 - 470 0.51 -
Ethereal Blade icon Ethereal Blade 0.4 - 4900 0.08 -
Battle Fury icon Battle Fury - 5150% 4350 - 34.48%
Scythe of Vyse icon Scythe of Vyse 1.4 5150% 5675 0.24 26.43%
Refresher Orb icon Refresher Orb - 6250% 5200 - 48.08
Aghanim's Scepter icon Aghanim's Scepter 0.4 - 4200 0.09 -
Bloodthorn icon Bloodthorn 1 5150% 7195 0.14 20.85%
Orchid Malevolence icon Orchid Malevolence 1 3150% 4075 0.25 36.81%
Rod of Atos icon Rod of Atos 1.2 - 3100 0.39 -
Dagon 1 icon Dagon 1 0.52 - 2720 0.19 -
Dagon 2 icon Dagon 2 0.64 - 3970 0.16 -
Dagon 3 icon Dagon 3 0.76 - 5220 0.14 -
Dagon 4 icon Dagon 4 0.88 - 6470 0.13 -
Dagon 5 icon Dagon 5 1.00 - 7720 0.12 -
Necronomicon 1 icon Necronomicon 1 0.6 - 2700 0.22 -
Necronomicon 2 icon Necronomicon 2 0.84 - 3950 0.21 -
Necronomicon 3 icon Necronomicon 3 0.96 - 5200 0.18 -
Eul's Scepter of Divinity icon Eul's Scepter of Divinity 0.4 5150% 2750 0.15 54.54%
Veil of Discord icon Veil of Discord 0.24 - 2670 0.09 -
Force Staff icon Force Staff 0.4 - 2250 0.17 -
Blade Mail icon Blade Mail 0.4 - 2200 0.18 -
Crimson Guard icon Crimson Guard 0.08 - 3850 0.02 -
Linken's Sphere icon Linken's Sphere 0.6 5150% 5175 0.11 28.98%
Bloodstone icon Bloodstone - 6200% 4900 - 40.81%
Manta Style icon Manta Style 0.4 - 4950 0.08 -
Shiva's Guard icon Shiva's Guard 1.2 - 4700 0.25 -
Eye of Skadi icon Eye of Skadi 1 - 5675 0.17 -
Diffusal Blade 1 icon Diffusal Blade 1 0.4 - 3150 0.13 -
Diffusal Blade 2 icon Diffusal Blade 2 0.6 - 3850 0.16 -
Octarine Core icon Octarine Core 1.0 - 5900 0.17
Lotus Orb icon Lotus Orb - 4125% 4000 - 31.25%

Version history

Version
Description
  • Increased hero base mana pool from 50 to 75
  • Reduced mana per intelligence from 12 to 11.
  • Increased hero base mana pool from 0 to 50.
  • Reduced mana per intelligence from 13 to 12.
  • Heroes now respawn with full mana.

See also


de:Mana

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