Dark Seer

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(Redirected from Vacuum)
Dark Seer
20 + 2.6
19 + 1.5
22 + 2.7
Grants the following bonuses per level:
+57.2HP and +0.26HP regeneration
+0.25 armor and 1.5 attack speed
+32.4MP and +0.135MP regeneration
+0.1% base magic resistance
+2.7 Main Attack Damage
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4.17
Armor
(700.11 EHP)
27.2%
Magic Resist
(769.23 EHP)
Instant
Projectile Speed
Melee Melee units have their projectile speed set to 900, if they should ever need it.
100 (119)
(1.7 BAT)
Base Attack Time Attacks per Second is defined as
ΣAS / BAT / 100
0.59 + 0.58
Turn Rate This unit takes 0.175s to turn 180°.
This ability component has a different effect during daytime. 1800 / This ability component has a different effect during nighttime. 800
Default
Gib Type
2011-04-30
Released
2007-06-10
Competitive Span
2011-04-30 — Present
Version Control
This article is mostly accurate for 7.40, the last version this hero was changed in.

New interactions that emerged in following patches may have not yet been accounted for.
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Pulls and manipulates his enemies' positions.
A cunning tactician, the Dark Seer excels at manipulating positions of his enemies. Vacuuming and Punching foes into the attacks of his allies, drawing them into the prismatic thorns of his Ion Shell. Armed only with his intellect, he Surges across the land to survey every point of conflict. At strategic locations Ish'Kafel places his Wall of Replica, sowing confusion amongst enemy ranks as an army of duplicates emerge to do battle against their own likenesses.
Vacuum
Ion Shell
Surge
Surge
Normal Punch
Normal Punch
Wall of Replica
Roles:Initiator Initiator Escape Escape Disabler Disabler
AdjectivesBearded, Parent, Nose
Legs ( 2 )
Quick Wit
Quick Wit
Grants self flat bonus attack speed per current Intelligence intelligence .
Heart of Battle
Heart of Battle
Grants the Dark Seer a fraction of the sum of all heroes' movement speed within the radius, with a minuscule trade-off.

Upgrades

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Aghanim's

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Upgradable by Aghanim's Scepter.
Aghanim's Scepter Upgrade:
Normal Punch
Grants the Normal Punch ability.

The next attack on an enemy hero has True Strike, damages, and stuns based on Dark Seer's recently moved distance.

The punch knocks a replica of the affected enemy hero that deals additional damage and receives additional incoming damage.
Upgradable by Aghanim's Shard.
Aghanim's Shard Upgrade:
Surge
The charged-up allied unit leave behind a trail that damages and slows enemy units around it.
Surge (Alt-Cast)
Does not create the Surge trail with Alt-Cast toggled on.

Talents

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+350 Surge Radius252 Ion Shell Charges
+50 Ion Shell Damage20-40s Wall of Replica Cooldown
Ion Shell Grants +250 Max Health15+75 Vacuum Radius
+65 Ion Shell Radius10+15% Wall of Replica-based Illusion Damage
▃ ▃ ▃ ▃ ▃ ▃ ▃
+2 All / / Attributes

Bio

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If your enemy is equal, prepare for him. If greater, elude him. If weaker, crush him.
▶️  Ish'Kafel, the Dark Seer
Alias:
DS
Fast when he needs to be, and a cunning strategist, Ish'Kafel the Dark Seer requires no edged weapons to vanquish his enemies, relying instead on the strength of his powerful mind. His talent lies in his ability to maneuver the fight to his advantage. Hailing from a place he calls 'The Land behind the wall,' Dark Seer remains an outsider here—a warrior from a realm beyond the veil of this reality.

Once a great general among his people, and a valiant defender of the god-king Damathryx, Dark Seer's army was wiped out by a much larger force in the final days of the Great Boundaries War. Facing certain defeat, he made one last desperate act: he led the enemy forces into the maze between the walls. At the last moment, just before capture, he crossed over—then sealed the walls forever in an explosive release of dark energy. When the dust settled, he saw that he had saved his people but found himself blinking at the sun of a different world, with no way to return. Now he is committed to proving his worth as a military strategist, and vows to show that he's the greatest tactician this strange new world has ever seen.

Aggrandize

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Aggrandize
This ability is not bestowed by Illusions. Fully disabled by Break.
Passive
Affects
Self
Self-heals and self-mana restores every time the Dark Seer levels up.
Max Health as Heal: Affected by Heal Manipulation sources. 10%
Max Health as Heal Bonus per Level: 1.5%
Max Mana as Mana Restore: Affected by Mana Restore Manipulation sources. 10%
Max Mana as Mana Restore Bonus per Level: 1.5%
Status Effects
Buff modifier_dark_seer_aggrandizeUndispellable.
Hidden Modifier
MODIFIER_PROPERTY_OVERRIDE_ABILITY_SPECIAL
MODIFIER_PROPERTY_OVERRIDE_ABILITY_SPECIAL_VALUE

Quick Wit

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  Quick Wit
This ability is not bestowed by Illusions. Neither affected nor disabled by Break.
Passive
Affects
Self
Grants self flat bonus attack speed per current Intelligence intelligence.
Attack Speed Bonus per Int: 1

Heart of Battle

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  Heart of Battle
Fully disabled by Break.
Passive
Affects
Self
Grants the Dark Seer a fraction of the sum of all heroes' movement speed within the radius, with a minuscule trade-off.
Radius: Affected by AoE Radius increasing sources. 1200
Hero Speed to Flat Move Speed Bonus: 7%
Self Move Speed Slow: 20

Hero Model

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Hero Model
Passive / Channeling
Affects
Self
Dark Seer's hero model has the following hidden Innate. innate abilities.

He may only perform or utilize the ability's functions upon a successful channeling, excluding passive innate abilities.
Details
Hidden Innate Abilities
Watch Tower
Warp
Warp
Lantern of Sight
Damage Block (Melee)
Tap on the Innate. innate abilities for more details.

Abilities

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Vacuum

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Q
C
Vacuum
Affects
Enemy Units
Spell / Magical
Creates a vacuum within the area-targeted location that sucks in all enemy units within the radius, interrupting and dealing damage.
Cast Animation: 0.4 + 0.4
Cast RangeAffected by Cast Range increasing sources. 450/500/550/600
Effect Radius: Affected by AoE Radius increasing sources. 325/400/475/550 (With level 15 Right Talent.With level 15 Right Talent. 400/475/550/625)
Damage: 70/130/190/250
Pull Duration: 0.3/0.4/0.5/0.6
60/50/40/30
Mana Cost
60/90/120/150
Ish'Kafel modifies the center of gravity to a place of his choosing.

Ion Shell

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W
E
Ion Shell
Affects
Units
Spell / Magical
Surrounds the target unit with a bristling shield that damages enemy units in an area around it.
Cast Animation: 0.2 + 0.9
Cast RangeAffected by Cast Range increasing sources. 800
Damage Radius: Affected by AoE Radius increasing sources. 275 (With level 10 Left Talent.With level 10 Left Talent. 340)
Damage per Second: 30/50/70/90 (With level 20 Left Talent.With level 20 Left Talent. 80/100/120/140)
Duration: 20/22/24/26
Max Health Bonus: (With level 15 Left Talent.With level 15 Left Talent. 250)
Charge Replenish Time
(With level 25 Right Talent.With level 25 Right Talent. Cooldown)
Number of Charges
(With level 25 Right Talent.With level 25 Right Talent. 2)
9 (With level 25 Right Talent.With level 25 Right Talent. 0)
Mana Cost
100/110/120/130
The Dark Seer slices holes into the 'Land Behind the Wall,' causing prismatic energy to seep forth.

Surge

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E
R
Surge
Unit / Area
Affects
Allied Units / Enemy Units
Spell / Magical
Charges an allied unit with power, granting a brief max movement speed burst and phase movement. The allied unit cannot be slowed.
Cast Animation: 0.4 + 0.57
Cast RangeAffected by Cast Range increasing sources. 600
Haste Speed: 550
Duration: 3/4/5/6
Aghanim's Shard Upgrade
Aghanim's Shard Upgrade
The charged-up allied unit leave behind a trail that damages and slows enemy units around it.
Trail Width: Affected by AoE Radius increasing sources. (Upgradable by Aghanim's Shard. 150)
Damage Interval: (Upgradable by Aghanim's Shard. 0.5)
Damage per Second: (Upgradable by Aghanim's Shard. 40)
Move Speed Slow: (Upgradable by Aghanim's Shard. 35%)
Duration: (Upgradable by Aghanim's Shard. 7)
Aura Linger Duration: (Upgradable by Aghanim's Shard. 1)
Aghanim's Shard Upgrade
Aghanim's Shard Upgrade
Does not create the Surge trail with Alt-Cast toggled on.
Talent Upgrade
Surge is now an area-targeted ability and applies the buff to allied units within the radius.
Radius: Affected by AoE Radius increasing sources. 350
24/19/14/9
Mana Cost
50
Ish'Kafel once used his speed of mind to navigate the maze between the walls.

Normal Punch

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Passive
Affects
Enemy Heroes
Spell / Magical
The next attack on an enemy hero has True Strike, damages, and stuns based on Dark Seer's recently moved distance.
Movement Timer: 3
Max Values Distance: 1100
Min Knock Distance: 10
Max Knock Distance: 350
Min Damage: 10
Max Damage: 400
Min Stun Duration: 0.2
Max Stun Duration: 1.25
The punch knocks a replica of the affected enemy hero that deals additional damage and receives additional incoming damage.
Number of Illusions: 1
Spawn Delay: 0.25
Damage Dealt: Affects the outgoing ability value positively of the affected unit. 70%/80%/90% (With level 10 Right Talent.With level 10 Right Talent. 85%/95%/105%)
Damage Taken: Affects the incoming ability value negatively of the affected unit. 200%
Duration: 6
Teleport sources may only add a certain distance to the distance counter, regardless of the teleport distance.
Counter Bonus: 600
10
As a young soldier, long before he became a leader of his people, Ish'Kafel was known amongst his fellow recruits as quite the pugilist.

Wall of Replica

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R
W
Wall of Replica
Point / Vector
Affects
Enemy Heroes
Spell / Magical
Raises a wall of light that slows and creates replicas of any enemy hero who crosses it.

These replicas serve at the Dark Seer's will, they last until destroyed or until the wall duration ends.
Cast Animation: 0.2 + 0.73
Cast RangeAffected by Cast Range increasing sources. 1000
Number of Walls: 1
Wall Length: Affected by AoE Radius increasing sources. 1300
Wall Width: 50
Damage Upon Illusion Creation: 25/40/55
Move Speed Slow: 40%
Slow Duration: 1
Wall Duration: 30
These replicas deals additional damage and also receives additional incoming damage.
Number of Illusions per Hero: 1
Damage Dealt: Affects the outgoing ability value positively of the affected unit. 70%/80%/90% (With level 10 Right Talent.With level 10 Right Talent. 85%/95%/105%)
Damage Taken: Affects the incoming ability value negatively of the affected unit. 200%
Max Duration: 30
100 (With level 20 Right Talent.With level 20 Right Talent. 60)
Mana Cost
125/250/375
The Dark Seer, while unable to return to his natural realm, can channel part of the prismatic wall with powerful strength of mind, sowing confusion amongst enemy ranks.

Recent Matches

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Main Article: Dark Seer/Matches
DateTierTournamentPicksScorevs. Picks
January 9, 2026 - 12:00 SGTQualifierSEA CQ DreamLeague S28SEA CQ DreamLeague S28SEA CQ DreamLeague S28Jakiro Ember Spirit Tusk Naga Siren Dark Seer
1 : 0
Slardar Disruptor Storm Spirit Skywrath Mage Monkey King
January 8, 2026 - 21:05 UTCQualifierNA OQ2 DreamLeague S28NA OQ2 DreamLeague S28NA OQ2 DreamLeague S28Disruptor Spirit Breaker Dark Seer Primal Beast Troll Warlord
0 : 1
Tusk Tiny Ursa Dazzle Axe
January 8, 2026 - 16:00 CETQualifierWEU OQ2 DreamLeague S28WEU OQ2 DreamLeague S28WEU OQ2 DreamLeague S28Void Spirit Warlock Dark Seer Phantom Assassin Tiny
0 : 1
Axe Ursa Jakiro Skywrath Mage Storm Spirit
January 7, 2026 - 23:10 UTCQualifierNA OQ2 DreamLeague S28NA OQ2 DreamLeague S28NA OQ2 DreamLeague S28Ogre Magi Nyx Assassin Primal Beast Dark Seer Morphling
1 : 0
Timbersaw Clinkz Tusk Magnus Shadow Demon
January 7, 2026 - 22:15 UTCQualifierNA OQ2 DreamLeague S28NA OQ2 DreamLeague S28NA OQ2 DreamLeague S28Warlock Spirit Breaker Ursa Primal Beast Dark Seer
1 : 0
Tidehunter Skywrath Mage Clinkz Tusk Huskar
  • Dark Seer has won the following final matches in The International of the following years:

Recent Changes

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Main Articles: Changelogs, Old Abilities and Hero Lore
Description
7.40
(2025-12-15)
7.39c
(2025-06-24)
7.39b
(2025-05-29)

Dota Plus Progress

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Main Article: Hero Challenges

Relics track a hero's actions and statistics, and display in-game notifications when a milestone is reached. They are only available to Dota Plus subscribers.

Dark Seer's Relics Voice Lines

Three Hero Vacuums

Blink Vacuum Combos

Ion Shell Creep Kills

Vacuum Walled Heroes

Ally Surge Duration

Ion Shell Damage

Teleports Leading To Kills

Motion Controls Leading To Kills

Shiva's Guard Slow Duration

Channels Cancelled

Triple Kills

Mega Kill Streaks

Kill Assists

Kills

Bronze

Silver
  • ▶️ Oh, you didn't see that coming, did you?
  • ▶️ Your life, much like your head, lacked a point.

Gold

Platinum

Master
  • ▶️ We are not so different, my enemies and I. Except my brain is much larger.

Grandmaster

Equipment

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Trivia

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  • Dark Seer's response, ▶️ "Speed is the heart of battle." is an indirect quote of Chinese military strategist Sun Tzu, who said "Quickness is the essence of war."
  • Dark Seer's response, ▶️ "No, I will not calm my beard." is a response to Beastmaster's and Clockwerk's rival hero taunts, both voiced by Sam A. Mowry.
  • Dark Seer's Vacuum's lore is based on the military term, center of gravity, which is a concept developed by Carl Von Clausewitz, a Prussian military theorist, in his work On War.
  • Normal Punch makes numerous references to the anime "One Punch Man".
    • The name of the ability references the protagonist Saitama's move "Consecutive Normal Punches".
    • The particle effects include a giant red fist striking the enemy, which looks like the Saitama's fists.
    • The particle effect generally has an anime-style theme to it, with the static lines and whirls, the haloes, and the Japanese floating texts, which are the Japanese equivalents of "Pow!".
    • ドゴン (do-go-n), the text upon knocking back an enemy unit, with ド (do) usually representing a really normal soft bang sound like lightly dropping something on a table, and トントン (ton ton) akin to a knocking sound.
      • dogo-, dogon, dogoo- ( ドゴオッ ):
        • Big punch, chop (karate), or kick, big impact; quick punch, impact, or emphasis [do] + hard impact [go].
        • It is also used as a dramatic impact. (SFX: Kapow! Whomp! Wop! Chop!)
  • The effect of Normal Punch punching an illusion out of the body may be a reference to the scene in "Doctor Strange" in which Doctor Strange's "astral form" is getting separated from his physical form.[1]
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References

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