Dark Seer

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Dark Seer
Dark Seer icon.png
Strength attribute symbol.png
Agility attribute symbol.png
Intelligence attribute symbol.png
20 + 3.1
18 + 1.8
21 + 3.1
Level 0 1 15 25 30
Health 200 600 1460 2080 2380
Health regen 0 2 6.34 9.44 10.99
Mana 75 327 843 1215 1395
Mana regen 0 1.05 3.22 4.77 5.55
Armor 2 5 9.2 12.2 13.7
Att/sec 0.59 0.69 0.84 0.95 1
Damage 33‒39 54‒60 97‒103 128‒134 143‒149
Magic resistance 25%
▶️ Movement speed 295
▶️ Attack speed 100
Turn rate 0.6
Vision range 1800/800
Attack range 150
Projectile speed Instant
Attack animation 0.59+0.58
Base attack time 1.7
Damage block 8
Collision size 24
Gib type Default

Ish'kafel, the Dark Seer, is a melee intelligence hero who relies on his abilities' potent utility and synergy. In lane he is sustained by high armor and enabled by his Ion Shell and Surge. Surge boosts his or an ally's speed, helping them to escape or pursue opponents. Ion Shell wraps a unit in a spiky shield that rapidly damages nearby enemies, enabling Ish'kafel to harass and gain last hits. These abilities also make him an efficient jungler and therefore a natural semi-carry, usually focused on building utility items.

Dark Seer's greatest damage is done during teamfights and comes from the combination of his final two abilities. Vacuum makes for powerful initiations. It sucks in nearby enemies, briefly disabling them and making them susceptible to area of effect spells—such as his Wall of Replica. The wall slows his foes and creates replicas of any enemy heroes that cross it, high-damage illusions that Dark Seer can control. A subtle hero, Ish'kafel's dark energies can be deadly in the right hands.


Dark Seer minimap icon.pngIsh'Kafel, the Dark Seer
▶️ "If your enemy is equal, prepare for him. If greater, elude him. If weaker, crush him."
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.


Vacuum icon.png
Dark Seer creates a vacuum over the target area that sucks in enemy units, disrupting them and dealing damage.
Cast Animation: 0.4+0.7
Cast Range: 450/500/550/600
Effect Radius: 400/450/500/550 (Talent 460/510/560/610)
Damage: 100/150/200/250
Pull Duration: 0.3/0.4/0.5/0.6
Cooldown: 60/50/40/30 (With Aghanim's: 12)
Mana: 60/90/120/150
Aghanim's upgrade: Reduces cooldown.
Does not pierce spell immunity. Attempts to deal damage if enemy turns spell immune before the pull ends.
Debuff modifier_dark_seer_vacuum: Dispellable with strong dispels.
Ish'Kafel modifies the center of gravity to a place of his choosing.


  • The pull duration always takes 0.3/0.4/0.5/0.6 seconds, no matter how far or close the units are from the center, so the speed varies.
  • The damage is applied upon losing the debuff, so that dispelling it causes it to happen earlier.
  • Affected units are fully disabled during the pull.
  • Can pull units over impassable terrain.
  • Vacuum destroys trees within 275 radius at the targeted point upon cast, after placing the debuff on enemies.

Ion Shell
Ion Shell icon.png
Surrounds the target unit with a bristling shield that damages enemy units in an area around it.
Cast Animation: 0.4+0.7
Cast Range: 600
Damage Radius: 250 (Talent 325)
Damage per Second: 24/46/68/90 (Talent 84/106/128/150)
Max Health Bonus: 0 (Talent 350)
Duration: 25
Cooldown: 9
Mana: 100/110/120/130
Partially pierces spell immunity. Can be cast on spell immune allies.
Cannot be cast on spell immune enemies. Shell persists if debuff was placed before spell immunity and when not dispelled.
Buff or Debuff, based on the target's alliance modifier_dark_seer_ion_shell: Dispellable with any dispel.
The Dark Seer slices holes into the 'Land Behind the Wall,' causing prismatic energy to seep forth.


  • The shell can be put on enemy and allied units, damaging only enemy units. The unit with the shell itself is not damaged.
  • Successive casts on the same unit do not stack, but refresh the duration and update the damage to the current level instead.
    • When two opposing heroes cast it on the same target, the modifier updates and starts damaging the enemies of the latest caster.
    • The modifier status, however, does not update. Whether it is treated as a buff or debuff is determined by the first cast, and not updated on refresh.
  • Deals 2.4/4.6/6.8/9 (Talent 8.4/10.6/12.8/15) damage in 0.1 second intervals, starting 0.1 seconds after the cast, resulting in 250 damage instances.
  • Can deal up to 600/1150/1700/2250 (Talent 2100/2650/3200/3750) damage to a single unit (before reductions), if it stays in range for the full duration.
  • Affects invisible units that go close to the shell wearer, however, the visual effects do not appear.
  • Choosing the damage upgrading talent immediately upgrades all of Dark Seer's currently active Ion Shell modifiers.
  • The health granting talent increases maximum health, keeping the current health percentage the same.

Surge icon.png
Charges a target friendly unit with power, giving it a brief burst of movement speed and removes unit collisions. Allows the unit to reach maximum movement speed and cannot be slowed.
Cast Animation: 0.4+0.57
Cast Range: 600
Radius: 0 (Talent 320)
Haste Speed: 550
Duration: 3/4/5/6
Cooldown: 19/16/13/10
Mana: 50
Buff modifier_dark_seer_surge: Dispellable with any dispel.
Ish'Kafel once used his speed of mind to navigate the maze between the walls.


  • Applies a haste on the target, meaning it cannot be slowed while affected.
  • Also grants the target phased movement while affected.
  • The talent turns Surge into an area-targeted spell, so that it cannot directly target units anymore.
    • Self-casting the ability still targets Dark Seer, centering the AoE around him.

Wall of Replica
Wall of Replica icon.png
Raises a wall of warping light that slows and creates replicas of any enemy hero who crosses it. Enemy replicas serve at the Dark Seer's will. Replicas last until they are destroyed, or until the wall's duration ends.
Cast Animation: 0.2+0.73
Cast Range: 1300
Number of Walls: 1 (Talent 2)
Wall Length: 1300 (Upgradable by Aghanim's Scepter. 2600)
Wall Width: 50
Parallel Wall Distance: 600
Movement Speed Slow: 50%/60%/70%
Illusion Damage Dealt: 70%/85%/100% (Talent 95%/110%/125%)
Illusion Damage Taken: 200%
Duration: 45
Slow Duration: 1
Cooldown: 100
Mana: 125/250/375
Aghanim's upgrade: Increases Wall length.
Partially pierces spell immunity. Creates illusions of spell immune enemies, but does not slow them.
Buff modifier_dark_seer_wall_of_replica: Undispellable. Persists death.
Buff modifier_darkseer_wallofreplica_illusion: Dispellable with death only.
Buff modifier_illusion: Dispellable with death only.
Buff modifier_invulnerable: Dispellable with death only.
Debuff modifier_dark_seer_wall_slow: Dispellable with any dispel.
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.


  • The values of the wall are set upon creation, and do not update upon leveling the spell further up after having placed the wall.
  • A wall can only create one illusion per player. There cannot be more than one illusion per player per wall.
    • This means when there are multiple walls up (with the talent, or with multiple casts), each wall can create an illusion for each enemy.
    • This also means that when an enemy has multiple heroes ( Divided We Stand and Tempest Double clones), they are still limited to one illusion per wall.
    • Even if the illusion gets Enchanted, the wall can still not create a new ilusion.
  • Only creates illusions of real heroes. Does not create illusions of illusions pathing through the wall.
    • Can create illusions of Divided We Stand and Tempest Double clones as well, but not of Wukong's Command clones.
    • Can create the illusions of invulnerable enemies, but not hidden ones. The slow, however, is not placed on invulnerable units.
  • Upon spawning, the illusions are automatically ordered to attack the heroes they are based on.
  • When the illusion dies, the wall can create a new illusion of that hero as soon as it comes in range.
  • Illusions created by Wall of Replica have a static 5 gold and experience bounty which does not scale with levels.
  • The illusions's duration is based on the remaining duration of the wall from which they originate.
  • The illusion spawns 108 range away from the hero if the hero has a collision size of 24, and 72 if the collision size is 8. It appears either north, east, south or west from the target.
  • Wall of Replica illusions are visually distinguishable for the enemies.
  • The slow is applied constantly within the wall's area. When walls overlap with each, their slows do not stack.
  • When choosing the parallel wall talent, a second wall is placed 600 range behind the cast location of first wall, parallel to it.


Hero Talents
320 AoE Surge25Parallel Wall
+60 Ion Shell Damage20+8 Armor
+25% Wall of Replica Illusion Damage15 Ion Shell Provides 350 Max Health
+60 Vacuum AoE10+75 Ion Shell Radius

Recent Changes[edit]

Main Article: Dark Seer/Changelogs
  • Surge
    • Now sets movement speed to a minimum of 550, instead of granting a flat 250 movement speed bonus. [?]
    • No longer removes the movement speed limit for the unit while active.
  • Talents:
Level 15 right talent: 400 Ion Shell max health bonus reduced to 350.
  • Increased base Agility attribute symbol.png agility from 12 to 18.
  • Reduced base armor from 3 to 2.
  • Vacuum
    • Increased damage from 50/100/150/200 to 100/150/200/250.
    • Reduced mana cost from 100/130/160/190 to 60/90/120/150.
    • Refined cooldown from 60/50/40/30 to 60.0/50.0/40.0/30.0.
  • Increased Wall of Replica slow linger duration from 0.75 to 1.
  • Talents:
Level 10 right talent changed: 10% evasion -> +75 Ion Shell radius.
Level 15 left talent changed: +100 Ion Shell radius -> +25% Wall of Replica illusion damage dealt.
Level 15 right talent changed: +10 health regen -> Ion Shell grants 400 max health
  • Talents:
Level 10 left talent changed: +100 Ion Shell radius -> +60 Vacuum radius.
Level 15 left talent changed: +60 Vacuum radius -> +100 Ion Shell radius.
Level 20 left talent: +65 Ion Shell damage per second reduced to +60.

Recommended items[edit]

Starting items:

Early game:

  • Magic Stick icon.png Magic Stick gives burst health and mana in a pinch.
  • Soul Ring icon.png Soul Ring covers most of your mana issues and allows you to constantly use Ion Shell in order to harass your lane opponents and get some last hits.
  • Boots of Speed icon.png Boots of Speed gives mobility for chasing or running away.
  • Infused Raindrops icon.png Infused Raindrops gives mana regeneration and absorbs some magical damage.

Mid game:

  • Magic Wand icon.png Magic Wand sustains health and mana in fights.
  • Helm of the Dominator icon.png Helm of the Dominator allows you to pull off Vacuum combos by yourself. Also, gives you an additional controllable unit to use Ion Shell on to fight or to push out waves.
  • Arcane Boots icon.png Arcane Boots increase your mana pool and allow you to restore your teammates' mana.
  • Mekansm icon.png Mekansm adds to Dark Seer's teamfight effectiveness and increases durability. Also his decent intelligence gain means he will generally have enough mana to use the heal.
  • Blink Dagger icon.png Blink Dagger can help you positioning to place a better vacuum wall combo.
  • Town Portal Scroll icon.png Town Portal Scroll allows you to be at any lane for a gank, countergank, or push in seconds.

Late game:

  • Guardian Greaves icon.png Guardian Greaves restores both health and mana to team; the health regeneration and armor aura works better on wounded allies.
  • Shiva's Guard icon.png Shiva's Guard grants you more punch to your Vacuum and Wall of Replica initiation, and gives you armor and intelligence.
  • Lotus Orb icon.png Lotus Orb removes debuffs from Dark Seer or an ally, as well as granting Echo Shell to reflect spells.

Situational items:

  • Force Staff icon.png Force Staff changes position of Dark Seer or any heroes.
  • Pipe of Insight icon.png Pipe of Insight grants you and your allies protection from magical damage.
  • Crimson Guard icon.png Crimson Guard can protect your team from physical attacks in teamfights.
  • Aghanim's Scepter icon.png Aghanim's Scepter allows more AoE crowd control with reduced Vaccum cooldown and the increased wall length zones out the enemy more.
  • Ghost Scepter icon.png Ghost Scepter should be considered to counter high physical damage dealers, ensuring your survival to use abilities.
  • Black King Bar icon.png Black King Bar guarantees your initiation with spell immunity to ward off almost all disables.
  • Scythe of Vyse icon.png Scythe of Vyse grants mana regeneration and Hex to completely nullify an enemy hero from using abilities or attacking.
  • Refresher Orb icon.png Refresher Orb allows you to use your abilities and items twice in a row if needed.
  • Radiance (Active) icon.png Radiance for dealing more magical damage combined with ion shell and 17% miss chance combined with your evasion.
  • Octarine Core icon.png Octarine Core will restore your health because of your AoE magical damage abilities and lower cooldowns for better influence in fight.


Roles: Initiator Initiator Jungler Jungler Escape Escape Disabler Disabler
Complexity: ★☆☆
Playstyle: In a final, calculated move, Ish'Kafel led his outnumbered army into a new world, sealing the path behind with a burst of dark energy. A cunning tactician, the Dark Seer manipulates gravity to pull foes into a Vacuum, 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 a Wall of Replica, sowing confusion amongst enemy ranks as an army of duplicates emerge to do battle against their own likenesses.





  • 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 minimap icon.png Beastmaster's and Clockwerk minimap icon.png 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.