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Silencer icon.png
Strength attribute symbol.png
17 + 2.5
Agility attribute symbol.png
22 + 3
Intelligence attribute symbol.png
27 + 2.5
Level Base 1 15 25
Health 200 540 1240 1740
H. regen amp 0% 12.14% 37.14% 55%
Mana 75 399 819 1119
M. regen amp 0% 54% 124% 174%
Armor -1 2.67 9.67 14.67
Spell dmg 0% 1.93% 4.43% 6.21%
Att/sec 0.59 0.72 0.96 1.14
Damage 16‒30 43‒57 78‒92 103‒117
Magic res. 25% 28.04% 31.98% 34.79%
Base health regen 1.5
Base mana regen 0.9
Movement speed 295
Turn rate 0.6
Vision range 1800/800
Attack range 600
Projectile speed 1000
Attack animation 0.5+0.5
Base attack time 1.7
Collision size 24
Legs 2

Nortrom, the Silencer, is a ranged intelligence hero who can be played as a support, carry, or initiator. He is one of the few intelligence heroes that truly benefit from intelligence items and is effective against heroes that rely mostly on spells, as he can silence them while stealing their intelligence and adding it to his own. He is a notorious anti-caster hero who can disrupt the magical abilities of his enemies and cripple spellcasters throughout the game. Arcane Curse slows and causes enemies to lose health for a set duration, but increases with each spell the enemy casts, forcing them to either wait and cast no spell until it expires, or cast spells and prolong the debuff and thus take more damage. Last Word places a curse on Nortrom's target that damages and silences for a long duration if the target casts a spell. If the target does not cast a spell before the curse duration ends the effects are the same. Glaives of Wisdom is an active attack modifier that deals a percentage of Nortrom's intelligence as pure damage. Nortrom's ultimate, Global Silence, silences all enemy units on the map for a few seconds. A well-timed Global Silence can be used to save yourself or an ally, initiate a teamfight, or ruin the enemy's initiation.

Silencer has the unique innate ability, Intelligence Steal, which permanently steals the intelligence of enemy heroes that die near him or are directly killed by him and adds it to his own. This rewards his presence in teamfights, also making his glaives ever stronger as the battle goes on.


Silencer Nortrom, the Silencer
Play "Enemies should be seen and not heard."
Part of the seventh and final generation of a carefully designed pedigree, Nortrom was bred by the ancient order of the Aeol Drias to be the greatest magic user the world had ever seen. He was the prophesied one, the culmination of two-hundred years of careful pairings, a war-mage who would bring glory to the order, and destruction to their sworn enemies, The Knights of the Fold. Raised with other young mages in a hidden cantonment among the hills of the Hazhadal barrens, the order's preceptors waited for Nortrom’s abilities to manifest. While the other students honed their talents with fire, or ice, or incantatory spells, Nortrom sat silent and talentless, unable to cast so much as a hex. As the day of final testing approached, he still hadn’t found his magic. In disgust, the preceptors berated him, while the children laughed. “You are no mage,” the head of the order declared. Still, Nortrom did not slink away. He entered the day of testing and faced down the young mages who had mocked him. And then his preceptors learned a valuable lesson: a lack of magic can be the greatest magic of all. Nortrom silenced the young mages one by one and defeated them in single combat, until he alone stood as champion of the Aeol Drias, in fulfillment of the prophecy.


Intelligence Steal
Cannot be used by illusions. Not disabled by Break.
Glaives of Wisdom icon.png
Enemy Heroes / Self
Silencer will permanently steal 2 intelligence from any enemy hero that dies within 925 range or is killed by the Silencer.
Steal Radius: 925
Stolen Intelligence: 2 (Talent 4)
Cannot be used by illusions. Illusions cannot steal intelligence.
Although the status buff is copied by illusions, the stolen intelligence is not copied.
Buff Int Steal: Undispellable.


  • This is an innate ability and does not need to be skilled. It is not bound to any ability, but to Silencer himself.
  • Stolen intelligence is directly removed from the enemy's base intelligence and added to Silencer's base intelligence.
  • Can only steal from base intelligence + intelligence gained from levels. Bonus intelligence cannot be stolen.
  • It does not matter how an enemy hero within the radius dies, Silencer always steals its intelligence.
  • Silencer also always steals intelligence when he deals the killing blow on an enemy hero, regardless of distance.
    • However, Silencer needs to be alive as the kill happens to steal the intelligence.
  • Cannot steal intelligence from illusions or hero clones.
    • When Silencer kills a Meepo Meepo clone however, he does steal intelligence, since killing a Meepo clone also kills the main Meepo.
  • Cannot reduce enemy base intelligence below 1. Silencer also does not gain intelligence from heroes that are at 1 intelligence.
    • The status buff, however, increases by 2 on every kill or nearby death.
  • Enemy heroes effectively lose 24 (Talent 48) mana, 4% (Talent 8%) mana regen amplification and 0.14% (Talent 0.29%) spell damage.
    • Enemy intelligence heroes also effectively lose 0.3% (Talent 0.6%) magic resistance and 2 (Talent 4) attack damage.
    • Vice versa, effectively increases Silencer's mana, mana regen amplification, spell damage, magic resistance and attack damage by the same amount per stack.

Arcane Curse
Does not pierce spell immunity. Play
Arcane Curse icon.png
Curses the target area, causing enemy heroes to take damage and slowing their movement speed. Anytime affected enemies cast a spell, the duration is increased.
Cast Animation: 0.3+0.37
Cast Range: 1000
Radius: 425
Damage per Second: 14/22/30/38 (Talent 44/52/60/68)
Move Speed Slow: 9%/12%/15%/18%
Base Duration: 6
Penalty Duration: 4
Cooldown symbol.png 20/18/16/14
Mana symbol.png 75/95/115/135
Does not pierce spell immunity. Slow persists and attempts to damage if debuff was placed before spell immunity and when not dispelled.
Debuff Curse Of The Silent: Dispellable with any dispel.
Nortrom's lack of incantations is less of a problem for him than it is for his adversaries.


  • Whenever an affected unit casts a spell, the duration is increased by 4. This effect has no stack limit.
  • If an affected unit gets silenced, the duration and the damage are paused until the silence expires.
    • However, the slow is not paused while silenced and still slows affected enemies.
  • Successive casts of Arcane Curse fully stack, always placing an independent debuff.
  • Deals damage in 1 second intervals, starting 1 second after the debuff is applied, resulting in 6 (+4 per penalty) instances.
  • Can deal up to 84/132/180/228 (+56/88/120/152 per penalty) (Talent 264/312/360/408, +176/208/240/272 per penalty) damage to a single unit (before reductions).
  • The sound effect played on every damage instance is only audible to the affected unit's player.

Glaives of Wisdom
Cannot be used by illusions. Can be disjointed. Not blocked by Linken's Sphere. Partially pierces spell immunity. Play
Glaives of Wisdom icon.png
Silencer enchants his glaives with his wisdom, dealing additional damage based on his Intelligence.
Cast Range: 600 (Talent 725)
Intelligence as Damage: 15%/30%/45%/60% (Talent 35%/50%/65%/80%)
Damage Multiplier Against Silenced: 1 (Upgradable by Aghanim's Scepter. 2)
Cooldown symbol.png 0
Mana symbol.png 15
Upgradable by Aghanim's Scepter. Causes Glaives to pierce Spell Immunity and deal 100% more damage against silenced units.
Partially pierces spell immunity. Cannot be cast on spell immune enemies.
Can be cast on spell immune enemies when upgraded.
Although lacking in traditional incantations, Nortrom's pedigree of the Aeol Drias gives him uncanny wisdom, which he applies to physical combat.


  • Glaives of Wisdom deal their damage in a separate damage instance. So they are unaffected by any attack modifying effect.
  • Glaives of Wisdom deal their damage before the attack damage is applied, but still depend on the attack hitting the target.
  • Checks Silencer's intelligence as the projectile hits. Gaining/losing intelligence while the projectile is travelling does affect its damage.
  • When having Aghanim's Scepter icon.png Aghanim's Scepter, the glaives deal 30%/60%/90%/120% (Talent 70%/100%/130%/160%) of Silencer's intelligence as damage against silenced targets.

Last Word
Blocked by Linken's Sphere. Does not pierce spell immunity. Play
Last Word icon.png
Enchants a target, causing them to be damaged and silenced if they cast a spell or if the enchantment timer expires.
Cast Animation: 0.3+0.47
Cast Range: 900
Initial Debuff Duration: 4
Damage: 150/200/250/300
Silence Duration: 3/4/5/6
Cooldown symbol.png 30/24/18/12
Mana symbol.png 115
Does not pierce spell immunity. Does not attempt to damage or silence if initial debuff was placed before spell immunity and when not dispelled. Silence persists if silence debuff was placed before spell immunity and when not dispelled.
Debuff Last Word: Dispellable with any dispel.
Debuff Last Word Disarm: Dispellable with any dispel.
Debuff Silence: Dispellable with any dispel.
Nortrom ensures that spells uttered by his opponents will be their last.


  • When the target casts a spell during the initial debuff, it gets damaged, then silenced, and then the cast spell goes off.
    • Since the spell counts as cast, the silence does not prevent it from happening. Although the silence happens first, the spell's effects are already queued up.
    • However death does stop the spell, meaning when the damage from Last Word is enough to kill the target, the cast spell does not go off.
    • This also means that damage negating spells like Refraction icon.png Refraction and spells that provide spell immunity do not block its damage.
  • Does not trigger on toggle abilities, active attack modifiers and the abilities listed here.
    • Triggers on channeling spells, but waits for the channeling to stop first.
    • Last Word does trigger on Phase Shift icon.png Phase Shift. However, it only applies its effects when Phase Shift is canceled manually.
    • When Recall icon.png Recall is cast while having the debuff on, it freezes and does not trigger until another spell is cast.
  • When the initial debuff expires, it still damages and silences the target.
  • The curse first applies the debuffs, then the damage.
  • Grants shared vision as long as the 4 second initial debuff is on.
  • The Last Word Disarm debuff, although no longer serving a purpose, is still applied and visible in the HUD.

Global Silence
Pierces spell immunity. Play
Global Silence icon.png
No Target
Silencer stops all sound, preventing enemy heroes and units on the map from casting spells.
Cast Animation: 0.3+0.37
Radius: Global
Duration: 4/5/6 (Talent 6/7/8)
Cooldown symbol.png 130
Mana symbol.png 250/375/500
Debuff Global Silence: Dispellable with any dispel.
With a shock to the ground, all magic and sound pauses, and Nortrom fulfills his prophecy.


  • The sound effect of Global Silence which plays on each enemy's hero has the highest sound priority in the game.
    • This means it heavily tones down other game sounds for enemies, making it basically the only sound they can hear during the silence.


Hero Talents
+2s Global Silence icon.png Global Silence 25 +20% Glaives of Wisdom icon.png Glaives of Wisdom Damage
+30 Arcane Curse icon.png Arcane Curse Damage 20 +125 Attack Range
+2 Glaives of Wisdom icon.png Intelligence Steal 15 +90 Gold/Min
+25 Attack Speed 10 +5 Armor

Recommended items[edit]

Starting items:

  • One each of Tango icon.png Tango and Healing Salve icon.png Healing Salve are minimum regen requirements to stay in lane without being harassed out. As a support, Silencer can also share the benefits of this regen with his carry.
  • As he is reliant on casting spells, Clarity icon.png Clarity is very important for allowing Silencer to harass enemies with his spells as needed.
  • Choice of early stat items varies depending on Silencer's role and position. In the midlane, Null Talisman icon.png Null Talisman provides the most damage for securing last hits and denies, while a Bracer icon.png Bracer aims for the defensive, giving an extra 80 starting hp over Null Talisman, and can be preferable if planning to build Drum of Endurance icon.png Drum of Endurance or Rod of Atos icon.png Rod of Atos. Side laning support Silencers Generally purchase a Wind Lace icon.png Wind Lace and support items instead of additional stats.

Early Game items:

  • Town Portal Scroll icon.png Town Portal Scroll is especially important for Silencer to carry early, as he benefits greatly from getting quickly to fights to steal early intelligence.
  • Magic Wand icon.png Magic Wand has all the benefits of Magic Stick, along with providing stats and greater charge storage. As Silencer is quite vulnerable to enemy attacks even as a carry, burst HP regen is always helpful.
  • Bottle (Full) icon.png Bottle can be beneficial on Silencer if he is played as a mid hero or a roaming support, as every rune can be used to improve his ganks, and the regen also allows him to avoid needing to return to base.
  • Boots of Speed icon.png Boots of Speed are mandatory on almost all heroes. In Silencer's case, being able to get close enough to cast his spells is important, as he can potentially get kills or assists to proc Intelligence Steal.
  • Wind Lace icon.png Wind Lace is useful if playing support for a small move speed boost if starting gold is spent on support items. Additionally, it can be further built into Eul's Scepter of Divinity icon.png Eul's Scepter of Divinity.
  • Power Treads icon.png Power Treads are important for providing Silencer with stats, particularly strength to give him more HP, no matter if he's a carry or support. The ability to switch attributes can help with spell casting or damage output, and the attack speed is highly beneficial when playing as a carry.
  • Force Staff icon.png Force Staff is important on Silencer whether he is played as a carry or support. The Forced Movement can be used on himself or a teammate as an escape mechanism or him to close the distance upon a fleeing enemy, or can be used to push an enemy out of position. Also, it allows a nice build up to Hurricane Pike icon.png Hurricane Pike, improving his attack range and allowing him to finish off an opponent with four glaives at long range.
  • Orchid Malevolence icon.png Orchid Malevolence is a powerful item to build on a carry Silencer, synergizing with all of his spells. Orchid is the only item which gives a large amount of int, mana regeneration, attack speed, and attack damage in one spot, and they're all things Silencer needs if he wants to be an effective carry.
    • Arcane Curse's duration pauses when silenced, so a third source of silences increases the effectiveness of this spell, and increases the likelihood of being able to apply a second curse, before the first wears off.
    • Glaives of Wisdom get more damage and more attack speed, plus Orchid's active will amplify all the damage done during it's duration. Additionally, in combination with Aghanim's Scepter icon.png Aghanim's Scepter, this item increases the length of time Nortrom can gain the bonus damage to silenced targets.
    • Last word's biggest weakness is the 4 second delay before damage and silence is inflicted, allowing ganked targets to cast an escape spell. By using Soul Burn, then Last word, the delay duration becomes a benefit, as it provides True Sight over the target for the full duration, and continues into a total of 11 seconds of silence without using Silencer's ultimate.
    • Finally, if evasion significantly reduces the damage Glaives are doing, he can upgrade to a Bloodthorn icon.png Bloodthorn.
  • Aghanim's Scepter icon.png Aghanim's Scepter greatly improves Glaives of Wisdom, allowing him to deal his full damage potential even against Magic Immune targets, as well as Doubling the Pure damage of his Glaives when he strikes silenced targets. The item itself also grants Silencer many beneficial stats across the board, giving him more survivability overall.
  • Most of the time, Support silencer will either purchase Tranquil Boots (Active) icon.png Tranquil Boots for the bonus movespeed and regen, or Arcane Boots icon.png Arcane Boots to provide the team with a source of mana and eventually build Guardian Greaves icon.png Guardian Greaves.
  • Force Staff icon.png Force Staff is important on Silencer whether he is played as a carry or support. The Forced Movement can be used on himself or a teammate as an escape mechanism or him to close the distance upon a fleeing enemy, or can be used to push an enemy out of position.
  • Eul's Scepter of Divinity icon.png Eul's Scepter of Divinity is a very powerful utility item, particularly on a support Silencer. The increased movement speed and mana regen allows Silencer to be more active on the map, while Cyclone can disable enemies, remove debuffs from yourself and make yourself temporarily invulnerable.

Situational items:

  • Rod of Atos icon.png Rod of Atos is an inexpensive utility item that provides both Intelligence and HP, and is great for Silencer if he needs an early disable. The Root is great for catching enemies out of position, or holding them in place so that you can retreat to a safe distance.
  • Mekansm icon.png Mekansm is a defensive support item that gives Silencer the ability to assist teammates more in teamfights, as it gives him regen, stats and armor alongside the healing active ability.
  • Drum of Endurance icon.png Drum of Endurance is a strong offensive support item, increasing the power of early pushes as well as improving his ability to chase ganked enemies.
  • Scythe of Vyse icon.png Scythe of Vyse provides a strong disable, The stats it provides are very beneficial, giving him more intelligence and HP as well as powerful mana regen to sustain his spells. It is a strong lategame item to build whether as a support or carry.
  • Shiva's Guard icon.png Shiva's Guard greatly increases Silencer's survivability against physical damage while also granting him more intelligence to fuel his spells and attacks, making it a powerful carry item. The slow can also be used to chase down fleeing enemies more easily.
  • Eul's Scepter of Divinity icon.png Eul's Scepter of Divinity is a very powerful utility item, particularly on a support Silencer. The increased movement speed and mana regen allows Silencer to be more active on the map, while Cyclone can disable enemies, remove debuffs from yourself and make yourself temporarily invulnerable.
  • Black King Bar icon.png Black King Bar greatly increases Silencer's survivability, particularly as a carry. It gives him more HP and right-click damage, and the spell immunity prevents him from being disabled before he can cast his spells to disable the enemy instead.
  • When played as a support, Silencer should carry at least some of the support duties. This means assisting the team's other supports in purchasing the Animal Courier (Radiant) icon.png Animal Courier, starting Observer Ward icon.png Observer Ward, and so on.
  • Blink Dagger icon.png Blink Dagger is a powerful mobility tool, no matter what role Silencer is played in. As a support he can easily position himself to cast his disables on the enemy, as well as use it to evade enemy ganks. As a carry, it gives him strong positioning, allowing him to move quickly into a fight to attack after disabling the enemy with his ultimate. Or to simply blink in to steal intelligence from dying enemy Heroes.
  • Ghost Scepter icon.png Ghost Scepter is highly beneficial on a support Silencer, who does not rely on his right-clicks in order to be effective. Becoming immune to physical damage allows Silencer to get his spells off more easily, and buys him time if the enemy's carry jumps on him. This can be upgraded to Ethereal Blade icon.png Ethereal Blade which gives him agility for more attack speed and armor, and if Silencer has stolen a substantial amount of intelligence, Silencer can easily nuke down weakened or low-leveled Heroes with its active Ether Blast. And if Ether Blast is used in tandem with a Dagon 1 icon.png Dagon Silencer further increases his killing power, provided he has stolen plenty of intelligence.
  • Heaven's Halberd icon.png Heaven's Halberd is a powerful survivability item that can either be used for utility on a support Silencer or more staying power as a carry Silencer. The extra HP and evasion give Silencer more survivability against physical damage, and the active can be used to disarm a target on top of silences, rendering enemies completely unable to do anything.
  • Mjollnir icon.png Mjollnir is a situational weapon to build on a carry Silencer. The vastly increased attack speed allows Silencer to output a lot of damage with his physical attacks, and the shield can be used on himself to deal out even more physical damage or on a highly durable ally who can tank on the front lines.
  • Refresher Orb icon.png Refresher Orb can be a powerful utility item to purchase on a support Silencer if the enemy is mostly reliant on their usage of spells in a fight. The ability to inflict up to 12 seconds of silence to the enemy in a teamfight, through spell immunity and invulnerability, can prevent them from retaliating effectively against your team, securing a victory.


Roles: Carry Carry Support Support Disabler Disabler Initiator Initiator Nuker Nuker


Playstyle: Two hundred years of selective breeding had produced Nortrom, the prophesied war-mage that would bring glory to the order of Aeol Drias. Therefore, disgust and disappointment followed when it was found that the boy could cast not even a hex. Yet, on the day of final testing, Nortrom would have the Last Word. His arranged opponents fell under an Arcane Curse, draining their health with each incantation made. Then, there was Global Silence. Not a gasp or whisper escaped their lips as Nortrom finished off each challenger with his multipronged Glaives of Wisdom. At that moment, it became clear to all watching: The absence of magic can be the greatest magic of all.





  • Unlike most heroes, Silencer's attack projectiles actually use the model of his equipped cosmetic weapon.
  • Like Death Prophet Death Prophet, Omniknight Omniknight and Io Io, Silencer received a color palette change, changing his model and icons, having his former red armor replaced with violet.
    • Before his palette change, newer players would occasionally mistake Silencer for Dragon Knight Dragon Knight, and he would sometimes be referred to as "The other Dragon Knight". Even after the palette swap, some older players may refer to him as "Purple Dragon Knight".
  • Silencer's spell sound effects are based on some of his voice lines. Arcane Curse debuff sounds is based on "Play Curse you!", Last Word is based on one of his laughing lines and Global Silence is based on Play this.
  • Chen Chen is a member of the Knights of the Fold which would make him an enemy to Silencer based on Silencer's background. Despite this, there is no dialogue between the two heroes.


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