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Radiant Hero
Base Stats
Base HP Regen
Base Mana Regen
Sight Range
Attack Range
Missile Speed
Attack Duration
Cast Duration
Base Attack Speed
Base Attack Time
Base Magic Resist
Turn Rate
Level Changes
Most Played As

Alchemist Razzil Darkbrew, the Alchemist[edit]

Recommended Roles
Carry Support Durable Disabler Initiator Nuker

The sacred science of Chymistry was a Darkbrew family tradition, but no Darkbrew had ever shown the kind of creativity, ambition, and recklessness of young Razzil. However, when adulthood came calling he pushed aside the family trade to try his hand at manufacturing gold through Alchemy. In an act of audacity befitting his reputation, Razzil announced he would transmute an entire mountain into gold. Following two decades of research and spending and preparation, he failed spectacularly, quickly finding himself imprisoned for the widespread destruction his experiment wrought. Yet Razzil was never one to take a setback lightly, and sought escape to continue his research. When his new cellmate turned out to be a fierce ogre, he found just the opportunity he needed. After convincing the ogre not to eat him, Razzil set about carefully concocting a tincture for it to drink, made from the moulds and mosses growing in the prison stone work. In a week's time, it seemed ready. When the ogre drank the potion, it flew into an unstoppable berserker rage, destroying the cell bars and exploding through walls and guards alike. They soon found themselves lost somewhere in the forest surrounding the city with a trail of wreckage in their wake and no signs of pursuit. In the tonic's afterglow, the ogre seemed serene, happy, and even eager. Resolving to work together, the pair set off to collect the materials needed to attempt Razzil's Alchemic transmutation once more.


Acid Spray
Point Target
Enemy Units
Damage Type
Sprays highly volatile acid across the target area. Enemy units within the contaminated area take damage per second and have their armor reduced.
Damage Per Second15 / 20 / 25 / 30
Armor Reduction4 / 5 / 6 / 7
Radius475 / 525 / 575 / 625
Cast Range900
Cast Point0.2
130 / 140 / 150 / 160
Does not pierce Spell Immunity.
Using traditional Alchemy from the Darkbrew family, Razzil concocts an acid that dissolves even the toughest metals.
  • Total damage:
    • 240 / 320 / 400 / 480
Unstable Concoction
No Target
Damage Type
Alchemist brews up an unstable concoction that he can throw at an enemy hero, to stun and deal damage. The longer the concoction brews, the more damage it deals and the longer the target is stunned. After a few seconds, the brew reaches its maximum damage and stun time. If not thrown after that point, the concoction will explode on Alchemist himself.
Maximum Stun1.75 / 2.5 / 3.25 / 4
Maximum Damage160 / 240 / 320 / 400
Max Power Brew Time5
Self-Destruct Brew Time5.5
Stun/Damage Radius250
Cast Range775
Cast Point0
22 / 20 / 18 / 16
     16 / 14 / 12 / 10
Does not pierce Spell Immunity.
Blocked by all Linkens/echoed by all Lotus in the area of effect.
Cannot be disjointed.
A silver lining to the failure of turning a mountain into gold, this volatile solution has destructive potential.
  • Alchemist can move, attack, cast spells, and use items while the concoction is brewing.
  • The concoction effect still explodes around Alchemist when self-destructing.
  • Alchemist can deny himself with this ability if the concoction explodes on himself.
  • The concoction is thrown at 900 movement speed and provides 300 flying vision.
  • The brewing countdown can also be seen by enemies.
Sub Ability
Unstable Concoction Throw
Unit Target
Enemy Heroes
Throw the Unstable Concoction before it blows up.
Cast Point0.2
Greevil's Greed
Alchemist gets bonus gold for killing creeps, heroes, and wards. The bonus stacks if another target is killed within the stack duration timer. If a kill is made, the duration refreshes. If no kill is made in time, the stacks are lost. Also provides bonus Bounty rune gold.
Base Bonus Gold3
Bonus Gold Per Stack3
Bonus Gold Cap18 / 22 / 26 / 30
Stack Duration40
Rune Bounty1.5 / 2 / 2.5 / 3×
Disabled by break.
While it is not a mountain, Razzil has mastered the conversion of smaller compounds to line his pockets.
  • Triggers on every last hit Alchemist makes. Excludes last hits on:
  • The Bounty Rune multiplier only affects the amount of gold Alchemist gains. Allies still gain the default value.
  • Bonus gold earned is unreliable gold.
Ultimate Ability
Chemical Rage
No Target
Alchemist causes his Ogre to enter a chemically induced rage, reducing base attack time, increasing movement speed, and increasing base regeneration of hit points and mana points.
Base Attack Time1.2 / 1.1 / 1
Bonus HP Regen50 / 75 / 100
Base Movement Speed335 / 345 / 355
Cast Point0
50 / 100 / 150
Illusions created during Chemical Rage get a new Chemical Rage buff which lasts its full duration, regardless of how much was left on Alchemist himself.
The brew Razzil gave to the Ogre during their prison bust has become a useful potion in the midst of combat.
  • Has a 0.35 second transformation time which provides invulnerability. During this short time projectiles and stuns can be disjointed.
  • Alchemist's ogre turns purple and wields his swords for the duration of the buff.
  • Dispels Alchemist on cast.

Aghanim's Scepter Ability[edit]

Aghanim's Scepter Synth
Unit Target
Allied Heroes
Allows Alchemist to cast Aghanim's Scepter on allied heroes to directly grant Aghanim's Blessing. The buff does not grant the item's stat bonuses, but does grant all the effects of Ultimate Upgrade permanently. The scepter is consumed in the process.
Alchemist can also target himself, gaining damage and spell amp bonuses based on how many scepters he has given.
Cast Range600
Bonus Damage30
Bonus Spell Amp6%
This spell is granted directly by the scepter.
  • Can grant Aghanim's Blessing once per allied hero.
  • Cannot grant Aghanim's Blessing to a hero that already acquired it through either purchasing it or picking it up from a Roshan drop.
  • Transfers the net worth of the scepter to the hero, as if they had purchased a scepter.
  • Alchemist's personal bonuses stack up to 5 times, for a max of:
    • 150 Bonus Damage
    • 30% Bonus Spell Amp

Talent Ability[edit]

Enemy Units
Damage Type
Alchemist's attacks strike down multiple targets. Radius expands forward in a cone shape.
Cleave Damage40%
Radius150 ➜ 360
  • A visual effect moves across the cleave area, showing its shape.

Talent Tree[edit]

Talent Tree
+50 Chemical Rage Chemical Rage Regeneration 25 +50 Chemical Rage Chemical Rage Movement Speed
+400 Unstable Concoction Unstable Concoction Damage 20 +30% Cleave
+20 Damage 15 +350 Health
-6s Unstable Concoction Unstable Concoction Cooldown 10 +15 Attack Speed

Recommended Items[edit]

Starting Items Early Game
Healing Salve
Iron Branch
Boots of Speed
Helm of Iron Will
Iron Branch
Stout Shield
Poor Mans Shield
Mid Game Late Game
Armlet of Mordiggian
Boots of Travel
Manta Style
Octarine Core

General Strategy[edit]

Synthesizing extra resources from each and every kill, Alchemist has no trouble gathering the tools needed to destroy his foes. Ambushing enemies with corrosive acid and a host of unstable chemicals, he battles to ensure his greedy escapades can remain uninterrupted.
Alchemist (In-Game Description)


Alchemist can play a proactive role as a ganker or as an end-game carry depending on how he is built skill and item-wise. Alchemist can farm thanks to his ultimate's regeneration as well as Acid Spray, or gank in combination with Unstable Concoction and Acid Spray. Regardless, his ability to earn gold incredibly fast with Greevil's Greed is his the reason he has such fluidity.

Skill Build


In general, there is more than one way to build Alchemist. Most builds however always involve Greevil's Greed at the start in order to get the gold bonus on the first rune. Acid Spray is a great spell for laning and farming, so it is the most common to max first. If there is more early game team fighting than usual, Unstable Concoction will maxed sooner instead of Greevil's Greed. If Alchemist is simply free farming however, he can get by with just 1 in Unstable Concoction while clearing stacks of creeps with additional Greevil's Greed gold.

Early Game

When under a free farm scenario (e.g. supported vs an offlane solo), there are 2 ways to build him. The first is Acid + Greed. You generally will go for BF for this build. The idea is to farm farm farm farm farm farm until 6 slots (exaggeration here). Alternatively, players might go for Midas + SB and it's still perfectly fine. Either way, all you will be doing is to farm all game and carry in the end. How the game goes is entirely in your team's hands, and not yours (since you cannot contribute if they lose the early game and you have no room to farm).

The second way is Stun + Greed. Item choice is usually Midas + SB. Sometimes Midas is skipped entirely. This build usually gets you a 10-minute SB. With maxed Concoction and SB, you generally can solo kill many of heroes. This includes the enemy carry. The high damage nuke + 4s worth of cling cling clang clang is enough to deal considerable damage. It also allows you to initiate in ganks. Your role of course is still to farm and farm. The difference is that the enemy cannot farm in peace anymore. That aspect buys you even more space to outfarm and outcarry the game.

Mid Game

You will often face a common dual lane in lower level pubs or even pubs in general. In that case you usually will have a jungler and a support on your side. Try your best at last hitting, your quota will be very different from the free farming one obviously. Get as many last hits as you can and make sure your jungler either stack pulls or the support stacks and the jungler then pulls or ganks the lane from time to time to help you get the space you need to farm some of your core items up.

This is essential to make Alchemist or in general any carry effective in the midgame.

Late Game

Finish getting all your items, becoming 6 slotted by utilizing Alchemist's enhanced farming abilities. Once you're finished farming your items, you can buy and cast the Aghanim's Scepter to permanently buff your allies.

Version History[edit]

Version Balance Changes
  • Buff Unstable Concoction radius increased from 200 to 250
  • Buff Level 20 Talent increased from +350 Unstable Concoction to +400
  • Buff Level 25 Talent increased from +40 Chemical Rage Regen to +50
  • Nerf Level 10 Talent reduced from +20 Attack Speed to +15
  • Buff Level 10 Talent increased from -5.5s Unstable Concoction Cooldown to -6s
  • Nerf Level 15 Talent reduced from +25 Damage to +20
  • Buff Level 15 Talent increased from +325 Health to +350
  • Buff Level 20 Talent increased from +325 Unstable Concoction Damage to +350
  • Nerf Talents reduced by ~20%
  • Nerf Greevil's Greed cap reduced from 20/24/28/32 to 18/22/26/30
  • Nerf Greevil's Greed Base gold bonus reduced from 4 to 3
  • Nerf Greevil's Greed Bounty Rune multiplier reduced from 2/2.5/3/3.5 to 1.5/2/2.5/3
  • Buff
  • Buff Agility gain increased from 1.2 to 1.5
  • Buff Level 25 Talent increased from +30 Chemical Rage Regen to +50
  • Rework Level 25 Talent changed from -0.15 Chemical Rage Base Attack Time to +60 Chemical Rage Movement Speed
  • Nerf Greevil's Greed gold bonus per stack reduced from 4 to 3
  • Nerf Chemical Rage no longer provides mana regeneration
  • Nerf Level 15 Talent reduced from +50 Damage to +30
  • Nerf Level 25 Talent reduced from -0.2 Chemical Rage Base Attack Time to -0.15
  • Buff Added Scepter upgrade:
    • With Scepter equipped or synthesized, you gain bonuses
    • Alchemist gets +30 Damage and +6% Spell Amp for each Scepter given to allies
  • Buff Acid Spray radius increased from 400/475/550/625 to 475/525/575/625
  • Buff Base movement speed increased from 295 to 305
  • Buff Base agility increased from 16 to 22
  • Buff Strength gain increased from 2.1 to 2.4
  • Buff Chemical Rage base attack time improved from 1.3/1.15/1 to 1.2/1.1/1
  • Nerf Level 10 Talent reduced from -8s Unstable Concoction to -7s
  • Nerf Level 20 Talent Concoction talent now adds the damage to the max instead of the base
  • Nerf Acid Spray no longer pierces spell immunity
  • Buff Chemical Rage health regen bonus increased from 40/55/70 to 50/75/100
  • Buff Chemical Rage mana regen bonus increased from 3/7.5/12 to 4/10/16
  • Buff Level 20 Talent increased from +30% Cleave to +40%
  • Nerf Greevil's Greed bounty rune multiplier rescaled from 3.5× to 2/2.5/3/3.5×
  • Buff Greevil's Greed Gold Bonus Cap increased from 16/20/24/28 to 20/24/28/32
  • Buff Greevil's Greed Stack Duration increased from 30 to 40
  • Buff Chemical Rage now applies a basic dispel on cast
  • Buff Greevil's Greed bounty rune multiplier increased from 3 to 3.5
  • Buff Chemical Rage Health regen increased from 40/48/56 to 40/55/70
  • Buff Bounty Rune bonus gold increased from 2.5× to 3×
  • Nerf Base movement speed reduced from 295 to 290
  • Nerf Base armor reduced from 0 to -1
  • Buff Level 20 Talent increased from +25% Cleave to +30%
  • Buff Chemical Rage base attack time improved from 1.4/1.2/1 to 1.3/1.15/1
  • Buff Level 10 Talent increased from -5s Unstable Concoction Cooldown to -8s
  • Buff Level 15 Talent increased from +350 Health to +400
  • Buff Level 20 Talent increased from +360 Unstable Concoction to +400
  • Buff Unstable Concoction damage increased from 150/220/290/360 to 160/240/320/400
  • Rework Level 10 Talent changed from +5 Armor to -5s Unstable Concoction Cooldown
  • Buff Level 15 Talent increased from +250 Health to +350 Health
  • Buff Level 20 Talent increased from +200 Unstable Concoction Damage to +360
  • Rework Level 25 Talent changed from -8s Unstable Concoction Cooldown to +30 Chemical Rage Regeneration
  • Nerf Chemical Rage HP regen rescaled from 50/75/100 to 40/48/56
  • Rework Reworked Talent Tree
  • Buff Base agility increased from 11 to 16
  • Buff Greevil's Greed Bounty Rune multiplier increased from 2× to 2.5×
  • Buff Chemical Rage movement speed increased from 30/40/60 to 40/50/60
  • Buff Level 15 Talent increased from +80 Unstable Concoction Damage to +100
  • Nerf Unstable Concoction cooldown increased from 16 to 22/20/18/16
  • Buff Unstable Concoction AoE increased from 175 to 200
  • Nerf Greevil's Greed base bonus gold reduced from 6/8/10/12 to 4
  • Buff Greevil's Greed bonus per stack increased from 3 to 4
  • Nerf Greevil's Greed bonus cap rescaled from 12/20/28/36 to 16/20/24/28
  • Nerf Acid Spray radius rescaled from 625 to 400/475/550/625
  • Nerf Chemical Rage cooldown increased from 45 to 55
  • Rework Level 15 Talent from +15 Movement Speed to +80 Unstable Concoction Damage
  • Buff Level 25 Talent from -4 Acid Spray Armor to -5
  • Nerf Greevil's Greed Bounty Rune multiplier rescaled from 3/4/5/6× to a constant 2×
  • New Added Talent Tree
  • Nerf Greevil's Greed no longer benefits illusions
  • Nerf Greevil's Greed Bounty Rune multiplier rescaled from 5× to 3/4/5/6×
  • Bug Fix Fixed Greevil's Greed granting full gold during Buyback gold penalty phase
  • Buff Acid Spray damage increased from 12/16/20/24 to 15/20/25/30
  • Buff Greevil's Greed Bounty Rune bonus increased from 4× to 5×
  • Nerf Unstable Concoction countdown can now be seen by enemies
  • Buff Unstable Concoction now has an area targeting cursor
  • Buff Greevil's Greed now grants 4× gold bounty from Runes
  • Buff Alchemist can now cast Aghanim's Scepter
    • Directly grants an allied hero their Aghanim's Scepter bonus as a permanent buff
  • Buff Greevil's Greed base bonus gold increased from 4/6/8/10 to 6/8/10/12
  • Buff Greevil's Greed extra bonus gold per stack from 1/2/3/4 to 3
  • Buff Greevil's Greed max bonus gold from 30 to 12/20/28/36
  • Buff Greevil's Greed recent kill window duration increased from 25 to 30
  • Buff Acid Spray negative armor increased from 3/4/5/6 to 4/5/6/7
  • Buff Acid Spray damage type from Composite to Physical (still pierces Spell Immunity)
  • Nerf Acid Spray damage reduced from 14/20/26/32 to 12/16/20/24
  • Nerf Night vision reduced from 1400 to 800
  • Nerf Unstable Concoction maximum shaking duration reduced from 7 to 5.5
  • Nerf Unstable Concoction no longer continues to get stronger while it is in the air
  • Nerf Chemical Rage no longer provides 250/500/750 bonus HP
  • Buff Chemical Rage HP regen increased from 15/30/60 to 50/75/100
  • Nerf Chemical Rage bonus HP reduced from 300/600/900 to 250/500/750
  • Buff Unstable Concoction now explodes around you if you are killed while charging it up
  • Buff Goblin's Greed cap increased from 26 to 30
  • Buff Acid Spray damage per second increased from 8/16/24/32 to 14/20/26/32
  • Buff Acid Spray mana cost from 160 to 130/140/150/160
  • Buff Chemical Rage base attack time decreased from 1.45/1.3/1.15 to 1.4/1.2/1
  • Buff Goblin's Greed counter duration increased from 20 to 25 seconds
  • Buff Goblin's Greed bonus gold scaling adjusted from 2/4/6/8 + 2 to 4/6/8/10 + 1/2/3/4
  • Buff Unstable Concoction max damage increased from 130/200/270/340 to 150/220/290/360
  • Buff Unstable Concoction no longer displays the countdown numbers to enemies
  • Buff Unstable Concoction always affects a 175 area around anywhere it explodes
    • This includes when it explodes on Alchemist
  • Buff Unstable Concoction max damage increased from 120/180/240/300 to 130/200/270/340
  • Buff Armor increased from -1 to 0
  • Buff Goblin's Greed bonus gold limit increased from 18 to 26
  • Buff Chemical Rage base attack time reduced from 1.45/1.35/1.2 to 1.45/1.3/1.15
  • Nerf Chemical Rage bonus HP from 350/700/1050 to 300/600/900
  • Nerf Movement speed reduced from 300 to 295
  • Nerf Unstable Concoction stun duration rescaled from 2.5/3/3.5/4 to 1.75/2.5/3.25/4
  • Nerf Unstable Concoction mana cost from 90 to 120
  • Nerf Unstable Concoction damage rescaled from 150/200/250/300 to 120/180/240/300
  • Playable in Competitive Added to Captains Mode
  • Rework Reworked Unstable Concoction
  • Removed Removed from Captains Mode
  • Nerf Scaled the movement bonus on Chemical Rage from 60 to 30/40/60
  • Buff Acid Spray cast range increased from 625 to 900
  • Buff Base intelligence increased from 17 to 25
  • Buff Intelligence gain increased from 1 to 1.8
  • Buff Improved Chemical Rage values
  • Buff Acid Spray duration increased from 12 to 16
  • Buff Base movement speed increased from 290 to 300
  • Buff Acid Spray AoE and cast range increased from 550 to 625
  • Buff Changed level 3 Chemical Rage base attack time from 1.25 to 1.2
  • Buff Unstable Concoction cast range increased from 600/650/700/750 to 650/750/850/950
  • Buff Unstable Concoction damage increased from 100/150/200/250 to 120/180/240/300
  • Buff Chemical Rage health regen increased from 10/30/60 to 15/30/60
  • Nerf Strength gain decreased from 2.4 to 1.8
  • Nerf Intelligence gain decreased from 1.5 to 1
  • Nerf Movement speed reduced from 300 to 290
  • Nerf Base armor reduced from 1 to -1
  • Nerf Acid Spray AoE decreased from 700 to 550
  • Nerf Acid Spray mana cost increased from 120 to 160
  • Buff Unstable Concoction now provides 500 radius ground vision of the target while channeling
  • Nerf Greed stack duration decreased from 20 to 18
  • Nerf Greed gold cap decreased from 20 to 18
  • Buff Chemical Rage now grants 0/5/10 movement speed
  • Nerf Chemical Rage health regen reduced from 15/30/60 to 10/30/60
  • Buff Unstable Concoction now deals 100/150/200/250 damage
  • Buff Base movement speed increased from 290 to 300
  • Rework Rebalanced Alchemist
  • Nerf Nerfed Chemical Rage base attack time from 1.45/1.2/0.95 to 1.4/1.3/1.15
  • Nerf Reduced damage on Acid Spray from 10/20/30/40 to 8/16/24/32
  • Nerf Reduced armor reduction on Acid Spray from 4/5/6/8 to 4/5/6/7
  • Nerf Increased Acid Spray cooldown from 20 to 22
  • Nerf Reduced the max gold Greed can stack from 36 to 20
  • Nerf Base damage nerfed from 32-41 to 28-37
  • New New Hero

Ability History[edit]

Notable Players[edit]


See also[edit]

External links[edit]