Alchemist/Counters

Bad against...

 * cancels out Chemical Rage's rapid health regeneration. It can also take advantage of Alchemist's toggling, as it will make HP drain insanely fast, essentially killing the bearer in no time.


 * means Alchemist will never win a trade in lane against Enchantress.
 * will force Alchemist out of the lane and force him to go somewhere else, making push strategies very viable.
 * can be used to take creeps from Alchemist's stacked jungle camps, lowering his overall gold input and is able to be used against him should the right creep be gotten.


 * - Invoker can win the mid lane easily against Alchemist because regeneration will nullify Acid Spray's damage over time and  damage bonus will allow Invoker to out last hit Alchemist.
 * Invoker scales well in the late game with heavy damage and control spells, with the biggest threat to Alchemist being and, as he has no easy way to dispel these without purchasing a.


 * will deal lots of damage to Alchemist before he builds physical survivability items.
 * and can control Alchemist at all stages of the game before he has Black King Bar.
 * 's rum buff will greatly reduce the Alchemist's damage output in teamfights including his Radiance.


 * is good against high health strength heroes such as Alchemist.
 * allows Lifestealer to not be targetable by Unstable Concoction, possibly making Alchemist stun himself.


 * allows Legion Commander to run at Alchemist for the majority of the laning stage unless his supports do very well to wield her off.
 * can be very fatal against Alchemist in the early and early mid game before he has crazy item progression and while Chemical Rage is on cooldown.
 * can save enemies against Unstable Concoction.


 * will put a swift end to the Alchemist before Chemical Rage has the time to heal him.
 * can prevent Alchemist from attacking Necrophos, as well as making him immune to Acid Spray and Unstable Concoction.
 * will do damage based on health percentage, which is a problem for strength heroes such as Alchemist.


 * followed by takes advantage of Alchemist's main weakness, which is physical damage before he has the change to improve his survivability with items.
 * will deal lots of damage during the laning phase.


 * allows Slark to not be targeted by Unstable Concoction, making Alchemist stun himself and making himself vulnerable to the enemy.
 * also allows him to purge the stun if timed correctly.
 * will steal stats over long durations at a time should Alchemist lack the damage to kill Slark.


 * Chemical Rage will rarely save Alchemist against Ursa's.
 * allows Ursa to both be a threat to Alchemist and avoid his over time damage.


 * Alchemist's reliance on fast attack speed to do single-target damage makes him vulnerable to . It also goes through, which is a standard item on Alchemist.
 * is great against high health strength heroes as it reduces their survivability to physical damage.
 * Razor has early lane push to counter.

Others

 * Heroes that can push can pressure Alchemist to defend or force his team into 4v5 fights early on:, , , , ,.
 * Heroes that don't care about Chemical Rage:, , ,.
 * Heroes who aren't afraid to fight later on in the game:, ,.
 * is a special mention as he can bully Alchemist out of mid lane quite easily, forcing him to either retreat into jungle, or stay harassed in lane, and get very few last hits.
 * can use and with the  upgrade can scale against Alchemist.
 * 's can be used to stop Alchemist from attacking and  can put Alchemist into an awkward position from aposing pushing.

Items

 * reduces Alchemist's physical survivability and his teammates.
 * does the same thing as Assault Cuirass but it also reduces the attack speed, reducing the effectiveness of Chemical Rage.
 * applies an undispellable disarm so Alchemist cannot attack during Chemical Rage, forcing him to activate Black King Bar beforehand.
 * disables Alchemist, making sure he won't be able to use his Chemical Rage to heal up, and allows heroes to burst him down fast.
 * reflects Unstable Concoction easily due to its long brewing time.

Good against...

 * Alchemist can easily farm Spiderlings with Acid Spray and Greevil's Greed.


 * Elder Titan lacks the damage to be a threat to Alchemist early on.
 * can be cancelled by Unstable Concoction.


 * Chemical Rage mitigates damage from.


 * Chemical Rage kills Phoenix very quickly in.


 * Spectre cannot gain items as quickly as Alchemist, allowing his team to fight much earlier than Spectre's team.
 * is usually used on squishy targets, Alchemist is not one of them later on in the game.
 * Alchemist builds items that nullifies the 1v1 threat that Spectre usually is, such as and.


 * allows Alchemist to safely farm in the laning stage under his tower, which is very unideal.


 * is simply a stun against Alchemist during the mid game.
 * Warlock has no tools to stop Alchemist's farming.


 * Wraith King likes to play the farming game and rely on to have a big impact, but Alchemist doesn't really care about that since he's going to be far ahead.

Others

 * Alchemist is good against heroes who cannot stop him from farming in the lane:, ,.
 * Heroes that want to go late game also are at a disadvantaged mid game:,.

Works well with...

 * and will dispel debuffs away.
 * combined with Chemical Rage may give you some serious sustainability.
 * is an AoE dispel, which will remove from enemies buffs like and also root them.

Others

 * Alchemist works well with any hero that benefits from, as he can farm it for them (most likely far more quickly) and also free up an inventory slot.

List of heroes that counter Alchemist, and list of heroes that work well with Alchemist.

Alchemist/Combinações Alchemist/Противостоящие 炼金术士/克制