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Known Bugs


Alchemist has two flasks in-game, but only one flask in the hero loadout
When looking at Alchemist in-game, he has a flask in both of his hands. But when looking at him in the hero loadout, he only has a flask in his left hand. As a comparison, all of Alchemist's cosmetic sets which come with flasks (except for one of them) have him holding flasks in both hand in the loadout and in-game.
8 March 2017

Alchemist's teleport animation does not loop
Alchemist's teleport animation does not loop, so that he switches back to his idle animation if the teleport lasts long enough. Instead of looping the animation consists of the same motion repeated a few times.

Other heroes with this issue are: Axe minimap icon.png Axe, Beastmaster minimap icon.png Beastmaster, Broodmother minimap icon.png Broodmother, Drow Ranger minimap icon.png Drow Ranger, Ember Spirit minimap icon.png Ember Spirit, Invoker minimap icon.png Invoker, Jakiro minimap icon.png Jakiro, Keeper of the Light minimap icon.png Keeper of the Light, Lifestealer minimap icon.png Lifestealer, Lone Druid minimap icon.png Lone Druid, Magnus minimap icon.png Magnus, Naga Siren minimap icon.png Naga Siren, Rubick minimap icon.png Rubick, Shadow Demon minimap icon.png Shadow Demon, Shadow Shaman minimap icon.png Shadow Shaman, Slardar minimap icon.png Slardar, Tinker minimap icon.png Tinker, Tusk minimap icon.png Tusk, Undying minimap icon.png Undying, Viper minimap icon.png Viper, Windranger minimap icon.png Windranger and Zeus minimap icon.png Zeus
24 September 2017

Aghanim's Scepter Synth[edit]

Illusions don't get the stats from Aghanim's Scepter given by Alchemist
When infusing an Aghanim's Scepter icon.png Aghanim's Scepter into an ally, illusions of that ally do not get the attributes, health and mana from the buff, so that their health/mana/stats do not match the original hero. They do copy the buff, but do not get any of its bonuses.
12 February 2017

Alchemist thanks himself upon consuming Aghanim's Scepter
Allies thank Alchemist when he infuses Aghanim's Scepter into them. But the response rules are set so that Alchemist's thanking lines trigger as well when he infuses Aghanim's Scepter into himself, instead of working like Healing Salve icon.png Healing Salve and Clarity icon.png Clarity, which only trigger when used on allies.
12 February 2017

The Synth buff's description shows the old health and mana values
Aghanim's Scepter's health bonus was reduced from 200 to 175 and mana bonus increased from 150 to 175. The description of the Synth buff still shows the old 200 health and 150 mana values.
21 February 2017

Unstable Concoction[edit]

Unstable Concoction is blocked and reflected by Linken's Spheres and Lotus Orbs of secondary targets
Unstable Concoction is not fully blocked when the primary target has Linken's Sphere icon.png Linken's Sphere, still applying its area effect. Furthermore, it is blocked individually by secondary targets within the area. It also is reflected by each Lotus Orb icon.png Lotus Orb Echo Shell within the area, so that Alchemist may get hit by multiple concoctions.
Its Linken's Sphere/Lotus Orb interaction is broken since the AoE targeting cursor was added to it.
12 February 2017

Unstable Concoction's projectile does not provide any vision
The projectile is supposed to have a 300 radius vision around itself, which should linger upon impact for a few seconds. But since the addition of its AoE targeting cursor, it no longer grants vision. In gameplay patch 7.00, its vision was acknowledged and even reduced, but its vision is still not applied.
12 February 2017

Reflecting an Unstable Concoction while brewing one cancels the brewing
When Alchemist brews an Unstable Concoction, the brewing gets canceled when he reflects an enemy Unstable Concoction with Lotus Orb icon.png Lotus Orb. Furthermore, the reflected concoction stuns and deals damage based on how long Alchemist was brewing his concoction until it got canceled, instead of being equal to how long the enemy brew their concoction.
12 February 2017

Recasting Unstable Concoction resets damage/stun of previous concoction
When throwing a concoction, and then starting to brew a new one before the thrown one impacts, makes the thrown one deal damage and stun based on how long the new concoction is brewing. The new cast interferes with the previous cast, instead of working independently.
12 February 2017

Unstable Concoction Throw uses the wrong AoE targeting cursor when selecting the spell while the cursor is on a valid target
Single targeted spells with an AoE effect have a special AoE indicator. This special indicator does not show up when the spell gets selected while the cursor is pointing on a valid target for the spell. Instead, the default AoE targeting cursor appears.
Following abilities are affected by this bug:
26 February 2017

Unstable Concoction is not properly canceled when Rubick loses the spell, causing several issues
On Rubick, Unstable Concoction is supposed to cancel (in other words, blow up on him) as soon as he loses the spell. It does blow up, however, the concoction is still brewing. The timer above his head does not disappear. When Rubick re-steals Unstable Concoction before the timer disappears, it blows up on him a second time (he cannot throw it), and then shuffles Rubick's ability positions in the HUD, which messes up their hotkeys.
12 February 2017

Unstable Concoction does not apply is area damage/stun when blowing up on Alchemist while invulnerable
When the concoction connects with the target enemy while the enemy is invulnerable or hidden, it still applies its area damage and stun to surrounding units. However, when it blows up on Alchemist while he is invulnerable or hidden, it does not apply the area damage and stun.
12 February 2017

Unstable Concoction cannot directly target creep-heroes, but does damage/stun them when within its area
When the concoction connects with the target enemy while the enemy is invulnerable or hidden, it still applies its area damage and stun to surrounding units. However, when it blows up on Alchemist while he is invulnerable or hidden, it does not apply the area damage and stun.
12 February 2017

Alchemist's Ogre is not animated during Chemical Rage Throw and is missing a Chemical Rage version of the animation
Unstsable Concoction Throw's animation has only Razzil animated. His ogre is frozen during the animation. Furthermore, the spell is missing a Chemical Rage version of the animation. When throwing the concoction during Chemical Rage, the ogre assumes the same frozen position as without Chemical Rage and his weapons move back to his back until thrown.
12 February 2017

Unstable Concoction brew sound cancels on previous cast projectile impact
When throwing a concoction and then starting to brew a new one before the previous cast's projectile hits its target, the brewing sound of the new cast immediately stops as soon as the previous projectile connects with its target.
12 February 2017

The +80 Unstable Concoction damage talent bonus is not shown in the ability's tooltip
The damage value of Unstable Concoction does not update upon choosing its damage boosting talent.
12 February 2017

Greevil's Greed[edit]

Greevil's Greed does not work against the Tempest Double
Greevil's Greed is supposed to work on any unit that grants a bounty and is not an illusion or a building. The Tempest Double, being a hero clone, therefore should proc Greevil's Greed.
12 February 2017

Chemical Rage[edit]

During Chemical Rage, the hero's attack animations do not randomise
Alchemist has 3 attack animations during Chemical Rage. However, they do not get randomised properly. Although the unit info does show them being randomised, only the first triggered attack animation plays over and over, until stopping the attack.
12 February 2017


Midsa Knuckles' and Razzil's Midas Knuckles' custom Greevil's Greed effect does not work
Both, the Midas Knuckles and Razzil's Midas Knuckles which are identical items, have a custom Greevil's Greed effect which does not work currently.
12 February 2017

The Convicts' Trophies is missing a flask in Alchemist's right hand
The Convicts' Trophies set's flask item puts a flask only in Alchemist's left hand. However, when compared to the default set and every other set he has, it should put a flask in both of his hands.
8 March 2017

Unstable Concoction's visual effect while brewing overlaps with the flasks of custom sets
Unstable Concoction's particle effect include a flask which looks like the default set's flasks. When having a cosmetic set equip which has its own custom flasks, the particl effects are not changed, so that default flask from the effect overlaps with the flask from the set.
8 March 2017