Unstable Concoction gives Alchemist a long stun, and Corrosive Weaponry stacks blunt the damage of whoever he hits. The brew timer is visible to enemies and the potion explodes on him if held too long, so spell immunity timed to the throw wastes the stun.
Counter items
Black King BarSpell immunity makes Unstable Concoction and Acid Spray ineffective.
Heaven's HalberdDisarm stops the attacks that apply Corrosive Weaponry stacks.
Checked for patch 7.41f
Matchup data updated Nov 14, 2026
TierC·Score change+0.20
Who Beats Alchemist
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HeroWin %AdvMatches
Who beats Alchemist at All Ranks
Legion Commander
58.4%+7.31,292
vs Alchemist1,292 games+7.3
Ancient Apparition
59.2%+6.9610
vs Alchemist610 games+6.9
Spirit Breaker
57.5%+6.51,373
vs Alchemist1,373 games+6.5
Wraith King
57.3%+6.21,093
vs Alchemist1,093 games+6.2
Troll Warlord
61.1%+5.9229
vs Alchemist229 games+5.9
Invoker
56.7%+5.91,426
vs Alchemist1,426 games+5.9
Phantom Lancer
57.1%+5.6778
vs Alchemist778 games+5.6
Juggernaut
56.3%+5.61,514
vs Alchemist1,514 games+5.6
Spectre
57.3%+5.5634
vs Alchemist634 games+5.5
Vengeful Spirit
56.8%+5.2657
vs Alchemist657 games+5.2
Alchemist Counters
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HeroWin %AdvMatches
Alchemist counters at All Ranks
Medusa
37.7%-6.0191
vs Alchemist191 games-6.0
Shadow Fiend
45.3%-3.5614
vs Alchemist614 games-3.5
Beastmaster
43.1%-2.7130
vs Alchemist130 games-2.7
Nature's Prophet
46.5%-2.7671
vs Alchemist671 games-2.7
Monkey King
46.7%-2.3433
vs Alchemist433 games-2.3
Centaur Warrunner
46.7%-2.1349
vs Alchemist349 games-2.1
Broodmother
44.7%-2.0123
vs Alchemist123 games-2.0
Bane
45.9%-2.0185
vs Alchemist185 games-2.0
Terrorblade
46.5%-1.9228
vs Alchemist228 games-1.9
Tusk
47.6%-1.6399
vs Alchemist399 games-1.6
Top Allies for Alchemist
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HeroWin %SynergyMatches
Top allies for Alchemist at All Ranks
Riki
53.6%+3.6336
Meepo
53.5%+3.5101
Lich
53.3%+3.3638
Batrider
53.3%+3.360
Outworld Destroyer
53.0%+3.0771
Mirana
52.1%+2.1672
Chaos Knight
51.5%+1.5227
Juggernaut
51.2%+1.21,196
Wraith King
51.2%+1.2752
Phantom Lancer
51.1%+1.1666
Positions Played
Positions: patch 7.41f
1 Carry47.5% WR184,978 matches
2 Mid49.2% WR116,223 matches
3 Off46.4% WR158,587 matches
4 Soft48.5% WR111,737 matches
5 Hard48.2% WR63,917 matches
Matchup data updated Nov 14, 2026
TierB·Score change+0.25
Who Beats Alchemist
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HeroWin %AdvMatches
Who beats Alchemist at Herald–Guardian
Legion Commander
63.4%+4.8112
vs Alchemist112 games+4.8
Skywrath Mage
62.7%+4.7118
vs Alchemist118 games+4.7
Ancient Apparition
69.1%+4.155
vs Alchemist55 games+4.1
Riki
67.3%+3.755
vs Alchemist55 games+3.7
Phantom Lancer
64.3%+3.770
vs Alchemist70 games+3.7
Sniper
56.3%+2.9174
vs Alchemist174 games+2.9
Ogre Magi
56.5%+2.9161
vs Alchemist161 games+2.9
Necrophos
58.0%+2.488
vs Alchemist88 games+2.4
Crystal Maiden
56.0%+2.4134
vs Alchemist134 games+2.4
Invoker
57.1%+2.291
vs Alchemist91 games+2.2
Alchemist Counters
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HeroWin %AdvMatches
Alchemist counters at Herald–Guardian
Magnus
Few games32.4%-2.737
vs Alchemist37 games-2.7
Anti-Mage
40.3%-2.672
vs Alchemist72 games-2.6
Undying
41.7%-2.272
vs Alchemist72 games-2.2
Shadow Fiend
41.0%-2.161
vs Alchemist61 games-2.1
Hoodwink
42.9%-2.077
vs Alchemist77 games-2.0
Bane
Few games31.8%-1.822
vs Alchemist22 games-1.8
Zeus
44.0%-1.884
vs Alchemist84 games-1.8
Medusa
Few games36.7%-1.730
vs Alchemist30 games-1.7
Venomancer
42.9%-1.763
vs Alchemist63 games-1.7
Lich
43.8%-1.773
vs Alchemist73 games-1.7
Top Allies for Alchemist
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HeroWin %SynergyMatches
Top allies for Alchemist at Herald–Guardian
Lycan
Few games83.3%+33.36
Chen
Few games80.0%+30.05
Brewmaster
Few games75.0%+25.04
Razor
Few games70.0%+20.030
Doom
Few games69.2%+19.213
Primal Beast
Few games68.8%+18.816
Centaur Warrunner
Few games66.7%+16.718
Timbersaw
Few games66.7%+16.715
Bloodseeker
Few games65.7%+15.735
Riki
Few games65.6%+15.632
Positions Played
Positions: patch 7.41f
1 Carry49.1% WR24,437 matches
2 Mid51.6% WR12,678 matches
3 Off47.7% WR25,603 matches
4 Soft49.5% WR12,814 matches
5 Hard47.9% WR8,430 matches
Matchup data updated Nov 14, 2026
TierC·Score change-0.29
Who Beats Alchemist
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HeroWin %AdvMatches
Who beats Alchemist at Crusader–Archon
Spirit Breaker
60.5%+7.6534
vs Alchemist534 games+7.6
Legion Commander
59.9%+7.2524
vs Alchemist524 games+7.2
Lifestealer
59.6%+6.1344
vs Alchemist344 games+6.1
Pudge
57.0%+5.6788
vs Alchemist788 games+5.6
Lich
59.1%+5.3281
vs Alchemist281 games+5.3
Wraith King
57.6%+5.2439
vs Alchemist439 games+5.2
Witch Doctor
56.8%+5.0572
vs Alchemist572 games+5.0
Undying
57.8%+4.9332
vs Alchemist332 games+4.9
Chaos Knight
61.0%+4.5141
vs Alchemist141 games+4.5
Juggernaut
55.7%+4.2564
vs Alchemist564 games+4.2
Alchemist Counters
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HeroWin %AdvMatches
Alchemist counters at Crusader–Archon
Medusa
36.7%-3.879
vs Alchemist79 games-3.8
Gyrocopter
41.0%-3.7139
vs Alchemist139 games-3.7
Ringmaster
40.2%-3.3102
vs Alchemist102 games-3.3
Weaver
42.7%-3.2157
vs Alchemist157 games-3.2
Terrorblade
40.0%-3.190
vs Alchemist90 games-3.1
Nature's Prophet
45.1%-2.9295
vs Alchemist295 games-2.9
Tinker
42.3%-2.6104
vs Alchemist104 games-2.6
Broodmother
37.7%-2.653
vs Alchemist53 games-2.6
Enigma
41.9%-2.693
vs Alchemist93 games-2.6
Bane
41.6%-2.377
vs Alchemist77 games-2.3
Top Allies for Alchemist
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HeroWin %SynergyMatches
Top allies for Alchemist at Crusader–Archon
Mars
59.3%+9.359
Riki
59.1%+9.1115
Shadow Demon
Few games58.8%+8.834
Visage
Few games56.5%+6.523
Omniknight
Few games56.1%+6.141
Chaos Knight
55.0%+5.0100
Pangolier
53.8%+3.852
Bloodseeker
53.4%+3.473
Monkey King
53.3%+3.3120
Lich
53.2%+3.2205
Positions Played
Positions: patch 7.41f
1 Carry47.6% WR81,114 matches
2 Mid49.8% WR48,001 matches
3 Off46.5% WR76,860 matches
4 Soft49.2% WR46,659 matches
5 Hard49.0% WR23,590 matches
Matchup data updated Nov 14, 2026
TierC·Score change+0.40
Who Beats Alchemist
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HeroWin %AdvMatches
Who beats Alchemist at Legend–Ancient
Ancient Apparition
63.4%+7.6265
vs Alchemist265 games+7.6
Vengeful Spirit
60.1%+5.9276
vs Alchemist276 games+5.9
Anti-Mage
57.8%+5.8583
vs Alchemist583 games+5.8
Shadow Shaman
58.0%+5.7509
vs Alchemist509 games+5.7
Dragon Knight
57.7%+5.4459
vs Alchemist459 games+5.4
Night Stalker
59.0%+5.2273
vs Alchemist273 games+5.2
Dawnbreaker
58.4%+5.1315
vs Alchemist315 games+5.1
Juggernaut
56.6%+5.1671
vs Alchemist671 games+5.1
Troll Warlord
66.3%+5.089
vs Alchemist89 games+5.0
Phantom Assassin
57.6%+5.0377
vs Alchemist377 games+5.0
Alchemist Counters
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HeroWin %AdvMatches
Alchemist counters at Legend–Ancient
Monkey King
44.7%-2.5179
vs Alchemist179 games-2.5
Medusa
40.8%-2.471
vs Alchemist71 games-2.4
Void Spirit
44.0%-2.3125
vs Alchemist125 games-2.3
Kunkka
45.3%-2.2172
vs Alchemist172 games-2.2
Bristleback
44.4%-2.2126
vs Alchemist126 games-2.2
Nature's Prophet
46.9%-1.7256
vs Alchemist256 games-1.7
Shadow Fiend
47.2%-1.6267
vs Alchemist267 games-1.6
Dark Seer
46.0%-1.4113
vs Alchemist113 games-1.4
Lina
47.9%-1.4413
vs Alchemist413 games-1.4
Beastmaster
43.1%-1.451
vs Alchemist51 games-1.4
Top Allies for Alchemist
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HeroWin %SynergyMatches
Top allies for Alchemist at Legend–Ancient
Leshrac
59.2%+9.276
Beastmaster
Few games57.1%+7.149
Medusa
55.7%+5.761
Naga Siren
Few games55.6%+5.618
Meepo
Few games53.7%+3.741
Void Spirit
53.6%+3.697
Outworld Destroyer
53.5%+3.5340
Gyrocopter
53.0%+3.0151
Elder Titan
Few games52.6%+2.619
Mirana
52.3%+2.3308
Positions Played
Positions: patch 7.41f
1 Carry46.6% WR59,829 matches
2 Mid47.6% WR43,716 matches
3 Off45.5% WR43,188 matches
4 Soft47.5% WR35,709 matches
5 Hard48.4% WR19,985 matches
Matchup data updated Nov 14, 2026
TierB·Score change+1.75
Who Beats Alchemist
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HeroWin %AdvMatches
Who beats Alchemist at Divine–Immortal
Invoker
63.3%+6.6199
vs Alchemist199 games+6.6
Disruptor
63.5%+4.496
vs Alchemist96 games+4.4
Juggernaut
60.0%+4.3150
vs Alchemist150 games+4.3
Legion Commander
62.3%+4.3106
vs Alchemist106 games+4.3
Slark
60.3%+4.2136
vs Alchemist136 games+4.2
Wraith King
65.7%+4.170
vs Alchemist70 games+4.1
Timbersaw
62.3%+3.477
vs Alchemist77 games+3.4
Mirana
61.4%+3.383
vs Alchemist83 games+3.3
Night Stalker
61.4%+3.070
vs Alchemist70 games+3.0
Magnus
56.9%+2.6123
vs Alchemist123 games+2.6
Alchemist Counters
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HeroWin %AdvMatches
Alchemist counters at Divine–Immortal
Tusk
36.7%-3.160
vs Alchemist60 games-3.1
Lion
43.7%-2.9167
vs Alchemist167 games-2.9
Shadow Fiend
37.0%-2.854
vs Alchemist54 games-2.8
Ember Spirit
41.0%-2.683
vs Alchemist83 games-2.6
Centaur Warrunner
Few games30.0%-2.630
vs Alchemist30 games-2.6
Warlock
Few games31.0%-2.429
vs Alchemist29 games-2.4
Snapfire
42.7%-2.496
vs Alchemist96 games-2.4
Silencer
40.7%-2.054
vs Alchemist54 games-2.0
Earth Spirit
40.7%-2.054
vs Alchemist54 games-2.0
Drow Ranger
43.2%-2.081
vs Alchemist81 games-2.0
Top Allies for Alchemist
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HeroWin %SynergyMatches
Top allies for Alchemist at Divine–Immortal
Chen
Few games75.0%+25.04
Largo
Few games71.4%+21.414
Lich
67.2%+17.264
Batrider
Few games66.7%+16.73
Oracle
Few games66.7%+16.745
Riki
Few games63.6%+13.633
Clinkz
Few games63.6%+13.611
Dazzle
Few games63.0%+13.027
Phantom Assassin
Few games62.5%+12.524
Broodmother
Few games62.5%+12.58
Positions Played
Positions: patch 7.41f
1 Carry46.7% WR11,808 matches
2 Mid47.2% WR7,728 matches
3 Off44.6% WR5,327 matches
4 Soft46.0% WR6,221 matches
5 Hard44.9% WR4,464 matches
Bracket Divergence
Matchup data updated Nov 14, 2026
Riki only ranks as a top counter to Alchemist in Herald–Guardian.
Disruptor only ranks as a top counter to Alchemist in Divine–Immortal.
Skywrath Mage only ranks as a top counter to Alchemist in Herald–Guardian.
Timbersaw only ranks as a top counter to Alchemist in Divine–Immortal.
Mirana only ranks as a top counter to Alchemist in Divine–Immortal.
About Alchemist
Legion Commander is Alchemist's strongest counter, with a +8.40 raw advantage.
Alchemist is most contested in Herald–Guardian and least contested in All Ranks.
Riki only shows up as a top counter to Alchemist in Herald–Guardian.
Riki is Alchemist's strongest ally, with a +3.60 raw synergy advantage.