Alchemist
Historical Balance Tracker & Intelligence
Balance History
6/22/2026
No hero-specific updates in this patch.
5/6/2026
Greevil's Greed: Bonus base/max Extra Gold per melted Scepter decreased from +6 to +3
Acid Spray: Cooldown rescaled from 22/21/20/19s to 21s
Chemical Rage: Bonus Health Regen decreased from 60/90/120 to 50/85/120
4/7/2026
Base Agility decreased from 22 to 19
Talents: Level 10 Talent +1 Acid Spray Armor Reduction replaced with +1% Corrosive Weaponry Slow / Damage Reduction Per Stack
Talents: Level 15 Talent +1% Corrosive Weaponry Slow / Damage Reduction Per Stack replaced with +1 Acid Spray Armor Reduction
3/27/2026
Base movement speed decreased from 295 to 290
Greevil's Greed: Max Bonus Gold Per Kill decreased from 18 to 16
Greevil's Greed: Bonus Damage per Scepter decreased from +25 to +15
3/24/2026
Greevil's Greed: Aghanim's Scepter now also increases Base Bonus Gold and Max Bonus Gold per kill by 6 per melted Aghanim's Scepter
Corrosive Weaponry: Movement Slow per stack increased from 2/2.5/3/3.5% to 2.5/3/3.5/4%
Corrosive Weaponry: Base Attack Damage Reduction per stack increased from 2/2.5/3/3.5% to 2.5/3/3.5/4%
Talents: Level 10 Talent Unstable Concoction Radius increased from +125 to +150
Talents: Level 15 Talent Damage per Greevil's Greed stack increased from +2.5 to +3
Talents: Level 15 Talent Acid Spray grants armor to allies replaced with +1% Corrosive Weaponry Slow/Damage Reduction Per Stack
1/22/2026
No hero-specific updates in this patch.
12/23/2025
No hero-specific updates in this patch.
12/16/2025
Acid Spray: Mana Cost increased from 105/110/115/120 to 120
Talents: Level 15 Talent Damage per Greevil's Greed stack increased from +2 to +2.5
10/2/2025
No hero-specific updates in this patch.
6/12/2026
No hero-specific updates in this patch.
6/24/2025
No hero-specific updates in this patch.
5/29/2025
No hero-specific updates in this patch.
6/12/2026
Corrosive Weaponry: Max Stacks decreased from 10/12/14/16 to 7/10/13/16
Corrosive Weaponry: Movement Slow per stack increased from 1.5/2/2.5/3% to 2/2.5/3/3.5%
Corrosive Weaponry: Base Attack Damage Reduction per stack increased from 1.5/2/2.5/3% to 2/2.5/3/3.5%
3/27/2025
Corrosive Weaponry: Unstable Concoction stack count per second of brew time now rounds up to the nearest second (minimum 1 stack)
3/4/2025
Greevil's Greed: Gifting Aghanim's Scepters no longer provides Spell Amplification
Patch 7.38Net Gain
2/19/2025Aghanim's Scepter granting moved from Chemical Rage to Greevil's Greed
Greevil's Greed: Aghanim's Scepter granting range increased from 600 to Global
Greevil's Greed: Aghanim's Scepter granting is now announced to all allies and spectators
Acid Spray: Radius decreased from 400/475/550/625 to 350/400/450/500
Acid Spray: Now applies 1 Corrosive Weaponry stack with each tick of damage
Unstable Concoction: Now applies 1 Corrosive Weaponry stack per second of brew time
Corrosive Weaponry: Stacks are also applied when enemies take damage from Alchemist's spells. Acid Spray applies 1 stack per second. Unstable Concoction applies 1 stack per second of brew time
Corrosive Weaponry: Stacks per attack increased from 1 to 2
Corrosive Weaponry: Max Stacks increased from 4/6/8/10 to 10/12/14/16
Corrosive Weaponry: Movement Slow per stack decreased from 4/5/6/7% to 1.5/2/2.5/3%
Corrosive Weaponry: Base Attack Damage Reduction per stack decreased from 3/4/5/6% to 1.5/2/2.5/3%
Chemical Rage: Bonus Move Speed decreased from 30/45/60 to 20/30/40
11/20/2024
Acid Spray: Mana Cost rescaled from 110 to 105/110/115/120
Unstable Concoction: Cooldown increased from 15s to 17s
10/3/2024
No hero-specific updates in this patch.
8/28/2024
No hero-specific updates in this patch.
8/14/2024
Greevil's Greed: Recent Kill Window increased from 36s to 40s
Berserk Potion: Duration increased from 10s to 15s
7/31/2024
No hero-specific updates in this patch.
6/25/2024
No hero-specific updates in this patch.
6/6/2024
No hero-specific updates in this patch.
5/27/2024
No hero-specific updates in this patch.
5/23/2024
Base Attack Speed increased from 100 to 110
Corrosive Weaponry: No longer reduces Status Resistance by 3/4/5/6% per stack
Corrosive Weaponry: Now reduces Base Attack Damage by 3/4/5/6% per stack
Corrosive Weaponry: Stats are no longer multiplied during Chemical Rage
Chemical Rage: Bonus Health Regen increased from 50/80/110 to 60/90/120
3/21/2024
No hero-specific updates in this patch.
2/22/2024
No hero-specific updates in this patch.
12/21/2023
Corrosive Weaponry: Movement Slow per stack increased from 3/4/5/6% to 4/5/6/7%
6/12/2026
Acid Spray: Mana Cost decreased from 120 to 110
Corrosive Weaponry: Debuff Duration increased from 3.5s to 4s
11/21/2023
No hero-specific updates in this patch.
10/5/2023
No hero-specific updates in this patch.
9/9/2023
No hero-specific updates in this patch.
Patch 7.34bNet Gain
8/15/2023Base Armor increased by 1
Chemical Rage: Bonus Move Speed increased from 20/40/60 to 30/45/60
8/8/2023
Corrosive Weaponry: Max Stacks decreased from 5/7/9/11 to 4/6/8/10
Corrosive Weaponry: Movement Slow and Status Resistance Reduction per stack is now increased by 1.5% whenever Alchemist is in Chemical Rage
7/13/2023
No hero-specific updates in this patch.
6/16/2023
No hero-specific updates in this patch.
5/14/2023
Base Movement Speed decreased from 300 to 295
Unstable Concoction: Cooldown increased from 13s to 15s
Greevil's Greed: Base Bonus Gold decreased from +3 to +2
Greevil's Greed: Extra Bonus Gold decreased from +3 to +2
Chemical Rage: Bonus Movement Speed decreased from 40/50/60 to 20/40/60
Talents: Level 15 Talent Damage per Greevil's Greed stack decreased from +3 to +2
4/26/2023
Base Movement Speed reduced from 305 to 300
Acid Spray: Radius decreased from 475/525/575/625 to 400/475/550/625
Acid Spray: Armor reduction reduced from 4/5/6/7 to 3/4/5/6
Patch 7.33Net Gain
6/13/2026Acid Spray: Cast Point improved from 0.2s to 0.1s
Acid Spray: Cooldown decreased from 22s to 22/21/20/19s
Acid Spray: Mana Cost decreased from 130 to 120
Acid Spray: Duration decreased from 16s to 15s
Acid Spray: Damage per second increased from 20/25/30/35 to 25/30/35/40
Unstable Concoction: Max Stun Duration decreased from 2.2/2.8/3.4/4s to 1.7/2.2/2.7/3.2s
Greevil's Greed: Now an innate ability
Greevil's Greed: Max Bonus Gold per kill rescaled from 15/18/21/24 to 18
Greevil's Greed: Bounty Rune Multiplier rescaled from 1.8/2.2/2.6/3 to 2
Corrosive Weaponry: New basic passive ability
Corrosive Weaponry: Attacks apply a stacking debuff on enemies that reduces movement speed by 3/4/5/6% and status resistance by 3/4/5/6% per stack. Applying a new stack refreshes the duration. Has no effect on buildings or Roshan. Max Stacks: 5/7/9/11. Debuff Duration: 3.5s
Chemical Rage: Bonus Health Regen increased from 50/75/100 to 50/80/110
Talents: Level 15 Talent Damage per Greevil's Greed stack increased from +1.5 to +3