Heimerdinger Patch History
Every buff and nerf, with the numbers, 3.8 to 26.19
Heimerdinger has been touched in 26 of the 308 patches tracked here, across 91 individual values: 47 moved in their favour, 43 against. Most recent change: patch 26.3.
26Patches touched
91Values changed
47Buffed
43Nerfed
26.3Last change
The abilities Riot keeps touching
StatsBase stats
Health, attack damage, armour, magic resist, movement speed, attack range and their per-level growth.
STATS
Base stats
10 changed6▲ 4▼
PHextech Affinity
Gain Move Speed while near allied towers and turrets deployed by Heimerdinger.
P
Hextech Affinity
0 changed0▲ 0▼
QH-28 G Evolution Turret
Heimerdinger lays down a rapid-fire cannon turret equipped with a secondary pass-through beam attack (turrets deal half damage to towers).
Q
H-28 G Evolution Turret
32 changed18▲ 14▼
WHextech Micro-Rockets
Heimerdinger fires long-range rockets that converge on his cursor.
W
Hextech Micro-Rockets
23 changed11▲ 12▼
ECH-2 Electron Storm Grenade
Heimerdinger lobs a grenade at a location, dealing damage to enemy units, as well as stunning anyone directly hit and slowing surrounding units.
E
CH-2 Electron Storm Grenade
8 changed5▲ 2▼
RUPGRADE!!!
Heimerdinger invents an upgrade, causing his next spell to have increased effects.
R
UPGRADE!!!
18 changed7▲ 11▼
Every change, newest first
Patch 26.3buffFebruary 3, 2026
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP per level | 101 | → | ▲ 105 4% | ||
| W | Base Damage | 40/65/90/115/140 | → | ▲ 50/75/100/125/150 11% | |
| W | Total Base Damage | 80/125/170/215/260 | → | ▲ 90/135/180/225/270 6% |
Patch 25.19buffSeptember 23, 2025
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Total Base Damage | 80/115/150/185/220 | → | ▲ 80/125/170/215/260 13% |
Patch 25.15nerfJuly 29, 2025
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Total Base Damage | 90/135/180/225/270 | → | ▼ 80/115/150/185/220 17% |
Patch 13.22November 9, 2023 · Read the 13.22 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Attack speed Class-wide | 0.625 | → | ▲ 0.658 5% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Turret Health End Value | 700 | → | ▼ 640 9% | |
| Q | Turret Health Start Value | 175 | → | ▼ 130 26% | |
| W | Base Damage | 50/75/100/125/150 | → | ▼ 40/65/90/115/140 10% | |
| W | Damage Coefficient | 0.45 | → | ▲ 0.55 22% | |
| W | Total Damage Coefficient | 0.93 | → | ▲ 1.03 11% |
Patch 12.12buffJune 22, 2022
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Base Damage | 6/9/12/15/18 | → | ▲ 7/11/15/19/23 25% | |
| Q | Turret Health End Value | 575 | → | ▲ 700 22% | |
| Q | Turret Health Start Value | 150 | → | ▲ 175 17% | |
| E | Cooldown | 12/12/12/12/12 | → | ▲ 11/11/11/11/11 8% |
Patch 12.10
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Armor per level Class-wide | 3 | → | ▲ 4.2 40% | ||
| Base HP Class-wide | 488 | → | ▲ 558 14% | ||
| HP per level Class-wide | 87 | → | ▲ 101 16% | ||
| MR per level Class-wide | 0.5 | → | ▲ 1.3 160% |
Patch 11.9nerfApril 27, 2021
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Base Damage | 50/80/110/140/170 | → | ▼ 50/75/100/125/150 9% | |
| W | Extra Hit Base Damage | 10/16/22/28/34 | → | ▼ 10/15/20/25/30 9% | |
| W | Total Base Damage | 90/144/198/252/306 | → | ▼ 90/135/180/225/270 9% |
Patch 11.1January 5, 2021 · Read the 11.1 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base AD Class-wide | 55.536 | → | ▲ 56 1% | ||
| Base armor Class-wide | 19.04 | → | ▼ 19 0% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Base Damage | 60/90/120/150/180 | → | ▼ 50/80/110/140/170 8% | |
| W | Extra Hit Base Damage | 12/18/24/30/36 | → | ▼ 10/16/22/28/34 8% | |
| W | Total Base Damage | 108/162/216/270/324 | → | ▼ 90/144/198/252/306 8% | |
| R | E Ult Base Damage | 250/350/450 | → | ▼ 200/300/400 14% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| E | Stun Duration | 1.25/1.25/1.25/1.25/1.25 | → | ▲ 1.5/1.5/1.5/1.5/1.5 20% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Cast range | 280/280/280/280/280 | → | ▲ 350/350/350/350/350 25% | |
| Q | Cooldown | 100/85/70/70/70 | → | ▲ 1/1/1/1/1 99% |
Patch 8.2January 23, 2018 · Read the 8.2 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen Class-wide | 7 | → | ▼ 1.4 80% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| R | Effect 1 | 200/270/340 | → | ▼ 100/140/180 48% |
Patch 7.22
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base HP Class-wide | 476 | → | ▲ 488 3% | ||
| HP per level Class-wide | 75 | → | ▲ 87 16% |
Show the earlier 29 patches, back to V1.0.0.94(b)
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen | 11.008 | → | ▼ 7 36% | ||
| Q | Effect 1 | 12/18/23/29/34 | → | ▼ 6/9/12/15/18 48% | |
| Q | Effect 10 | 24/23/22/21/20 | → | ▼ 20/20/20/20/20 9% | |
| Q | Effect 2 | 40/60/80/105/130 | → | ▼ 40/60/80/100/120 4% | |
| Q | Effect 3 | 1/1/2/2/3 | → | ▲ 3/3/3/3/3 67% | |
| Q | Effect 6 | 16/16/16/16/16 | → | ▲ 90/90/90/90/90 | |
| Q | Ratio a1 | 0.15 | → | ▲ 0.3 100% | |
| W | Cooldown | 11/11/11/11/11 | → | ▲ 11/10/9/8/7 18% | |
| W | Cost | 70/80/90/100/110 | → | ▲ 50/60/70/80/90 22% | |
| E | Cooldown | 18/16/14/12/10 | → | ▲ 12/12/12/12/12 14% | |
| R | Effect 10 | 150/200/250 | → | ▲ 150/250/350 25% |
Patch 7.9May 2, 2017 · Read the 7.9 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| MR per level Class-wide | 0 | → | ▲ 0.5 |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen Class-wide | 11.005 | → | ▲ 11.008 0% | ||
| Q | Ratio f1 | 24/23/22/21/20 | → | ▼ 0 100% | |
| Q | Ratio f2 | 16/16/16/16/16 | → | ▼ 0 100% | |
| R | Ratio f1 | 0.45/0.45/0.45 | → | ▼ 0 100% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen | 0 | → | ▲ 11.005 | ||
| Q | Effect 5 | 60/70/80/90/100 | → | ▲ 900/900/900/900/900 |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen | 11.005 | → | ▼ 0 100% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base AD Class-wide | 53 | → | ▲ 55.536 5% | ||
| Base HP Class-wide | 350 | → | ▲ 476 36% | ||
| Base armor Class-wide | 14 | → | ▲ 19.04 36% | ||
| Base mana Class-wide | 240 | → | ▲ 307.2 28% | ||
| HP regen Class-wide | 0 | → | ▲ 11.005 |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| R | Cast range | 280/280/280 | → | ▼ 1/1/1 100% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base armor Class-wide | 10 | → | ▲ 14 40% | ||
| Q | Effect 1 | 15/22/29/36/42 | → | ▼ 12/18/23/29/34 19% | |
| Q | Effect 2 | 50/75/100/125/150 | → | ▼ 40/60/80/105/130 17% | |
| Q | Effect 6 | 12/12/12/12/12 | → | ▲ 16/16/16/16/16 33% | |
| Q | Ratio a1 | 0.125 | → | ▲ 0.15 20% | |
| Q | Ratio a2 | 0.5 | → | ▲ 0.55 10% | |
| Q | Ratio f2 | 12/12/12/12/12 | → | ▲ 16/16/16/16/16 33% | |
| R | Effect 1 | 225/300/375 | → | ▼ 200/270/340 10% | |
| R | Effect 7 | 90/110/130 | → | ▼ 80/100/120 9% | |
| R | Ratio a1 | 0.8 | → | ▼ 0.7 13% | |
| R | Ratio a2 | 0.33 | → | ▼ 0.3 9% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Move speed | 335 | → | ▲ 340 1% | ||
| W | Cast range | 1525/1525/1525/1525/1525 | → | ▼ 1325/1325/1325/1325/1325 13% |
Patch 3.14tweak
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Ratio f1 | 25 | → | ▼ 24/23/22/21/20 12% | |
| Q | Ratio f2 | 275/290/305/320/335 | → | ▼ 12/12/12/12/12 96% | |
| Q | Ratio f4 | 0 | → | ▲ 150/175/200/225/250/275/300/325/350/375/400/425/450/475/500/525/550/575 | |
| W | Ratio f2 | 0 | → | ▲ 0.93 | |
| R | Ratio f2 | 0 | → | ▲ 1.83 | |
| R | Ratio f4 | 0 | → | ▲ 0.6 |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| AD per level | 3 | → | ▼ 2.7 10% | ||
| Base AD | 49.24 | → | ▲ 53 8% | ||
| Base armor | 7 | → | ▲ 10 43% | ||
| HP regen | 4.5 | → | ▼ 0 100% | ||
| Move speed | 325 | → | ▲ 335 3% | ||
| Q | Cast range | 250/250/250/250/250 | → | ▲ 350/350/350/350/350 40% | |
| Q | Cooldown | 0/0/0/0/0 | → | ▼ 1/1/1/1/1 | |
| Q | Cost | 70/80/90/100/110 | → | ▲ 20/20/20/20/20 78% | |
| Q | Effect 1 | 30/38/46/54/62 | → | ▼ 15/22/29/36/42 37% | |
| Q | Effect 2 | 30/26/22/18/14 | → | ▲ 50/75/100/125/150 | |
| Q | Effect 3 | 1/1/2/2/2 | → | ▲ 1/1/2/2/3 12% | |
| Q | Ratio a1 | 0.2 | → | ▼ 0.125 38% | |
| W | Cast range | 1000/1000/1000/1000/1000 | → | ▲ 1525/1525/1525/1525/1525 52% | |
| W | Cooldown | 10/10/10/10/10 | → | ▼ 11/11/11/11/11 10% | |
| W | Cost | 65/85/105/125/145 | → | ▲ 70/80/90/100/110 14% | |
| W | Effect 1 | 85/135/185/235/285 | → | ▼ 60/90/120/150/180 35% | |
| W | Effect 2 | 3/3/3/3/3 | → | ▲ 12/18/24/30/36 | |
| W | Ratio a1 | 0.55 | → | ▼ 0.45 18% | |
| E | Cast range | 925/925/925/925/925 | → | ▲ 970/970/970/970/970 5% | |
| E | Cooldown | 13/12/11/10/9 | → | ▼ 18/16/14/12/10 27% | |
| E | Cost | 80/90/100/110/120 | → | ▲ 85/85/85/85/85 15% | |
| E | Effect 1 | 80/135/190/245/300 | → | ▼ 60/100/140/180/220 26% | |
| E | Effect 2 | 1/1.5/2/2.5/3 | → | ● 2/2/2/2/2 0% | |
| R | Cooldown | 120/105/90 | → | ▲ 100/85/70 19% | |
| R | Cost | 90/90/90 | → | ▼ 100/100/100 11% | |
| R | Effect 1 | 20/25/30 | → | ▲ 225/300/375 | |
| R | Effect 2 | 10/15/20 | → | ▲ 80/80/80 | |
| R | Effect 3 | 20/25/30 | → | ▼ 1.5/1.5/1.5 94% | |
| R | Effect 4 | 20/25/30 | → | ▼ 0.12/0.12/0.12 100% | |
| R | Effect 5 | 3/3/3 | → | ▲ 500/690/865 |
Data Dragon’s archive begins at patch 3.8; everything older comes from the community-written League of Legends Wiki (CC BY-SA 3.0). Only the numbers are reproduced here — for the wording of non-numeric changes, follow the link.
V3.01Wiki
| Ability | What changed | Before | After |
|---|
New Effect · H-28G Evolution TurretRemoved · UPGRADE!!!
V1.0.0.152Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Stats | Movement speed | 310 | → | ▲ 335 |
V1.0.0.134Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · H-28G Evolution Turret
V1.0.0.133Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · H-28G Evolution Turret
V1.0.0.123Wiki
| Ability | What changed | Before | After |
|---|
New Effect · H-28G Evolution TurretBug Fix · H-28G Evolution Turret
V1.0.0.120Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Mana cost | 120/125/130/135/140 | → | ▼ 70/80/90/100/110 |
Bug Fix · H-28G Evolution Turret
V1.0.0.109Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Rank 4 bonus health | 100 | → | ▲ 125 |
| H-28G Evolution Turret | Health gain | 21 | → | ▼ (+ 15 per level) |
| H-28G Evolution Turret | Turret magic resistance | 60 | → | ▲ 80 |
Bug Fix · Techmaturgical Repair BotsNew Effect · H-28G Evolution TurretNew Effect · UPGRADE!!!Bug Fix · UPGRADE!!!
V1.0.0.99Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Maximum turrets | 1/2/2/3/3 | → | ● 1/2/2/2/2 |
| H-28G Evolution Turret | Cooldown | 24/22/20/18/16 | → | ● 26/23/20/17/14 seconds |
| CH-1 Concussion Grenad | AP ratio | 55% AP | → | ▲ 60% AP |
New Effect · H-28G Evolution TurretRemoved · CH-1 Concussion Grenade
V1.0.0.98Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Base damage | 28/36/44/52/60 | → | ▲ 30/38/46/54/62 |
| H-28G Evolution Turret | AP ratio | 25% AP | → | ▼ 20% AP |
Removed · H-28G Evolution Turret
V1.0.0.97Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| CH-1 Concussion Grenad | AP ratio | 70% AP | → | ▼ 55% AP |
| CH-1 Concussion Grenad | Range | 1000 | → | ▼ 925 |
Bug Fix · H-28G Evolution Turret
V1.0.0.96Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| CH-1 Concussion Grenad | Damage to structures | 100% | → | ▼ 50% |
| CH-1 Concussion Grenad | Cooldown | 12/11/10/9/8 | → | ▲ 13/12/11/10/9 seconds |
V1.0.0.94Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · H-28G Evolution Turret
V1.0.0.81Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Turret base damage | 20/26/32/38/44 | → | ▲ 28/36/44/52/60 |
| H-28G Evolution Turret | Maximum turrets | 2/3/4/5/6 | → | ▼ 1/2/2/3/3 |
| Hextech Micro-Rockets | Cooldown | 20 | → | ▼ 10 seconds |
| Hextech Micro-Rockets | Rockets | 1/1/2/2/3 | → | ▲ 3 at all ranks |
| Hextech Micro-Rockets | Base damage | 90/150/210/270/330 | → | ▼ 85/135/185/235/285 |
| Hextech Micro-Rockets | AP ratio | 80% AP | → | ▼ 55% AP |
| UPGRADE!!! | Mana cost | 100 | → | ▼ 90 |
Removed · H-28G Evolution TurretNew Effect · H-28G Evolution TurretNew Effect · Hextech Micro-RocketsRemoved · UPGRADE!!!New Effect · UPGRADE!!!
V1.0.0.72Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Hextech Micro-Rockets | Range | 1200 | → | ▼ 1000 |
Bug Fix · H-28G Evolution Turret
V1.0.0.70Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Hextech Micro-Rockets
V1.0.0.63Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Stats | Basic attack projectile speed | 1200 | → | ▲ 1400 |
| Stats | Health per level | 70 | → | ▲ 75 |
| Stats | Damage per level | 2.5 | → | ▲ 3 |
| H-28G Evolution Turret | Gold award | 15 | → | ▼ 12 |
| H-28G Evolution Turret | Turret range | 550 | → | ▲ 575 |
| Hextech Micro-Rockets | Rocket targeting and acquisition | completely random at all times | → | ● one rocket at up to 1/1/2/2/3 random visible enemy champions |
| Hextech Micro-Rockets | Cooldown | 23 | → | ▼ 20 seconds |
| Hextech Micro-Rockets | Mana cost | 80/105/130/155/180 | → | ▼ 70/90/110/130/150 |
| CH-1 Concussion Grenad | Projectile speed | 650 | → | ▲ 750 |
| UPGRADE!!! | Mana cost | 125 | → | ▼ 100 |
Removed · CH-1 Concussion Grenade
V1.0.0.32Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| CH-1 Concussion Grenad | Blind duration | 1.5/2/2.5/3/3.5 | → | ▼ 1/1.5/2/2.5/3 seconds |
| H-28G Evolution Turret | Turret magic resistance | 120 | → | ▼ 100 |
New Effect · H-28G Evolution Turret
V1.0.0.94(b)Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| H-28G Evolution Turret | Damage to structures | 100% | → | ▼ 50% |
| CH-1 Concussion Grenad | Cooldown | 14/13/12/11/10 | → | ▼ 12/11/10/9/8 seconds |