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Kennen Patch History

Every buff and nerf, with the numbers, 3.8 to 26.16

Kennen has been touched in 27 of the 305 patches tracked here, across 48 individual values: 28 moved in their favour, 19 against. Most recent change: patch 26.16.

27Patches touched
48Values changed
28Buffed
19Nerfed
26.16Last 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
6 changed1▲ 5▼
PMark of the Storm

Kennen's abilities add one stack of Mark of the Storm to their target for 6 seconds. If the target reaches 3 stacks, it is stunned for 1.25 seconds and Kennen gains 25 Energy. The stun will be a diminished duration of 0.5 seconds if it occurs again within 6 seconds.

P
Mark of the Storm
0 changed0▲ 0▼
QThundering Shuriken

Kennen throws a fast moving shuriken towards a location, causing damage and adding a Mark of the Storm to any opponent that it hits.

Q
Thundering Shuriken
9 changed6▲ 3▼
WElectrical Surge

Kennen passively deals extra damage and adds a Mark of the Storm to his target every few attacks, and he can activate this ability to damage and add another Mark of the Storm to targets who are already marked.

W
Electrical Surge
15 changed9▲ 5▼
ELightning Rush

Kennen morphs into a lightning form, enabling him to pass through units. Each enemy unit he touches takes damage and receives a Mark of the Storm.

E
Lightning Rush
6 changed5▲ 1▼
RSlicing Maelstrom

Kennen summons a storm that strikes at nearby enemy champions for magical damage.

R
Slicing Maelstrom
12 changed7▲ 5▼

Every change, newest first

Patch 26.16buffAugust 11, 2026 · Read the 26.16 notes
AbilityWhat changedBeforeAfterSince 3.7
RAP Ratio0.225/0.225/0.225▲ 0.25/0.25/0.25 11%
RBase Damage75/110/145▲ 80/120/160 9%
RKennen R Defenses40/60/80▲ 50/75/100 25%
Patch 26.4nerfFebruary 18, 2026
AbilityWhat changedBeforeAfterSince 3.7
RCooldown100/80/80▼ 120/120/120 38%
Patch 14.17nerfAugust 27, 2024
AbilityWhat changedBeforeAfterSince 3.7
QTotal Damage Coefficient0.85▼ 0.75 12%
Patch 14.13nerfJune 25, 2024
AbilityWhat changedBeforeAfterSince 3.7
Base HP611▼ 580 5%
Patch 13.18buffSeptember 12, 2023 · Read the 13.18 notes
AbilityWhat changedBeforeAfterSince 3.7
ECost100/95/90/85/80/75▲ 80/80/80/80/80/80 9%
RCooldown120/120/120▲ 100/80/80 28%
Patch 13.5buffMarch 14, 2023 · Read the 13.5 notes
AbilityWhat changedBeforeAfterSince 3.7
QCooldown8/7/6/5/4▲ 7/6.25/5.5/4.75/4 8%
QTotal Damage75/120/165/210/255▲ 75/125/175/225/275 6%
QTotal Damage Coefficient0.75▲ 0.85 13%
Edamage to minions0.5/0.5/0.5/0.5/0.5▲ 0.65/0.65/0.65/0.65/0.65 30%
Patch 12.15buffAugust 17, 2022 · Read the 12.15 notes
AbilityWhat changedBeforeAfterSince 3.7
WBase Damage Active60/85/110/135/160▲ 70/95/120/145/170 9%
WCooldown14/12/10/8/6▲ 13/11.25/9.5/7.75/6 5%
WEffect 160/85/110/135/160▲ 70/95/120/145/170 9%
RAP Ratio0.2/0.2/0.2▲ 0.225/0.225/0.225 12%
Patch 12.10
AbilityWhat changedBeforeAfterSince 3.7
Armor per level Class-wide3.75▲ 4.95 32%
Base HP Class-wide541▲ 611 13%
HP per level Class-wide84▲ 98 17%
MR per level Class-wide0.5▲ 1.3 160%
Patch 12.5buffMarch 8, 2022 · Read the 12.5 notes
AbilityWhat changedBeforeAfterSince 3.7
WEffect 30.6/0.7/0.8/0.9/1▼ 0.7/0.7/0.7/0.7/0.7 13%
WTotal Damage Passive Coefficient0.25▲ 0.35 40%
Patch 11.19nerfSeptember 21, 2021
AbilityWhat changedBeforeAfterSince 3.7
QTotal Damage85/130/175/220/265▼ 75/120/165/210/255 6%
QTotal Damage Coefficient0.8▼ 0.75 6%
Patch 11.15buffJuly 26, 2021 · Read the 11.15 notes
AbilityWhat changedBeforeAfterSince 3.7
QTotal Damage75/115/155/195/235▲ 85/130/175/220/265 13%
QTotal Damage Coefficient0.75▲ 0.8 7%
Patch 11.10buffMay 16, 2021 · Read the 11.10 notes
AbilityWhat changedBeforeAfterSince 3.7
WTotal Damage Passive10/20/30/40/50▲ 20/30/40/50/60 33%
WTotal Damage Passive Coefficient0.2▲ 0.25 25%
Patch 9.14buffJuly 16, 2019 · Read the 9.14 notes
AbilityWhat changedBeforeAfterSince 3.7
AD per level3.3▲ 3.75 14%
Attack speed0.69▼ 0.625 9%
Base AD50.544▼ 48 5%
Eattack speed0.3/0.4/0.5/0.6/0.7▲ 0.4/0.5/0.6/0.7/0.8 20%
Patch 8.9buffMay 2, 2018 · Read the 8.9 notes
AbilityWhat changedBeforeAfterSince 3.7
WEffect 165/95/125/155/185▼ 60/85/110/135/160 12%
WEffect 215/20/25/30/35▲ 10/20/30/40/50 20%
WEffect 30.6/0.6/0.6/0.6/0.6▲ 0.6/0.7/0.8/0.9/1 33%
EEffect 210/20/30/40/50▲ 40/40/40/40/40 33%
EEffect 340/40/40/40/40▼ 10/20/30/40/50 25%
Patch 8.3February 6, 2018 · Read the 8.3 notes
AbilityWhat changedBeforeAfterSince 3.7
HP regen Class-wide1.1184▼ 1.1 2%
Show the earlier 22 patches, back to V1.0.0.99
Patch 8.2January 23, 2018 · Read the 8.2 notes
AbilityWhat changedBeforeAfterSince 3.7
HP regen Class-wide5.592▼ 1.1184 80%
Patch 7.22
AbilityWhat changedBeforeAfterSince 3.7
Base HP Class-wide535.72▲ 541 1%
Base armor Class-wide24.3▲ 29 19%
HP per level Class-wide79▲ 84 6%
Patch 7.13nerfJune 27, 2017 · Read the 7.13 notes
AbilityWhat changedBeforeAfterSince 3.7
WEffect 240/50/60/70/80▼ 15/20/25/30/35 58%
WEffect 30.4/0.5/0.6/0.7/0.8● 0.6/0.6/0.6/0.6/0.6 0%
ERatio a10.6▲ 0.8 33%
Patch 7.9May 2, 2017 · Read the 7.9 notes
AbilityWhat changedBeforeAfterSince 3.7
MR per level Class-wide0▲ 0.5
Patch 7.3February 7, 2017 · Read the 7.3 notes
AbilityWhat changedBeforeAfterSince 3.7
HP regen Class-wide5.59▲ 5.592 0%
Patch 7.1nerfJanuary 10, 2017 · Read the 7.1 notes
AbilityWhat changedBeforeAfterSince 3.7
REffect 180/145/210▼ 40/75/110 48%
REffect 40.25/0.25/0.25▲ 10/10/10
RRatio a10.4▼ 0.2 50%
Patch 6.10nerfMay 17, 2016 · Read the 6.10 notes
AbilityWhat changedBeforeAfterSince 3.7
WEffect 35/5/5/5/5▼ 0.4/0.5/0.6/0.7/0.8 88%
Patch 6.9tweakMay 3, 2016 · Read the 6.9 notes
AbilityWhat changedBeforeAfterSince 3.7
QCost65/60/55/50/45▲ 60/55/50/45/40 9%
WCast range900/900/900/900/900▼ 725/725/725/725/725 19%
WCost45/45/45/45/45▲ 40/40/40/40/40 11%
REffect 20.5/0.4/0.33▲ 0.5/0.5/0.5 22%
REffect 33/4/5▼ 3/3/3 25%
Patch 4.21buffDecember 9, 2014 · Read the 4.21 notes
AbilityWhat changedBeforeAfterSince 3.7
REffect 36/10/15▼ 3/4/5 61%
Patch 4.20November 19, 2014 · Read the 4.20 notes
AbilityWhat changedBeforeAfterSince 3.7
Base AD Class-wide47▲ 50.544 8%
Base HP Class-wide403▲ 535.72 33%
Base armor Class-wide18▲ 24.3 35%
HP regen Class-wide4.5▲ 5.59 24%
Patch 4.5April 6, 2014 · Read the 4.5 notes
AbilityWhat changedBeforeAfterSince 3.7
Base armor Class-wide14▲ 18 29%
Patch 3.9nerfJuly 9, 2013 · Read the 3.9 notes
AbilityWhat changedBeforeAfterSince 3.7
Base AD51.3▼ 47 8%
HP regen4.65▼ 4.5 3%

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.

V3.02Wiki
AbilityWhat changedBeforeAfter
Removed · Electrical Surge
V3.01Wiki
AbilityWhat changedBeforeAfter
Slicing MaelstromEnergy cost40▼ 0
V1.0.0.152Wiki
AbilityWhat changedBeforeAfter
StatsMovement speed310▲ 335
V1.0.0.142Wiki
AbilityWhat changedBeforeAfter
StatsAttack range575▼ 550
V1.0.0.134Wiki
AbilityWhat changedBeforeAfter
Thundering ShurikenCooldown7/6/5/4/3▲ 8/7/6/5/4 seconds
V1.0.0.123Wiki
AbilityWhat changedBeforeAfter
Thundering ShurikenAP ratio66% AP▲ 75% AP)
Lightning RushAP ratio55% AP▲ 60% AP
Lightning RushEnergy cost100 at all ranks▼ 100/95/90/85/80
V1.0.0.118Wiki
AbilityWhat changedBeforeAfter
New Effect · Electrical Surge
V1.0.0.109Wiki
AbilityWhat changedBeforeAfter
Mark of the StormDuration12▼ 8 seconds
Electrical SurgeRange825▼ 800
V1.0.0.101Wiki
AbilityWhat changedBeforeAfter
Removed · Lightning Rush
V1.0.0.99Wiki
AbilityWhat changedBeforeAfter
Mark of the StormStun duration1.25▼ 1 second
Electrical SurgeAP ratio45% AP▲ 55% AP
Lightning RushEnergy cost110▼ 100
Slicing MaelstromAP ratio33% AP▲ 40% AP
Slicing MaelstromBolts6/8/10 (3-hits-per-target limit unchanged)▲ 6/10/15
New Effect · Mark of the StormNew Effect · Lightning RushRemoved · Slicing Maelstrom

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