Kayn Patch History
Every buff and nerf, with the numbers, 3.8 to 26.16
Kayn has been touched in 28 of the 305 patches tracked here, across 66 individual values: 34 moved in their favour, 32 against. Most recent change: patch 26.3.
28Patches touched
66Values changed
34Buffed
32Nerfed
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
3 changed2▲ 1▼
PThe Darkin Scythe
At one point in the game, Kayn will permanently transform into either a Shadow Assassin or a Darkin.
P
The Darkin Scythe
20 changed10▲ 10▼
QReaping Slash
Kayn dashes, then slashes. Both deal damage.
Q
Reaping Slash
15 changed9▲ 6▼
WBlade's Reach
Kayn damages and slows targets in a line.
W
Blade's Reach
6 changed2▲ 4▼
EShadow Step
Kayn can walk through terrain.
E
Shadow Step
10 changed6▲ 4▼
RUmbral Trespass
Kayn hides in an enemy's body, dealing massive damage when he bursts out.
R
Umbral Trespass
12 changed5▲ 7▼
Every change, newest first
Patch 26.3buffFebruary 3, 2026
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Effect 1 | 13.2353 | → | ▼ 2 85% | |
| P | Effect 4 | 1.7647 | → | ▼ 1 43% | |
| Q | Total Damage | 75/100/125/150/175 | → | ▲ 75/105/135/165/195 8% |
Patch 25.24nerfDecember 2, 2025
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Kayn Ass Bonus Damage End Value | 0.45 | → | ▼ 0.4 11% | |
| P | Kayn Ass Bonus Damage Start Value | 0.25 | → | ▼ 0.2 20% | |
| P | P Amp Percent Base Ass | 23.823 | → | ▼ 18.823 21% |
Patch 25.17buffAugust 26, 2025
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| W | Cost | 60/65/70/75/80/85 | → | ▲ 40/45/50/55/60/65 28% |
Patch 25.10nerfMay 13, 2025
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| HP per level | 109 | → | ▼ 103 6% |
Patch 25.3buff
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Total Damage | 75/95/115/135/155 | → | ▲ 75/100/125/150/175 9% |
Patch 25.2tweak
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Kayn Ass Bonus Damage Start Value | 0.15 | → | ▲ 0.25 67% | |
| P | P Amp Percent Base Ass | 13.2353 | → | ▲ 23.823 80% | |
| P | P Amp Percent Per Lvl Ass | 1.7647 | → | ▼ 1.1777 33% |
Patch 14.7buffApril 2, 2024
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Total Damage Coefficient | 0.8 | → | ▲ 0.85 6% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Slayer Base Max HP Damage | 5/5/5/5/5 | → | ▲ 6/6/6/6/6 20% | |
| R | Damage Coefficient | 1.75 | → | ▼ 1.5 14% |
Patch 14.5buffMarch 5, 2024
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Slayer Heal Percent | 0.65/0.65/0.65 | → | ▲ 0.75/0.75/0.75 15% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Slayer Max HP Damager Per 100 AD | 0.0013/0.0013/0.0013 | → | ▼ 0.001/0.001/0.001 23% |
Patch 13.17nerfAugust 29, 2023
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| W | Total Damage | 90/135/180/225/270 | → | ▼ 85/130/175/220/265 3% | |
| W | Total Damage Coefficient | 1.3 | → | ▼ 1.1 15% |
Patch 13.8nerfApril 18, 2023
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| E | Assassin CD Reduction | 8/8/8/8/8 | → | ▲ 10/10/10/10/10 25% | |
| E | Effect 5 | 80/80/80/80/80 | → | ▼ 70/70/70/70/70 12% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Effect 1 | 11.412 | → | ▲ 13.2353 16% | |
| P | Effect 4 | 1.588 | → | ▲ 1.7647 11% | |
| Q | Total Damage Coefficient | 0.65 | → | ▲ 0.8 23% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Effect 1 | 8 | → | ▲ 11.412 43% | |
| P | Effect 4 | 1.3 | → | ▲ 1.588 22% | |
| E | Effect 8 | 0.35/0.35/0.35/0.35/0.35 | → | ▲ 0.45/0.45/0.45/0.45/0.45 29% | |
| E | Total Healing Coefficient | 0.35 | → | ▲ 0.45 29% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| HP per level | 99 | → | ▲ 109 10% |
Show the earlier 13 patches, back to 7.15
Patch 12.10nerf
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Armor per level Class-wide | 3.3 | → | ▲ 4.5 36% | ||
| Base HP Class-wide | 585 | → | ▲ 655 12% | ||
| HP per level Class-wide | 85 | → | ▲ 99 16% | ||
| MR per level Class-wide | 1.25 | → | ▲ 2.05 64% | ||
| P | Effect 6 | 0.3 | → | ▼ 0.25 17% | |
| E | Effect 8 | 0.4/0.4/0.4/0.4/0.4 | → | ▼ 0.35/0.35/0.35/0.35/0.35 13% | |
| E | Total Healing | 100/115/130/145/160 | → | ▼ 90/100/110/120/130 15% | |
| E | Total Healing Coefficient | 0.4 | → | ▼ 0.35 13% | |
| R | Slayer Heal Percent | 0.7/0.7/0.7 | → | ▼ 0.65/0.65/0.65 7% |
Patch 11.22buffNovember 2, 2021
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Effect 6 | 10/10/10 | → | ▲ 15/15/15 50% | |
| R | Slayer Max HP Base Damage | 0.1/0.1/0.1 | → | ▲ 0.15/0.15/0.15 50% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Effect 1 | 10 | → | ▼ 8 20% | |
| P | Effect 4 | 1.9 | → | ▼ 1.3 32% |
Patch 11.1January 5, 2021 · Read the 11.1 notes
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Base MR Class-wide | 32.1 | → | ▼ 32 0% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| W | Effect 3 | -0.7/-0.7/-0.7/-0.7/-0.7 | → | ▼ -0.9/-0.9/-0.9/-0.9/-0.9 29% |
Patch 10.5buffMarch 3, 2020
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| W | Effect 3 | -0.6/-0.6/-0.6/-0.6/-0.6 | → | ▼ -0.7/-0.7/-0.7/-0.7/-0.7 17% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| P | Cast range | 0 | → | ▲ 25000 | |
| P | Effect 1 | 2 | → | ▲ 10 | |
| P | Effect 2 | 3.5 | → | ▼ 3 14% | |
| P | Effect 3 | 2 | → | ▲ 8 300% | |
| P | Effect 4 | 1 | → | ▲ 1.9 90% | |
| Q | Cast range | 25000/25000/25000/25000/25000 | → | ▼ 700/700/700/700/700 97% | |
| Q | Cooldown | 7/6.5/6/5.5/5 | → | ▲ 5/5/5/5/5 17% | |
| Q | Cost | 50/50/50/50/50/50 | → | ▼ 50/55/60/65/70/75 25% | |
| Q | Effect 1 | 60/80/100/120/140 | → | ▲ 100/120/140/160/180 40% | |
| Q | Effect 2 | 0.5/0.5/0.5/0.5/0.5 | → | ▲ 1.1/1.1/1.1/1.1/1.1 120% | |
| Q | Effect 3 | 5/5/5/5/5 | → | ▼ 4/4/4/4/4 20% | |
| Q | Effect 4 | 4/4/4/4/4 | → | ▼ -0.4/-0.45/-0.5/-0.55/-0.6 113% | |
| Q | Effect 5 | 200/250/300/350/400 | → | ▼ 2/2/2/2/2 99% | |
| Q | Effect 6 | 55/55/55/55/55 | → | ▼ 1.1/1.25/1.4/1.55/1.7 97% | |
| E | Cooldown | 21/19/17/15/13 | → | ▲ 0/0/0/0/0 100% | |
| R | Cast range | 550/550/550 | → | ▼ 450/450/450 18% | |
| R | Cooldown | 100/80/0 | → | ▼ 110/80/10 11% | |
| R | Cost | 100/100/100/0/0/0 | → | ▼ 100/100/100/100/100/100 100% | |
| R | Effect 1 | 250/350/350 | → | ▼ 15/20/8 95% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| E | Effect 2 | 5/6/7/8/9 | → | ▲ 7/7.5/8/8.5/9 14% | |
| E | Effect 5 | 70/70/70/70/70 | → | ▲ 80/80/80/80/80 14% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Effect 1 | 250/350/0 | → | ▲ 250/350/350 58% |
Patch 8.2January 23, 2018 · Read the 8.2 notes
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| HP regen Class-wide | 8 | → | ▼ 1.6 80% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| AD per level | 2.8 | → | ▲ 3.3 18% |
Patch 7.22buff
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Base AD Class-wide | 60 | → | ▲ 68 13% | ||
| Base armor Class-wide | 29 | → | ▲ 38 31% | ||
| Q | Effect 1 | 55/75/95/115/135 | → | ▲ 60/80/100/120/140 5% | |
| W | Effect 1 | 80/125/170/215/260 | → | ▲ 90/135/180/225/270 6% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Ratio a1 | 1.1 | → | ▲ 1.5 36% |
Patch 7.14ReleasedKayn joined the roster