Kayn Patch History
Every buff and nerf, with the numbers, 3.8 to 26.19
Kayn has been touched in 31 of the 308 patches tracked here, across 51 individual values: 29 moved in their favour, 22 against. Most recent change: patch 26.3.
31Patches touched
51Values changed
29Buffed
22Nerfed
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
Kayn wields an ancient weapon and fights Rhaast, the darkin within it, for control. Either the Darkin will triumph, or Kayn will master Rhaast and become the Shadow Assassin.Darkin: Heal for a percentage of spell damage dealt to champions.Shadow Assassin: For the first few second
P
The Darkin Scythe
7 changed2▲ 5▼
QReaping Slash
Kayn dashes, then slashes. Both deal damage.
Q
Reaping Slash
16 changed12▲ 4▼
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
9 changed5▲ 4▼
RUmbral Trespass
Kayn hides in an enemy's body, dealing massive damage when he bursts out.
R
Umbral Trespass
10 changed6▲ 4▼
Every change, newest first
Patch 26.3buffFebruary 3, 2026
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| 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 | |
|---|---|---|---|---|---|
| Q | Cost | 50/50/50/50/50/50 | → | ▲ 40/40/40/40/40/40 20% | |
| 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 | |
|---|---|---|---|---|---|
| Q | Total Damage Coefficient | 0.65 | → | ▲ 0.8 23% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| 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% |
Patch 12.18nerfSeptember 20, 2022
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Effect 4 | 5/5/5/5/5 | → | ▼ 3.5/3.5/3.5/3.5/3.5 30% |
Show the earlier 16 patches, back to 7.15
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| HP per level | 99 | → | ▲ 109 10% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Effect 4 | 5.5/5.5/5.5/5.5/5.5 | → | ▼ 5/5/5/5/5 9% |
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 | |
|---|---|---|---|---|---|
| Q | Effect 4 | 4/4/4/4/4 | → | ▲ 5.5/5.5/5.5/5.5/5.5 38% | |
| 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% |
Patch 11.9buffApril 27, 2021
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Effect 2 | 0.55/0.55/0.55/0.55/0.55 | → | ▲ 0.65/0.65/0.65/0.65/0.65 18% |
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 | |
|---|---|---|---|---|---|
| Q | Cooldown | 6/5.5/5/4.5/4 | → | ▼ 7/6.5/6/5.5/5 20% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| Q | Cooldown | 7/6.5/6/5.5/5 | → | ▲ 6/5.5/5/4.5/4 17% | |
| 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 | |
|---|---|---|---|---|---|
| Q | Effect 1 | 60/80/100/120/140 | → | ▲ 75/95/115/135/155 15% | |
| Q | Effect 2 | 0.5/0.5/0.5/0.5/0.5 | → | ▲ 0.55/0.55/0.55/0.55/0.55 10% | |
| Q | Effect 6 | 55/55/55/55/55 | → | ▼ 40/40/40/40/40 27% |
| Ability | What changed | Before | After | Since 7.14 release | |
|---|---|---|---|---|---|
| R | Cast range | 3500/3500/3500 | → | ▼ 550/550/550 84% | |
| R | Cooldown | 110/80/10 | → | ▲ 100/80/0 10% | |
| R | Cost | 100/100/100/100/100/100 | → | ▲ 100/100/100/0/0/0 50% |
| 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% |
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