Yuumi Patch History
Every buff and nerf, with the numbers, 3.8 to 26.16
Yuumi has been touched in 32 of the 305 patches tracked here, across 110 individual values: 49 moved in their favour, 61 against. Most recent change: patch 26.12.
32Patches touched
110Values changed
49Buffed
61Nerfed
26.12Last 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
5 changed1▲ 4▼
PFeline Friendship
Periodically, when Yuumi strikes a champion with an attack or ability, she restores health to herself and the next ally she Attaches to.While Attached, Yuumi generates a special bond with her allies. The ally with the strongest bond enhances Yuumi's abilities while she is Attache
P
Feline Friendship
5 changed3▲ 2▼
QProwling Projectile
Yuumi fires a missile, dealing damage and slowing first target hit. It deals bonus damage and an enchanced slow if it takes at least 1.35 seconds to get to its target. While on her Best Friend, the slow is always enhanced and grants bonus On-Hit damage to her ally.While Attached,
Q
Prowling Projectile
44 changed23▲ 21▼
WYou and Me!
Yuumi dashes to a target ally, becoming untargetable from everything except turrets. While on her Best Friend, she gains Heal & Shield Power and grants her Ally On-Hit healing.
W
You and Me!
11 changed3▲ 8▼
EZoomies
Shields Yuumi and boosts Move Speed and Attack Speed. If she's attached, she passes it to her ally instead.
E
Zoomies
26 changed10▲ 16▼
RFinal Chapter
Yuumi channels five waves that damage enemies and heal allies. Yuumi can move, attach, and cast Zoomies! while channeling. While on her Best Friend, this spell also follows her mouse.
R
Final Chapter
19 changed9▲ 10▼
Every change, newest first
Patch 26.12buffJune 9, 2026
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| P | Heal Amount Coefficient | 0.25 | → | ▲ 0.3 20% | |
| E | AP Ratio | 0.3/0.3/0.3/0.3/0.3 | → | ▲ 0.4/0.4/0.4/0.4/0.4 33% |
Patch 26.8tweakApril 14, 2026
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| R | Base Heal Per Wave | 40/50/60 | → | ▲ 50/70/90 40% | |
| R | Total Heal Per Wave Coefficient | 0.1 | → | ▲ 0.12 20% |
Patch 25.16nerfAugust 12, 2025
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Empowered Missile Damage | 80/140/200/260/320 | → | ▼ 80/135/190/245/300 5% | |
| W | Base Health On Hit | 3/5/7/9/11 | → | ▼ 3/4/5/6/7 29% | |
| W | Heal And Shield Power | 0.05/0.075/0.1/0.125/0.15 | → | ▼ 0.04/0.05/0.06/0.07/0.08 40% | |
| W | Health On Hit Coefficient | 0.04 | → | ▼ 0.03 25% |
Patch 25.14nerfJuly 15, 2025
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| R | Total Heal Per Wave Coefficient | 0.15 | → | ▼ 0.1 33% |
Patch 25.10nerfMay 13, 2025
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| R | Base Heal Per Wave | 50/65/80 | → | ▼ 40/50/60 23% |
Patch 25.8nerf
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Base Shielding | 80/105/130/155/180 | → | ▼ 65/90/115/140/165 12% |
Patch 25.2buff
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| P | Heal Amount Coefficient | 0.15 | → | ▲ 0.25 67% | |
| R | Base Missile Damage | 100/125/150 | → | ▲ 125/175/225 40% | |
| R | Total Missile Damage Coefficient | 0.2 | → | ▲ 0.25 25% |
Patch 14.24nerfDecember 10, 2024
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cost | 50/60/70/80/90/100 | → | ▲ 50/55/60/65/70/75 17% | |
| Q | Empowered Missile Damage | 80/135/190/245/300 | → | ▲ 80/140/200/260/320 5% | |
| Q | Missile Damage | 60/90/120/150/180 | → | ▲ 60/95/130/165/200 8% |
Patch 14.12buffJune 11, 2024
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| R | Base Heal Per Wave | 40/55/70 | → | ▲ 50/65/80 18% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| W | Max Bonus Heal Shield Power | 0.2/0.2/0.2/0.2/0.2 | → | ▼ 0.15/0.15/0.15/0.15/0.15 25% | |
| W | Min Bonus Heal Shield Power | 0.1/0.1/0.1/0.1/0.1 | → | ▼ 0.05/0.05/0.05/0.05/0.05 50% | |
| E | Attack Speed Amount | 35/35/35/35/35 | → | ▼ 25/27.5/30/32.5/35 14% | |
| E | Base Shielding | 90/120/150/180/210 | → | ▼ 80/105/130/155/180 13% | |
| R | Base Heal Per Wave | 50/65/80 | → | ▼ 40/55/70 15% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cooldown | 7.5/7.25/7/6.75/6.5 | → | ▲ 6.5/6.5/6.5/6.5/6.5 7% | |
| Q | Cost | 50/55/60/65/70/75 | → | ▼ 50/60/70/80/90/100 20% | |
| Q | Empowered Missile Damage | 80/140/200/260/320 | → | ▼ 80/135/190/245/300 5% | |
| Q | Empowered Slow Amount | 55/60/65/70/75 | → | ▼ 50/53/56/59/62 14% | |
| Q | Starting Speed | 675/675/675/675/675 | → | ▼ 650/650/650/650/650 4% | |
| R | Degrees Per Tick | 8/8/8 | → | ▲ 10/10/10 25% | |
| R | Overshield Bonus Duration | 3/3/3 | → | ▼ 1.5/1.5/1.5 50% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| HP per level | 84 | → | ▼ 69 18% | ||
| Q | Afterburner Speed | 1000/1000/1000/1000/1000 | → | ▼ 950/950/950/950/950 5% | |
| Q | Cast range | 1150/1150/1150/1150/1150 | → | ▲ 25000/25000/25000/25000/25000 | |
| Q | Cooldown | 13.5/12/10.5/9/7.5 | → | ▲ 7.5/7.25/7/6.75/6.5 33% | |
| Q | Cost | 90/90/90/90/90/90 | → | ▲ 50/55/60/65/70/75 31% | |
| Q | Missile Damage | 50/80/110/140/170 | → | ▲ 60/90/120/150/180 9% | |
| Q | Missile Lifetime | 2/2/2/2/2 | → | ▼ 1.85/1.85/1.85/1.85/1.85 7% | |
| Q | Starting Speed | 1000/1000/1000/1000/1000 | → | ▼ 675/675/675/675/675 32% | |
| Q | Time To Afterburners | 1/1/1/1/1 | → | ▲ 1.35/1.35/1.35/1.35/1.35 35% | |
| Q | Total Missile Damage Coefficient | 0.3 | → | ▼ 0.2 33% | |
| E | Attack Speed Amount | 0.25/0.3/0.35/0.4/0.45 | → | ▲ 35/35/35/35/35 | |
| R | Base Missile Damage | 80/100/120 | → | ▲ 100/125/150 25% | |
| R | Cooldown | 100/90/60 | → | ▼ 110/100/100 24% | |
| R | Missile Slow Percent | -0.3/-0.3/-0.3 | → | ▼ -0.4/-0.4/-0.4 33% | |
| R | Multi Missile Reduction | 0.5/0.5/0.5 | → | ▼ 0.25/0.25/0.25 50% | |
| R | Number Of Waves | 7/7/7 | → | ▼ 5/5/5 29% | |
| R | Time Between Waves | 0.55/0.55/0.55 | → | ▲ 0.75/0.75/0.75 36% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Attack range | 500 | → | ▼ 425 15% | ||
| Base AD | 55 | → | ▼ 49 11% | ||
| Base HP | 550 | → | ▼ 500 9% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Empowered Missile Base Damage | 60/110/160/210/260 | → | ▼ 60/100/140/180/220 12% | |
| Q | Missile Damage | 50/90/130/170/210 | → | ▼ 50/80/110/140/170 15% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| P | Passive Cooldown Start Value | 14 | → | ▼ 18 29% | |
| R | CC Duration | 1.75/1.75/1.75 | → | ▼ 1.25/1.25/1.25 29% |
Show the earlier 17 patches, back to 9.11
Patch 12.17buffSeptember 7, 2022
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Current Health Damage | 0.02/0.032/0.044/0.056/0.068 | → | ▲ 0.03/0.042/0.054/0.066/0.078 23% | |
| Q | Empowered Missile Base Damage | 60/100/140/180/220 | → | ▲ 60/110/160/210/260 14% | |
| Q | Missile Damage | 50/80/110/140/170 | → | ▲ 50/90/130/170/210 18% | |
| R | Cooldown | 110/90/60 | → | ▲ 100/90/60 4% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Final Move Speed Coefficient | 0.06 | → | ▼ 0.02 67% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Total Healing Coefficient | 0.35 | → | ▼ 0.3 14% |
Patch 12.12buffJune 22, 2022
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Base Healing | 70/100/130/160/190 | → | ▼ 70/90/110/130/150 15% | |
| E | MS Amount | 15/15/15/15/15 | → | ▲ 20/20/20/20/20 33% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Base Healing | 65/90/115/140/165 | → | ▲ 70/100/130/160/190 13% | |
| E | Percent Mana Cost | 0.15/0.15/0.15/0.15/0.15 | → | ▲ 0.12/0.12/0.12/0.12/0.12 20% | |
| E | Total Healing Coefficient | 0.25 | → | ▲ 0.35 40% |
Patch 12.10nerf
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Armor per level Class-wide | 3 | → | ▲ 4.2 40% | ||
| Base HP Class-wide | 480 | → | ▲ 550 15% | ||
| HP per level Class-wide | 70 | → | ▲ 84 20% | ||
| MR per level Class-wide | 0.3 | → | ▲ 1.1 267% | ||
| P | Shield Amount Coefficient | 0.3 | → | ▼ 0.25 17% | |
| E | Base Healing | 70/100/130/160/190 | → | ▼ 65/90/115/140/165 12% | |
| E | Total Healing Coefficient | 0.35 | → | ▼ 0.25 29% |
Patch 11.22nerfNovember 2, 2021
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| E | Base Healing | 70/105/140/175/210 | → | ▼ 70/100/130/160/190 7% | |
| E | Final Move Speed Coefficient | 0.1 | → | ▼ 0.06 40% | |
| E | Total Healing Coefficient | 0.4 | → | ▼ 0.35 13% |
Patch 11.18buffSeptember 8, 2021
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| P | Passive Cooldown Start Value | 18 | → | ▲ 14 22% |
Patch 11.13nerfJune 22, 2021
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| W | Cast Forgiveness Range | 200/200/200/200/200 | → | ▼ 125/125/125/125/125 38% | |
| W | Cooldown | 0/0/0/0/0 | → | ▼ 0.25/0.25/0.25/0.25/0.25 | |
| E | Cooldown | 12/11/10/9/8 | → | ▼ 15/13.75/12.5/11.25/10 25% | |
| R | Cooldown | 0/0/0 | → | ▼ 110/90/60 |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Empowered Missile Base Damage | 45/85/125/165/205 | → | ▲ 60/100/140/180/220 12% | |
| Q | Missile Damage | 40/70/100/130/160 | → | ▲ 50/80/110/140/170 10% |
Patch 10.3tweakFebruary 4, 2020
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cost | 85/90/95/100/105/110 | → | ▲ 90/90/90/90/90/90 8% | |
| Q | Empowered Missile Base Damage | 50/95/140/185/230 | → | ▼ 45/85/125/165/205 11% | |
| Q | Missile Damage | 40/65/90/115/140 | → | ▲ 40/70/100/130/160 11% | |
| E | Heal Amount Min | 70/110/150/190/230 | → | ▼ 70/105/140/175/210 7% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cost | 75/80/85/90/95/100 | → | ▼ 85/90/95/100/105/110 11% | |
| Q | Empowered Missile Base Damage | 50/85/120/155/190 | → | ▲ 50/95/140/185/230 17% | |
| Q | Missile Lifetime | 3/3/3/3/3 | → | ▼ 2/2/2/2/2 33% | |
| Q | Time To Afterburners | 0.95/0.95/0.95/0.95/0.95 | → | ▲ 1/1/1/1/1 5% | |
| W | Adaptive Stat Sharing | 0.04/0.07/0.1/0.13/0.16 | → | ▲ 0.12/0.14/0.16/0.18/0.2 60% | |
| W | CC Attach Lockout | 2/2/2/2/2 | → | ▲ 5/5/5/5/5 150% | |
| W | Flat Adaptive Stats | 5/7/9/11/13 | → | ▲ 12/14/16/18/20 78% | |
| E | Cooldown | 0.5/0.5/0.5/0.5/0.5 | → | ▼ 12/11/10/9/8 | |
| E | Cost | 30/40/50/60/70/80 | → | ▼ 100/115/130/145/160/160 145% | |
| E | Heal Amount Min | 30/40/50/60/70 | → | ▲ 70/110/150/190/230 200% | |
| E | MS Amount | 25/25/25/25/25 | → | ▼ 15/15/15/15/15 40% | |
| E | MS Duration | 2/2/2/2/2 | → | ▲ 3/3/3/3/3 50% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Slow Amount | 20/32/44/56/68 | → | ▼ 20/20/20/20/20 55% | |
| Q | Slow Duration | 1.5/1.5/1.5/1.5/1.5 | → | ▼ 1/1/1/1/1 33% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cooldown | 11/10/9/8/7 | → | ▼ 13.5/12/10.5/9/7.5 17% | |
| Q | Empowered Missile Base Damage | 50/95/140/185/230 | → | ▼ 50/85/120/155/190 14% | |
| Q | Slow Amount | 40/48/56/64/72 | → | ▼ 20/32/44/56/68 21% | |
| Q | Slow Duration | 1.25/1.35/1.45/1.55/1.65 | → | ▲ 1.5/1.5/1.5/1.5/1.5 3% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Cost | 60/65/70/75/80/85 | → | ▼ 75/80/85/90/95/100 21% | |
| Q | Empowered Missile Base Damage | 60/105/150/195/240 | → | ▼ 50/95/140/185/230 7% | |
| E | Cost | 60/65/70/75/80/85 | → | ▲ 30/40/50/60/70/80 24% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Base HP | 432.36 | → | ▲ 480 11% | ||
| W | Adaptive Stat Sharing | 0.05/0.09/0.13/0.17/0.21 | → | ▼ 0.04/0.07/0.1/0.13/0.16 23% |
| Ability | What changed | Before | After | Since 9.10 release | |
|---|---|---|---|---|---|
| Q | Empowered Missile Base Damage | 60/100/140/180/220 | → | ▲ 60/105/150/195/240 7% | |
| Q | Missile Damage | 40/60/80/100/120 | → | ▲ 40/65/90/115/140 12% | |
| Q | Slow Amount | 30/40/50/60/70 | → | ▲ 40/48/56/64/72 12% | |
| Q | Slow Duration | 1/1.1/1.2/1.3/1.4 | → | ▲ 1.25/1.35/1.45/1.55/1.65 21% | |
| E | Heal Amount Min | 25/35/45/55/65 | → | ▲ 30/40/50/60/70 11% |
Patch 9.10ReleasedYuumi joined the roster