League of Legends patch 25.21 preview: Yunara buffs, Qiyanna nerfs, and more

The League of Legends patch 25.21 preview is now out. The next updates are mainly intended to make the Midlane role more interactive, with nerfs to Second Wind, Doran's Shield, and Catalyst of Aeons. However, the Catalyst should still be a viable option for immobile mages to fight Assassin and Skirmisher champions.

Here are all the upcoming changes shared on the League of Legends patch 25.21 preview notes.

All changes in League of Legends patch 25.21 preview

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Champion buffs

1) Bard

W heal AP ratio: 30-60% → 40-70%
W move speed AP ratio: 5%% → 6%%

2) Ezreal

AD Growth: 2.75 → 3.25

3) Kalista

AD growth: 4.25 → 4.75

4) Yone

Base AD: 60 → 62

5) Yunara

W hit damage: 5-105 + 85% total AD → 55-215 + 85% bonus AD
W DPS: 5-65 + 40% total AD → 33-129 + 51% bonus AD
E move speed no longer decays
E, R-E cooldown: 7.5 → 9
Bugfix: E now properly loses its enhanced move speed when turning away from enemy champions
R-W damage: 50/200/350 +175% total AD → 175/350/525 +150% bonus AD (this is usually a nerf)

Champion nerfs

1) Diana

P Monster Damage: 300% → 280%

2) Kog'Maw

Q passive attack speed: 10-30% → 5-25%

3) Morgana

Armor growth: 5 → 4.2

4) Qiyana

Health Growth: 124 → 121
Q Damage: 70-190 (90% bonus AD) → 70-190 (85% bonus AD)

5) Quinn

Q bonus AD ratio: 80-120% → 80-100%
R damage: 70% total AD → 60/90/120 + 35% bonus AD

Champion adjustments

1) Dr. Mundo

Armor growth: 3.7 → 4.5
E active bonus HP ratio: 7% → 5%

2) Graves

Base magic resist: 32-66.85 → 30-52.1
E active MR per stack: 0 → 50% of armor: 2-8 (maximum 16-64)

3) Gwen

Reverted back to the 25.05 version of the champion, except for armor growth and passive monster damage, which remain unchanged.

4) Skarner

Pushed to next patch (25.22)

Also read: League of Legends patch 25.20 notes

System nerfs

1) Catalyst of Aeons

Health: 350 → 300

2) Second Wind

Healing after taking damage: 4% of missing health + 3 → 4% of missing health

3) Doran's Shield

Max healing after taking damage: 45 (melee) or 30 (ranged) → 40 (melee) or 30 (ranged)

System adjustments

1) Doran's Blade

Life Steal removed
New passive: Heal for 2.5% of damage dealt (reduced to 33% of this value for area of effect spells and pet spells)

2) Doran's Ring

Mana regeneration: 1.25 per second + 1 per second, increased to 2 per second for 5 seconds after damaging an enemy champion
Health regeneration: 0.55 per second → 45% of this value

The official League of Legends patch 25.21 will hit the live server on October 22, 2025.

Check out more LoL news and updates below:

About the author

Debayan is a gaming journalist and he specializes in League of Legends content but also pens game reviews for the website.
His fascination with video games began with the Fable series and to this day, he occasionally takes nostalgic strolls around the idyllic Oakvale village. If given a chance to inhabit a game world, he would eagerly jump into Cyberpunk 2077’s Night City and its neon-drenched streets.
Debayan is a big fan of T1's League of Legends team and Danish CS pro Nicolai “dev1ce” Reedtz.

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Edited by Debayan Saha