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Patch Notes — League of Legends

Last updated: patch 26.18 (September 9, 2026).

Riot doesn't publish League of Legends patch notes through an API -- only as articles on its official site. Here's a summary (our own words, not lifted from Riot's copy) of the latest patches; each card links to the full article on leagueoflegends.com.
Patch 26.18
September 9, 2026
Patch 26.18. Five classic champions join League Classic (Fiora, Galio, Poppy, Shyvana, Xin Zhao) and ARAM Mayhem's augment pools are reworked. Full balance changes below.
Bard
Bard ▼ Nerf
  • Armor: 34 + 5/level → 32 + 4.7/level
Cassiopeia
Cassiopeia ◆ Adjustment
  • Passive move speed bonus: 6-40% → 5-36%
  • Q Damage: 75/110/145/180/215 → 65/100/135/170/205
  • Q AP Ratio: 65% → 75%
  • E Mana Cost: 40 → 45
  • E Base AP Ratio: 10% → 20%
  • E Enhanced AP Ratio: 55% → 45%
  • E Damage: 52-120 → 50-120
  • R Damage: 150/250/350 → 125/225/325
  • R AP Ratio: 50% → 75%
Ekko
Ekko ▲ Buff
  • Q Mana Cost: 50/60/70/80/90 → 40/50/60/70/80
  • Q Return Damage AP Ratio: 60% → 70%
Kassadin
Kassadin ▲ Buff
  • Q AP Ratio: 70% → 80%
  • R Base Damage: 70/90/110 → 80/95/110
Master Yi
Master Yi ▲ Buff
  • Armor Growth: 33 + 4.5/level → 33 + 5/level
  • R Move Speed: 35/45/55% → 40/50/60%
Nautilus
Nautilus ▼ Nerf
  • Attack Damage: 61 + 3.3/level → 58 + 3.3/level
  • Q Damage: 85/130/175/220/265 → 85/125/165/205/245
Seraphine
Seraphine ▼ Nerf
  • E Cooldown: 11/10.5/10/9.5/9s → 11s flat
Syndra
Syndra ▼ Nerf
  • Passive Splinter Mana: 20-255 → 20-199
  • W Cooldown: 12/11/10/9/8s → 13/12/11/10/9s
Viego
Viego ▲ Buff
  • Attack Damage Growth: 3.5 → 4
  • Passive heal now scales further with bonus AD/AP/bonus attack speed/bonus HP
Zaahen
Zaahen ▲ Buff
  • Q now goes on cooldown immediately on resurrection (new)
  • Q2 Damage: 25/50/75/100/125 → 30/60/90/120/150
Zeri
Zeri ▼ Nerf
  • W bonus AD ratio: 120% → 100%
  • W wall-impact bonus AD ratio: 180% → 150%
Guinsoo's Rageblade
Guinsoo's Rageblade ▲ Buff
  • Seething Strike stack duration: 3s → 4s
Spin to Win (ARAM augment) ▲ Buff
  • Ultimate damage increase: 30% → 50%
Ultra Hydra (ARAM augment) ◆ Adjustment
  • Can no longer sell Hydra items while this augment is active (new)
Read full article →
Patch 26.17
August 25, 2026
Patch 26.17. League Classic gets two extra rune pages, more IP/XP per game, champion select swapping, and a Council voting system. Full balance changes below.
Aurelion Sol
Aurelion Sol ▲ Buff
  • Q Mana Cost Per Second: 35/40/45/50/55 → 30/35/40/45/50
  • W Cooldown: 22/20.5/19/17.5/16s → 22/20/18/16/14s
Cho'Gath
Cho'Gath ▲ Buff
  • E Base Damage (3 attacks): 20/40/60/80/100 → 30/50/70/90/110 (+30% AP unchanged)
Graves
Graves ▼ Nerf
  • Q initial damage bonus AD ratio: 65% → 55%
  • Q return damage bonus AD ratio: 55/70/85/100/115% → 45/60/75/90/105%
Irelia
Irelia ▲ Buff
  • Q AD ratio: 70% → 80%
  • W damage reduction per 100 AP: 7% → 8%
  • R AP ratio: 70% → 100%
LeBlanc
LeBlanc ▲ Buff
  • Base attack speed ratio: 0.4 → 0.625
  • Attack speed growth: 2.35% → 1.5%
  • W AP ratio: 80% → 90%
  • R+W AP ratio: 80% → 90%
Nasus
Nasus ▼ Nerf
  • Passive lifesteal: 12/18/24% → 10/15/20%
Nocturne
Nocturne ▼ Nerf
  • Base armor: 38 → 36
  • Base health: 655 → 640
Qiyana
Qiyana ◆ Adjustment
  • Q damage: 70/100/130/160/190 → 80/110/140/170/200 (bonus AD ratio 85% → 90%)
  • Q monster damage modifier: 175% → 160%
Thresh
Thresh ▼ Nerf
  • E active damage: 75/120/165/210/255 → 65/110/155/200/245 (AP ratio 70% → 60%)
Trundle
Trundle ▲ Buff
  • W attack speed: 30/45/60/75/90% → 30/50/70/90/110%
Vayne
Vayne ▼ Nerf
  • Base health: 550 + 103/level → 580 + 98/level
  • Base health regen: 3.5 + 0.55/level → 4 + 0.5/level
  • Base attack speed ratio: 0.658 + 3.3%/level → 0.67 + 2.8%/level
  • Q mana cost: 30 → 46/42/38/34/30
  • W true damage (% target max HP): 6/7/8/9/10% → 4/5.5/7/8.5/10%
  • W minimum damage: 50/65/80/95/110 → 40/55/70/85/100
Xerath
Xerath ▼ Nerf
  • Base health: 596 → 575
  • Q damage: 75/115/155/195/235 → 70/110/150/190/230 (90% AP ratio unchanged)
Yasuo
Yasuo ▲ Buff
  • Passive crit damage taken reduction: -10% → -5%
Yone
Yone ▲ Buff
  • Passive crit damage taken reduction: -10% → -5%
Stormrazor
Stormrazor ▲ Buff
  • Attack speed: 20% → 25%
Sundered Sky
Sundered Sky ▼ Nerf
  • Health: 450 → 400
  • Attack damage: 45 → 40
Read full article →
Patch 26.16
August 11, 2026
Patch 26.16. Three more classic champions (Akali, Kennen, Shen) and several system mechanics adjusted to diversify the bot lane meta. Full balance changes below.
Azir
Azir ▲ Buff
  • Q damage: 60/80/100/120/140 → 75/95/115/135/155 (+35-55% AP unchanged)
Bel'Veth
Bel'Veth ▼ Nerf
  • Health growth: 110 → 105
  • R true form attack speed: 5/15/25% → 6/13/20%
Camille
Camille ◆ Adjustment
  • Mana: 339 → 375
  • Passive shield: 20% max health → 10/15/20/25% max health (levels 1/7/13/19)
  • Passive cooldown: 18/14/10/6s → 14/11/8s (levels 1/7/13)
  • W cooldown: 15/14/13/12/11s → 12/11.5/11/10.5/10s
  • W outer cone damage: 6/6.5/7/7.5/8% → 7/7.5/8/8.5/9% (+2.5% per 100 bonus AD)
Gwen
Gwen ▲ Buff
  • Passive heal: 50% post-mitigation, capped 10-25 (+6.5% AP) → 67%, capped 12-40 (+7% AP)
Kennen
Kennen ▲ Buff
  • R bonus resistances: 20/40/60 → 25/50/75
  • R damage: 40/75/110 (+22.5% AP) → 40/80/120 (+25% AP)
  • R maximum damage: 300/562.5/825 → 300/600/900
Nasus
Nasus ◆ Adjustment
  • Q stacks per minion/monster: 3 (12 vs champions/large minions/monsters) → 4 (10 vs champions/large minions/monsters)
Poppy
Poppy ◆ Adjustment
  • Attack damage: 60 → 56
  • Health regen: 8 → 9
  • Mana: 280 + 40/level → 300 + 45/level
  • Q bonus AD ratio: 100% → 75% (+7-9% max health scaling by level)
  • Q monster cap: 75/105/135/165/195 → 85/120/155/190/225
  • Q slow: 20/25/30/35/40% → 20/23/26/29/32% (+8% per 1000 bonus health)
  • W total armor/MR: 12% (doubled below 40% HP) → 16% (doubled below 40% HP)
Berserker's Greaves
Berserker's Greaves ▲ Buff
  • Attack speed: 25% → 30%
  • Attack speed (T3): 40% → 45%
Black Cleaver
Black Cleaver ▲ Buff
  • Attack damage: 40 → 45
  • Fervor move speed: 20 for 2s → 20 melee / 10 ranged for 2s
Eclipse
Eclipse ▲ Buff
  • Damage: 6% max health melee / 4% ranged → 8% / 5%
  • Shield: 160 + 40% bonus AD melee / 80 + 20% ranged → 150 + 40% / 75 + 20%
Runaan's Hurricane
Runaan's Hurricane ▲ Buff
  • Move speed: 4% → 5%
  • Wind's Fury bolt damage: 55% AD → 65% AD
Sterak's Gage
Sterak's Gage ▲ Buff
  • Bonus attack damage: 45% base AD → 50% base AD
Sundered Sky
Sundered Sky ▼ Nerf
  • Recipe: Tunneler + Caulfield's Warhammer + Ruby Crystal (400g) + 500g → Tunneler + Caulfield's Warhammer + 900g
  • Healing: 100% base AD melee / 50% ranged + 6% missing health → 90% / 45% + 4% missing health
  • Health: 400 → 450
Sunfire Aegis
Sunfire Aegis ◆ Adjustment
  • Damage: 20 (+1% bonus health) → 20 (+1.5% bonus health)
  • Minion/monster modifier: 160% / 200% → 150% / 180%
  • Recipe cost: 600g → 700g
Tiamat
Tiamat ▲ Buff
  • Attack damage: 20 → 25
Fleet Footwork
Fleet Footwork ▲ Buff
  • Healing: 10-130 → 15-160 (bonus AD/AP scaling unchanged)
Hail of Blades
Hail of Blades ▼ Nerf
  • Attack speed: 120% melee / 60% ranged → 90% / 60%
  • Bonus true damage: 4-20 (+8% bonus AD, +6% AP) → 2-20 (+12% bonus AD, +10% AP)
Support Role Quest ▼ Nerf
  • Stacks needed (champion/turret): 22/20 and 24/22 melee/ranged → 18 and 21
  • Off-lane minion penalty: -25% until level 3 → -33% until level 5
Read full article →