Patch Notes 7.3a All Changes

At a glance

18 changes listed below (12 champions, 4 items, 1 summoner spell, 1 other).

Buffed (3)Samira, Draven, Viego
Nerfed (10)Hwei, Rammus, Malphite, Caitlyn, Syndra, Yuumi, Whispering Circlet, Diadem of Songs, Death's Dance, Smite
Adjusted (5)Tristana, Senna, Swain, Yun Tal Wildarrows, Nexus & Turret Plating
Largest China-server win rate changeSamira (ADC) 41.89% → 51.71% (+9.82 pt)
Largest gold efficiency changeYun Tal Wildarrows 94.1% → 104.8% (+10.8 pt)
Largest combat power (Lv15) changeSamira +5.3%

Figures show the largest before/after change, picked by the numbers alone.

Champions

Combat power: Lv15, no items, both sides on today's formula. "After" is the value 3 days after release.

Target	Ver	Changes
HweiThe Visionary	7.3a	Signature of the Visionary Damage: 33 - 333 (Based on level) + 33%Ability Power → 40-285 (Based on level) + 30% Ability Power Subject: Disaster - Devastating Fire Damage: 50/90/130/170 + 75% Ability Power + 4%/5%/6%/7% Maximum Health → 50/85/120/155 + 70% Ability Power + 4%/5%/6%/7% Maximum Health Subject: Disaster - Severing Bolt Damage Ratio based on Health lost: 150%/200%/250%/300% → 100%/150%/200%/250% Spiraling Despair Explosion Damage: 250/350/450 + 75% Ability Power → 200/300/400 + 70% Ability Power Combat power Lv15-1.3% History7.3New7.3aNerf7.3bNerf
Samirathe Desert Rose	7.3a	Base Stats Health per level：128 → 136 Armor per level：5 → 5.5 Magic Resistance per level：1.4 → 2 Daredevil Impulse Minimum Attack Damage ratio for melee damage: 3.5% - 10.5% (Based on level) → 5.8% - 17% (Based on level) Maximum Attack Damage ratio for melee damage: 7% - 21% (Based on level) → 11.6% - 34% (Based on level) Flair Attack Damage ratio: 110% → 125% Inferno Trigger Attack Damage ratio per shot: 40% → 50% Combat power Lv15+5.3% History7.3Changed7.3aBuff7.3dNerf
Rammusthe Armordillo	7.3a	Base Stats Armor：45 → 40 Defensive Ball Curl Armor ratio: 45%/50%/55%/60% → 30%/40%/50%/60% Combat power Lv15-0.8% History7.1bChanged 7.3Changed7.3aNerf
MalphiteShard of the Monolith	7.3a	Thunderclap Armor Damage Ratio: 20% → 15% Ground Slam Armor Damage ratio: 45% → 40% Unstoppable Force Cooldown: 75/70/65s → 85/80/75s Combat power Lv15-0.3% History7.2eBuff 7.3Changed7.3aNerf7.3dNerf
Tristanathe Yordle Gunner	7.3a	Rapid Fire Attack Speed: 50/75/100/125% → 60/80/100/120% Rocket Jump Cooldown: 22/20/18/16s → 20/18/16/14s Explosive Charge Explosion Damage: (80/100/120/140 + 100% Bonus Attack Damage + 50% Ability Power) × (1 + Critical Rate × 40% + (Crit Damage - 2) × 40% × Critical Rate) → (80/110/140/170 + 120% Bonus Attack Damage + 50% Ability Power) × (1 + Critical Rate × 50% + (Crit Damage - 2) × 50% × Critical Rate) Combat power Lv15+0.9% History7.0fChanged 7.1dChanged 7.3Changed7.3aAdjusted
Draventhe Glorious Executioner	7.3a	Spinning Axe Bonus Attack Damage ratio: 80/90/100/110% → 90/100/110/120% Blood Rush Attack Speed: 20/25/30/35% → 25/30/35/40% Whirling Death Bonus Attack Damage ratio: 130% → 150% Combat power Lv15Not reflected in combat power (Lv15, no items) History7.3Changed7.3aBuff
Caitlynthe Sheriff of Piltover	7.3a	Base stats Attack Speed per level: 0.04 → 0.025 Headshot 60% -100% (Based on level) → 60% -90% (Based on level) Combat power Lv15-0.7% History7.2dBuff 7.3Changed7.3aNerf
Sennathe Redeemer	7.3a	Base Stats Attack Speed ratio: 0.4 → 0.3 Base Attack Speed: 0.4 → 0.3 Base Bonus Attack Speed0.6 → 1.1 Attack Speed per level: 0.05 → 0.025 Bonus Attack Speed now provides less benefit toward reducing her basic attack windup. Combat power Lv15-0.6% History7.2aAdjusted 7.3Changed7.3aAdjusted7.3bNerf
SyndraThe Dark Sovereign	7.3a	Transcendent Upgrade threshold: 40/60/80/100/120 → 50/75/100/125/150 Force of Will Ability Power ratio: 60% → 50% Slow: 20%/25%/30%/35% → 25% Combat power Lv15-0.3% History7.2Changed 7.2dBuff 7.3Changed7.3aNerf
SwainThe Noxian Grand General	7.3a	Ravenous Flock Health Restored: 3% - 4.5% (Based on level) + 0.5% Ability Power → 4.5% - 6% + 0.2% Ability Power Nevermove Ability Power ratio of the repeated damage: 25% → 40% Combat power Lv15+0.7% History7.1bChanged 7.2eNerf 7.3Changed7.3aAdjusted
Yuumithe Magical Cat	7.3a	You and Me! Healing and Shield Power: 8%/9%/10%/11% + 0.02% Ability Power → 6%/7%/8%/9% + 0.01%a Ability Power Combat power Lv15Not reflected in combat power (Lv15, no items) History7.2aBuff 7.2dBuff 7.3Changed7.3aNerf
ViegoThe Ruined King	7.3a	Blade of the Ruined King Passive Damage: 2%/3%/4%/5% → 3%/4%/5%/6% Crit Damage ratio: 80% → 85% Heartbreaker Crit stats ratio: 50% → 70% Combat power Lv15Not reflected in combat power (Lv15, no items) History7.1fChanged 7.3Changed7.3aBuff

Items

Gold efficiency as in the item list. "After" is the value 3 days after release.

Target	Ver	Changes
Yun Tal Wildarrows	7.3a	Base Stats Attack Speed: 25% → 35% Flurry Attack Speed: 25% → 35% Cooldown: 20s → 25s Gold efficiency94.1% → 104.8% (+10.8 pt) History7.3Changed7.3aAdjusted7.3bBuff Champions that tend to build this itemTristana Xayah Sivir Zeri Jinx
Whispering Circlet	7.3a	Harmony Healing and Shield Power: 0.5% → 0.25% Gold efficiency54.6% (not reflected in gold efficiency) History7.3Changed7.3aNerf7.3dNerf Champions that tend to build this itemSona Nami Soraka Seraphine Janna
Diadem of Songs	7.3a	Harmony Healing and Shield Power: 0.5% → 0.25%
Death's Dance	7.3a	Base Stats Price: 3200 → 3300 Gold efficiency128.4% → 124.5% (-3.9 pt) History7.0cChanged 7.0fChanged 7.3Changed7.3aNerf Champions that tend to build this itemAatrox Ambessa Olaf Vi Irelia

Summoner Spells

	Target	Ver	Changes
	Smite	7.3a	Smite’s Damage to Jungle monsters per second: 30 - 198 (Based on level) → 22 - 162 (Based on level) History7.1gChanged 7.3Changed7.3aNerf

Systems

Target	Ver	Changes
Nexus	7.3a	Maximum Health：5500 → 4000
Turret Plating	7.3a	Armor and Magic Resistance gained after a plate falls: 30 → 20 Duration of Armor and Magic Resistance after a plate falls: 20s → 10s

China server win rate, before and after

Official Tencent figures (China server, Diamond+), as published. Changes reach the China server late, so "after" is the snapshot 3 days after release. Rows under 2% pick rate are dimmed.

Before: 2026-09-28 · After: 2026-10-02

Champion	Lane	Before09-28	After10-02	Diff	Before09-28	After10-02	Diff	Before09-28	After10-02	Diff
HweiNerf	Mid	56.11%	54.39%	-1.72	13.49%	10.93%	-2.56	SS	SS	Same
SamiraBuff	ADC	41.89%	51.71%	+9.82	3.94%	10.27%	+6.33	C	S	3 up
RammusNerf	Jungle	57.90%	57.33%	-0.57	7.48%	4.97%	-2.51	A	B	1 down
MalphiteNerf	Top	58.81%	55.30%	-3.51	13.58%	7.67%	-5.91	SS	SS	Same
TristanaAdjusted	ADC	45.43%	48.12%	+2.69	4.25%	11.73%	+7.48	C	A	2 up
DravenBuff	ADC	44.35%	46.57%	+2.22	3.64%	6.31%	+2.67	C	B	1 up
CaitlynNerf	ADC	52.73%	49.68%	-3.05	40.39%	22.38%	-18.01	SS	SS	Same
SennaAdjusted	Support	55.91%	52.74%	-3.17	15.94%	13.78%	-2.16	SS	SS	Same
SyndraNerf	Mid	53.47%	51.21%	-2.26	13.74%	6.84%	-6.90	SS	S	1 down
SwainAdjusted	Mid	47.54%	48.32%	+0.78	1.99%	3.49%	+1.50	C	B	1 up
YuumiNerf	Support	48.67%	48.95%	+0.28	12.23%	9.46%	-2.77	A	A	Same
ViegoBuff	Jungle	44.51%	46.16%	+1.65	2.64%	6.39%	+3.75	D	B	2 up

Other Ver.7 patches

7.3dPatch 7.3d changes2026-10-2811 champions, 6 items, 2 system changes
7.3cPatch 7.3c2026-10-22Only game-mode and similar changes, none listed here. Official patch notes
7.3bPatch 7.3b changes2026-10-158 champions, 6 items, 4 runes, 1 system change, 4 bug fixes
7.3Patch 7.3 changes2026-09-221 new champion, 141 champions, 82 items, 6 runes, 1 summoner spell, 15 system changes, 5 bug fixes
7.2ePatch 7.2e changes2026-09-095 champions, 4 items
7.2dPatch 7.2d changes2026-08-2613 champions, 2 items
7.2cPatch 7.2c changes2026-08-121 new champion, 9 champions, 11 items, 1 system change, 1 bug fix
7.2bPatch 7.2b changes2026-07-2910 champions, 5 items, 1 rune, 3 system changes, 4 bug fixes
7.2aPatch 7.2a changes2026-07-155 champions, 6 items, 4 bug fixes
7.2Patch 7.2 changes2026-07-081 new champion, 14 champions, 76 items, 33 runes, 10 system changes, 5 bug fixes
7.1hPatch 7.1h changes2026-06-248 champions, 1 item, 1 bug fix
7.1gPatch 7.1g changes2026-06-101 new champion, 4 champions, 2 items, 1 rune, 1 summoner spell, 1 system change, 2 bug fixes
7.1fPatch 7.1f changes2026-05-2710 champions, 13 bug fixes
7.1ePatch 7.1e changes2026-05-131 new champion, 8 champions, 3 items, 2 bug fixes
7.1dPatch 7.1d changes2026-04-288 champions, 4 runes
7.1cPatch 7.1c2026-04-22Only game-mode and similar changes, none listed here. Official patch notes
7.1bPatch 7.1b changes2026-04-1511 champions, 8 items, 6 bug fixes
7.1Patch 7.1 changes2026-04-0711 champions, 4 items, 30 runes, 1 system change
7.0gPatch 7.0g2026-03-25Only game-mode and similar changes, none listed here. Official patch notes
7.0fPatch 7.0f changes2026-03-186 champions, 1 item
7.0ePatch 7.0e2026-03-12Only game-mode and similar changes, none listed here. Official patch notes
7.0dPatch 7.0d changes2026-03-041 new champion, 6 champions, 6 items, 1 bug fix
7.0cPatch 7.0c changes2026-02-118 champions, 5 items, 3 runes
7.0bPatch 7.0b2026-02-03Only game-mode and similar changes, none listed here. Official patch notes
7.0aPatch 7.0a changes2026-01-285 champions, 4 items, 8 bug fixes
7.0Patch 7.0 changes2026-01-2111 champions, 21 items, 2 system changes

Source: Official patch notes 7.3a