League of Legends Patch 16.15 patch notes — Worlds prep begins

Patch 16.15 is the first Worlds prep patch of the season. Riot is using the next 5 patches (15-19) to stabilize the meta before Worlds 2026, which starts October 16 in the US. This patch focuses on three goals: (1) buff underperforming junglers, (2) nerf overperforming top-laners, and (3) ship the long-awaited Warding system overhaul.

Patch 16.15 hits live servers on August 13, 2026.

Highlights

• 3 junglers buffed — Vi, Lee

Sin, Viego get meaningful buffs after months of underperformance

• 2 top-laners nerfed — Camille

and Renekton finally get hit after dominating pro play for 2 years

• Warding system overhaul —

Trinket system replaced with Warding system, see below

• 1 new skin — Worldbreaker

Vayne, the Worlds 2026 login skin

• **Balance changes to 18

champions** total (9 buffs, 6 nerfs, 3 adjustments)

Jungle buffs (the big story)

The jungle role has been dominated by Wukong, Briar, and Kha'Zix since Patch 16.5. The 3 underperforming junglers (Vi, Lee Sin, Viego) get meaningful buffs:

• Vi: Q damage 60/90/120/150/180

→ 70/100/130/160/190. E bonus AD ratio 110% → 130%. R cooldown 120/100/80 → 100/85/70s. Riot wants Vi back in pro play — she hasn't been a meta pick since Spring 2025.

• Lee Sin: Base armor 34 →

1. Q damage 55/80/105/130/155

→ 60/85/110/135/160. W shield 50/90/130/170/210 → 60/100/140/180/220. Lee Sin is the most-played jungler in solo queue but the lowest win rate (49%). The buffs should bring him back to 51-52% without making him oppressive.

• Viego: Base attack speed

0.658 → 0.685. Passive AD ratio 50% → 60%. R cooldown 120/100/80 → 110/95/75s. Viego is the highest-skill-cap jungler and the buffs reward mastery without buffing low-level play.

Top-lane nerfs (the other big story)

Camille and Renekton have been top-lane bullies for 2 years. The nerfs:

• Camille: Passive shield

duration 2s → 1.5s. E damage 70/105/140/175/210 → 60/95/130/165/200. R bonus HP ratio 20/30/40% → 15/25/35%. Camille is the most-banned top in pro play and the nerfs bring her back to a healthy 51-52% win rate in solo queue.

• Renekton: Q heal 15/30/45/60/75

→ 10/25/40/55/70. W stun duration 1.5s → 1.25s. R bonus HP 300/500/700 → 250/400/550. Renekton has been a top-lane terror since Season 14 and the nerfs bring him back to a manageable 50-51% win rate.

Warding system overhaul (the big change)

After 2 years of player feedback, Riot is replacing the Trinket system with a new Warding system. The changes:

• Wards are now free (no

Trinket slot, no 1-ward limit). You can place as many wards as you have gold for.

• Ward gold cost is now 0

(was 0 for Trinket, but Trinket had a long cooldown). You can spam wards as fast as you can place them.

• **Control Ward gold cost is

now 50** (was 75). Control Wards are now more accessible.

• Warding totem removed.

You can only place Sight Wards and Control Wards.

Riot's reasoning: The Trinket system forced supports to choose between combat summoners (Ignite, Exhaust) and utility summoners (the Trinket). Removing Trinkets and making wards free means supports can take both Ignite and Exhaust, and wards are now a real strategic resource (limited by gold, not by slot).

Pro play impact: The Warding overhaul is a huge buff to vision control. Pro teams will be able to ward the entire map in mid-late game, which favors teamfight-oriented compositions over split-push. Expect more 5v5 teamfights at Worlds 2026.

Bug fixes

• Vayne: Fixed a bug where

Tumble would sometimes fail to register the critical strike. This was a 5-year-old bug that only affected 0.1% of Vayne players.

• Yorick: Fixed a bug where

Maiden of the Mist would sometimes fail to spawn after R. This was a 2-year-old bug.

• Zed: Fixed a bug where

Death Mark would sometimes trigger on allies. This was a 6-year-old bug that thankfully only affected 0.01% of Zed players.

Performance

• **15% FPS improvement on

Summoner's Rift** — Riot finally fixed the long-running FPS issue on Summoner's Rift that affected low-end PCs.

• **30% memory reduction on

Howling Abyss** — ARAM players on low-end PCs will see a significant memory reduction.

• Faster loading times —

Champion select now loads 20% faster.

Balance changes summary

Champion	Role	Change
Vi	Jungle	Buff
Lee Sin	Jungle	Buff
Viego	Jungle	Buff
Camille	Top	Nerf
Renekton	Top	Nerf
Wukong	Jungle	Nerf (minor)
Kha'Zix	Jungle	Nerf (minor)
Akali	Mid	Adjustment
Katarina	Mid	Adjustment
Yone	Mid	Buff (minor)
Yasuo	Mid	Buff (minor)
Jinx	Bot	Buff
Kai'Sa	Bot	Nerf (minor)
Aphelios	Bot	Buff
Lulu	Support	Buff
Karma	Support	Buff
Thresh	Support	Adjustment
Nautilus	Support	Nerf (minor)

Total: 9 buffs, 6 nerfs, 3 adjustments

What's next

Patch 16.16 (the next patch) is the last patch before Worlds. It will land September 9, 2026 and will be the patch played at Worlds 2026 (which starts October 16). Expect:

• More jungle buffs (Wukong

and Briar need further nerfs)

• More top-lane buffs (new

top-lane picks need to emerge for Worlds diversity)

• Final Warding system balance

changes based on week 1 feedback

• Any emergency nerfs to

overperforming pro picks

FAQ

When does Patch 16.15 go live?

August 13, 2026 for NA, EUW, and EUNE. August 14 for Asia servers.

Is Vi back in the meta?

Yes. The Q damage, E ratio, and R cooldown buffs are meaningful. Expect Vi to jump from 47% to 51-52% win rate and from 3% to 8-10% pick rate in solo queue.

Is Camille still playable after the nerfs?

Yes. The nerfs are meaningful but not gutting. Camille will be a strong but not oppressive top-lane pick. Expect her to drop from 53% to 51-52% win rate.

What's the Warding system overhaul?

Trinkets are removed. Wards are free but limited by gold. Control Wards cost 50g (down from 75g). This is a major vision control buff for supports.

What patch will Worlds 2026 be on?

Patch 16.16 (expected September 9, 2026). Worlds 2026 starts October 16 in the US.

Are there any pro-relevant changes in 16.15?

Yes. The Vi/Lee Sin/Viego jungle buffs, the Camille/ Renekton top nerfs, and the Warding system overhaul are all pro-relevant. The Warding change is the biggest — it will reshape vision control at Worlds.

Should I climb ranked on Patch 16.15?

Yes. The patch is a good time to climb — the meta is stabilizing and the buffs/ nerfs are focused on specific picks. Expect the meta to settle in 2-3 days.