League of Legends Patch 13.15 was released on Aug 1, 2023. This update included changes to 32 champions, with 10 buffs, 7 nerfs, 15 adjustments.
Changes (15)
Items
Nerfs (1)
Passive critical strike chance scaling increased. R critical strike chance additional damage increased.
Headshot
- •Critical strike chance ratio increased to (142.1875% + Infinity Edge) critical strike chance from (131.25% + Infinity Edge).
Ace in the Hole
- •Critical strike chance ratio increased to 0 to 35% (based on critical strike chance) from 0 to 25%.
AD growth increased. R on-hit damage increased.
Stats
- •Attack damage growth increased to 3.8 from 3.5.
The Hextech Ultimatum
- •Base damage increased to 20/30/40 from 5/10/15.
Base health regeneration increased. W bonus armor and MR increased.
Stats
- •Base health regeneration increased to 9 from 8.5.
Hallowed Mist
- •Base bonus resistances increased to 22/24/26/28/30 from 17/19/21/23/25.
UPGRADE!!!
- •H-28Q Apex Turret
- •Base health changed to 725 to 1525 (based on level) from 850 to 1450 (based on level).
- •Health AP ratio changed to 50% AP at all levels from 25 to 200% (based on level) AP.
- •Armor increased to 30 to 90 (based on level) from 10 to 80 (based on level).
- •Magic resistance increased to 30 to 90 (based on level) from 25 to 65 (based on level).
Passive bonus movement speed increased. Q base damage increased.
Surging Tides
- •Base bonus movement speed increased to 100 from 90.
- •AP ratio increased 25% AP from 20% AP.
Aqua Prison
- •Base damage increased to 90/145/200/255/310 from 75/130/185/240/295.
Multiple QoL adjustments made to Rell.
Break the Mold
- •Bug Fix: Q, Ferromancy: Crash Down, Ferromancy: Mount Up, and Magnet Storm no longer apply the resistances reduction before their damage.
Shattering Strike
- •Bug Fix: Targeting direction now remains absolute during the cast.
Ferromancy: Mount Up
- •Empowered attack dash speed has been increased.
- •Bug Fix: Now properly applies the bonus damage to epic monsters at all times.
- •Bug Fix: Empowered attack no longer sometimes fails to trigger against the Rift Scuttler.
- •Bug Fix: Empowered attack now properly deals its damage to monsters.
Full Tilt
- •Bug Fix: Now properly calculates Break the Mold resistances reduction for all stacks rather than excluding one of them.
Q damage increased. E cooldown decreased early, damage to monsters increased.
Threaded Volley
- •Base damage per stone increased to 50/70/90/110/130 from 45/65/85/105/125.
Unraveled Earth
- •Cooldown reduced to 16/15.5/15/14.5/14 seconds from 18/17/16/15/14.
- •Monster damage increased to 175% from 150%.
Passive shield scaling adjusted.
Way of the Wanderer
- •Base shield increased to 125 to 600 (based on level) (now uses level growth formula) from 125 to 600 (based on level).
W shield strength increased.
Spirit Cleave
- •Base shield increased to 60 to 80 (based on level) from 45 to 65 (based on level).
Q damage decreased.
The Darkin Blade
- •First cast AD ratio reduced to 60/67.5/75/82.5/90% AD from 60/70/80/90/100% AD.
- •Second cast AD ratio reduced to 75/84.375/93.75/103.125/112.5% AD from 75/87.5/100/112.5/125% AD.
- •Third cast AD ratio reduced to 90/101.25/112.5/123.75/135% AD from 90/105/120/135/150% AD.
- •First cast sweetspot AD ratio reduced to 96/108/120/132/144% AD from 96/112/128/144/160% AD.
- •Second cast sweetspot AD ratio reduced to 120/135/150/165/180% AD from 120/140/160/180/200% AD.
- •Third cast sweetspot AD ratio reduced to 144/162/180/198/216% AD from 144/168/192/216/240% AD.
- •Maximum AD ratio reduced to 360/405/450/495/540% AD from 360/420/480/540/600% AD.
Summon: Tibbers
- •Tibbers base resistances changed to 30 to 90 (based on level) from 30/60/90.
- •Removed: Tibbers' resistances no longer scale with 5% AP.
- •Tibbers base health changed to 1150 to 3500 (based on level) from 1300/2200/3100.
- •Tibbers health AP ratio reduced to 50% AP from 75% AP.
- •Bug Fix: Pet can now consistently be commanded to attack inhibitors and the Nexus via their controller spells or automatic attack priorities.
- •This was fixed but not documented in V13.14.
Magic resistance decreased. W ally on-hit damage increased. E shield strength adjusted. R Daisy! duration decreased, armor and MR decreased, health decreased, attack damage decreased.
Stats
- •Base magic resistance reduced to 30 from 32.
- •Magic resistance growth reduced to 1.3 from 2.05.
General
- •Bug Fix: VFX of some of his abilities now correctly appear.
Brushmaker
- •Ally base damage increased to 10/15/20/25/30 from 5/7.5/10/12.5/15.
Triggerseed
- •Base shield increased to 85/125/165/205/245 from 80/115/150/185/220.
- •Shield AP ratio reduced to 50% AP from 75% AP.
- •Bug Fix: Slow application now properly triggers effects that interact with slows.
Daisy!
- •Daisy duration reduced to 45 seconds from 60.
- •Daisy base health changed to 1000 to 4400 (based on level) from 1300/2600/3900.
- •Daisy base resistances changed to 30 to 90 (based on level) from 20/50/100.
- •Removed: Daisy resistances no longer scale with 5% AP.
- •Daisy attack AP ratio reduced to 15% AP from 30% AP.
Stats
- •Base health reduced to 640 from 670.
Icathian Rain
- •AP ratio per missile reduced to 20% AP from 30% AP.
Void Seeker
- •Cooldown refund reduced to 75% from 77%.
Q damage to monsters decreased.
Bramble Smash
- •Bonus monster damage reduced to 80/100/120/140/160 from 100/120/140/160/180.
W base damage decreased.
Winter's Wrath
- •First hit base damage reduced to 10/15/20/25/30 from 20/25/30/35/40.
- •Second hit base damage reduced to 20/60/100/140/180 from 30/70/110/150/190.
AD growth decreased, health growth decreased.
Stats
- •Attack damage growth reduced to 3 from 3.4.
- •Health growth reduced to 104 to 109.
Dirty Fighting
- •Bug Fix: Now properly triggers the second shot when attacking W and I.
The Skies Descend
- •Bug Fix: Casting the ability now properly updates the ultimate cooldown indicator in the UI.
Demon Shade
- •Bug Fix: No longer has a VFX issue after exiting stealth from either the innate itself or R.
Mecha Kingdoms
- •Counter Strike
- •Bug Fix: VFX indicator no longer remains after the fact even if multiple hits were dodged during the ability.
General
- •Bug Fix: Animations when using several abilities now play more smoothly.
We Are More
- •Bug Fix: Packmates are now properly affected by the teleport cheat in Practice Tool.
Hounds' Pursuit
- •Bug Fix: Casting the ability at a very specific distance and range to the target no longer causes her to incorrectly collide with spells and traps past the target.
- •Bug Fix: Packmates now properly dash to the target even if they became untargetable during the channel.
Soul Fighter
- •Bug Fix: On-hit VFX for Packmates now properly appear while using a chroma for the skin.
Paranoia
- •Bug Fix: No longer applies the nearsight debuff to Neeko while she is disguised as a non-champion with I.
Thrill of the Hunt
- •Bug Fix: On-screen warning effects for enemies have been restored.
Spell Flux
- •Bug Fix: VFX overlay now properly appears on the target.
Realm Warp
- •Bug Fix: VFX overlay now properly appears on the ground.
Hallucinate
- •Bug Fix: Clone no longer mimics his moving animation during Q if the ability was cast during it.
Poison Trail
- •Bug Fix: Now properly targets and deals damage to the Baron Nashor.
Final Hour
- •Bug Fix: Casting Tumble now properly triggers the invisibility.
Rite of the Arcane
- •Bug Fix: Stacking damage buff is now properly applied to the last recast.
Eulogy of the Isles
- •Maiden base health changed to 400 to 1650 (based on level) from 350/1100/3300.
- •Maiden health ratio reduced to 60% of Yorick's maximum health from 75%.
- •New Effect: The Maiden now has 10 to 50 (based on level) armor and magic resistance.
- •New Effect: The Maiden now regenerates 2.5 health per second.
Battle Principal and Heartseeker
- •Prowling Projectile
- •Bug Fix: VFX now correctly adjusts to the size of the W.
- •Final Chapter
- •Bug Fix: VFX now correctly adjusts to the size of the W.
Items
One of Night Harvester's best users is the item Statikk Shiv, which is below the bar for counter-play of the effect. We're taking the time to make its application more consistent with other items, requiring casting an ability or at least inflicting auto attack damage.
General
- •Removed: Soulrend no longer triggers from damage that does not apply spell effects, with the exception of basic attack damage.
General
- •Bug Fix: Tooltip now displays the accurate cooldown refund percentage rather than 0%.
General
- •Bug Fix: No longer is once again triggered by Font of Life healing on allies.
General
- •Bug Fix: Buying multiple Elixirs no longer causes the cooldown timer to visually reset even if the cooldown was not incurred.
General
- •Bug Fix: Buying multiple Elixirs no longer causes the cooldown timer to visually reset even if the cooldown was not incurred.
General
- •Bug Fix: Buying multiple Elixirs no longer causes the cooldown timer to visually reset even if the cooldown was not incurred.
General
- •Bug Fix: Now grants the correct amount of movement speed even under certain conditions.

Caitlyn
Camille
Gwen
Heimerdinger
Kassadin
Nami
Rell
Taliyah
Yasuo
Yone
Aatrox
Annie
Ivern
Kai'Sa
Maokai
Sejuani
Shyvana
Akshan
Aurelion Sol
Evelynn
Jax
Katarina
Naafiri
Nocturne
Rengar
Ryze
Shaco
Singed
Vayne
Xerath
Yorick
Yuumi
Night Harvester
Axiom Arc
Echoes of Helia
Elixir of Iron
Elixir of Sorcery
Elixir of Wrath
Trinity Force