Base health regeneration decreased, attack speed increased. Q cooldown decreased early, mana cost decreased, Q tap windup time decreased. E cooldown increased late.

Stats

•Base health regeneration reduced to 6 from 7.5.
•Base attack speed increased to 0.658 from 0.644.
•Attack speed ratio increased to 0.658 from 0.644.

Comet Spear

•Cooldown reduced to 11/10.25/9.5/8.75/8 seconds from 13/11.75/10.5/9.25/8.
•Mana cost reduced to 25 from 30.
•Cast time reduced to 0.2 seconds from 0.25.

Aegis Assault

•Cooldown increased to 22/21/20/19/18 seconds from 22/20.5/19/17.5/16.

PC QiyanaBuff

Q base damage increased. E cooldown decreased.

Edge of Ixtal

•Base damage increased to 50/85/120/155/190 from 50/80/110/140/170.

Audacity

•Cooldown reduced to 11/10/9/8/7 seconds from 12/11/10/9/8.

PC RumbleBuff

E magic resist shred increased, total shred on two hits increased.

Electro Harpoon

•Magic resistance reduction increased to 12/14/16/18/20% from 10% at all ranks.
•Maximum magic resistance reduction increased to 24/28/32/36/40% from 20% at all ranks.
•Danger Zone magic resistance reduction increased to 18/21/24/27/30% from 15% at all ranks.
•Danger Zone maximum magic resistance reduction increased to 36/42/48/54/60% from 30% at all ranks.

PC SamiraBuff

Passive movement speed per stack increased.

Daredevil Impulse

•Bonus movement speed per stack changed to 2/2.5/3/3.5% from 1/2/3/4%.
•Maximum bonus movement speed changed to 12/15/18/21% from 6/12/18/24%.

PC TryndamereBuff

Health growth and AD growth increased.

Stats

•Health growth increased to 115 from 112.
•Attack damage growth increased to 4 from 3.7.

PC Aurelion SolNerf

Health growth and armor growth decreased. Q burst proc AP ratio decreased.

Stats

•Health growth reduced to 95 from 100.
•Armor growth reduced to 4.3 from 4.8.

Breath of Light

•Burst AP ratio reduced to 35% AP from 40% AP.
•Removed: Channel duration at maximum rank no longer takes current mana into account.
•New Effect: Channel duration at maximum rank now lasts 160 seconds.

Falling Star

•Bug Fix: Visual effects are no longer invisible inside terrain.

PC CaitlynNerf

Base armor decreased, base attack damage decreased.

Stats

•Base attack damage reduced to 60 from 62.
•Base armor reduced to 27 from 28.

Headshot

•Bug Fix: Empowered basic attack no longer cancels if the basic attack was issued outside of the attack range.

PC GangplankNerf

Passive damage decreased. E now shows all players how many kegs Gangplank has, keg recharge rate increased.

Trial by Fire

•Total base damage reduced to 50 to 250 (based on level) from 55 to 310 (based on level).
•Base damage per tick reduced to 5 to 25 (based on level) from 5.5 to 31 (based on level).

Powder Keg

•Recharge timer increased to 18 seconds at all ranks from 18/17/16/15/14.
•New Effect: Amount of barrels now display as a secondary resource on his mana bar.

PC RammusNerf

Attack damage growth decreased. Q base damage decreased.

Stats

•Attack damage growth increased to 2.75 from 3.5.

Powerball

•Base damage reduced to 100/125/150/175/200 from 100/130/160/190/220.

PC TwitchNerf

E AP ratio decreased.

Contaminate

•AP ratio per stack reduced to 30% AP from 35% AP.
•Maximum AP ratio reduced to 180% AP from 210% AP.

PC XayahNerf

E base damage decreased, cooldown increased.

Bladecaller

•Base damage per feather reduced to 50/60/70/80/90 from 55/65/75/85/95.
•Cooldown increased to 11/10.5/10/9.5/9 seconds from 10/9.5/9/8.5/8.

PC YorickNerf

Bonus damage from Ghouls decreased.

Mourning Mist

•Bonus Mist Walker damage reduced to 30% from 40%.

PC AkaliChange

Shuriken Flip

•Bug Fix: Recast can no longer bypass the boundaries of Realm of Death.

PC AnnieChange

Molten Shield

•Bug Fix: Reflect damage now properly triggers Spellthief's Edge Tribute.

PC AsheChange

Q mana cost decreased, empowered duration increased. W base damage decreased. R cooldown increased early, decreased late.

Ranger's Focus

•Mana cost reduced to 30 from 50.
•Duration increased to 6 seconds from 4.

Volley

•Base damage reduced to 10/25/40/55/70 from 20/35/50/65/80.

Enchanted Crystal Arrow

•Cooldown increased to 100/80/60 seconds from 80/70/60.

PC AzirChange

Base stats, passive, Q, W, and E all adjusted.

General

•Bug Fix: Now properly plays his voiceover interaction with Sivir.

Stats

•Base health reduced to 550 from 622.
•Armor growth increased to 5 from 4.2.
•Attack damage growth increased to 3.5 from 2.8.
•Base mana reduced to 320 from 380.
•Mana growth increased to 40 from 36.
•Attack speed ratio increased to 0.694 from 0.625.
•Attack speed growth increased to 5% from 3%.

Shurima's Legacy

•Cooldown reduced to 90 seconds from 180.
•Turret duration reduced to 30 seconds from 60.
•Turret damage type changed to magic from physical.
•Turret base attack damage increased to 230 to 410 (based on level) from 150.
•Turret attack damage AP ratio increased to 40% AP from 15% AP.
•Removed: Turret attack damage is no longer increased by 4 per minute.
•Removed: No longer deals 37.5% bonus damage against champions.
•New Effect: Damage now applies spell effects.
•Turret health increased to 1750 to 3000 (based on enemy champions in the game) (always 3000 in matchmade games) from 1300 to 2550 (based on enemy champions in the game) (always 2550 in matchmade games).
•Turret armor changed to 30 to 90 (based on level) from 60 at all levels.
•Turret magic resistance reduced to 30 to 90 (based on level) from 100 at all levels.
•Removed: Turret armor is no longer increased by 1 per minute.
•Removed: Turret magic resistance is no longer increased by 1 per minute.
•New Effect: Turret magic resistance is now reduced by 100 if Azir is either dead or away from it.
•Bug Fix: Turret no longer loses resistances while Azir is untargetable.

Conquering Sands

•Base damage reduced to 60/80/100/120/140 from 70/90/110/130/150.
•AP ratio increased to 35% AP from 30% AP.
•Mana cost increased to 65/70/75/80/85 from 55 at all ranks.

Arise!

•Removed: No longer passively grants 15/25/35/45/55% bonus attack speed, doubled for 5 seconds if he summons a third concurrent soldier.
•Base damage per level reduced to 0 to 14 for to 110 (based on level) from 50 to 150 (based on level).
•New Effect: Soldiers now have an additional base damage of 50/60/70/80/90.
•Bug Fix: Range indicator now displays correctly while controlling the soldiers to attack.

Shifting Sands

•Damage AP ratio reduced to 40% AP from 55% AP.

PC Dr. MundoChange

Maximum Dosage

•Bug Fix: Now properly gains the base health instantly upon cast, rather than after a 0-0.25-second delay.

PC DravenChange

League of Draven

•Bug Fix: No longer consumes all stacks to grant gold if an enemy champion was executed by Singularity.

PC EzrealChange

Essence Flux

•Bug Fix: Can no longer be triggered by a Mystic Shot that was block.

PC FioraChange

Riposte

•Bug Fix: Now properly prevents damage dealt by Basic Attack execute.

PC GarenChange

General

•Bug Fix: Mythmaker now has a separate SFX when attacking turrets.

PC IvernChange

Daisy!

•Bug Fix: Now properly despawns after the caster's death.

PC K'SanteChange

All Out

•Bug Fix: No longer goes on cooldown if the target dies at the exact same time as the cast time ended.

PC KalistaChange

Fate's Call

•Bug Fix: Oathsworn can now properly see the ability's VFX on their screen while under the effect of it.

PC KindredChange

General

•Bug Fix: Now properly plays their voice lines for buying jungle items.

PC LeBlancChange

Q now refunds 100% of mana and 30% of cooldown upon killing a unit, now deals bonus damage to minions. R bonus damage to minions is replicated on R > Q cast.

Sigil of Malice

•New Effect: Sigil now deals 10 to 146 (based on level) bonus damage against minions.
•New Effect: Now refunds 100% of mana cost and 30% of remaining cooldown if either part of the ability kills a target.

Mimic: Sigil of Malice

•New Effect: Sigil now deals 10 to 146 (based on level) bonus damage against minions.
•New Effect: Now refunds 100% of mana cost and 30% of remaining cooldown if either part of the ability kills a target.

PC Lee SinChange

Dragon's Rage

•Bug Fix: Knocked back target now properly knocks up allies they collide with at all times.

PC NidaleeChange

General

•Updated voice over.

PC Nunu & WillumpChange

Biggest Snowball Ever!

•Bug Fix: Snowball no longer gets stuck in place if it was released at exactly the same time the caster left the Fog of War.

PC RakanChange

General

•Bug Fix: Arcana arm no longer moves unnaturally during certain idle animations.
•Bug Fix: Star Guardian body is now properly invisible after dying.

Battle Dance

•Bug Fix: Shield VFX no longer persists even after the shield is fully destroyed.

PC SivirChange

General

•Bug Fix: Now properly plays her voiceover interaction with Azir.

PC Tahm KenchChange

Devour

•Bug Fix: Cast now properly triggers Radiant Virtue Guiding Light.

PC VeigarChange

General

•Bug Fix: Now properly plays his laugh voice line upon scoring a killing blow with Primordial Burst.

PC ViegoChange

Sovereign's Domination

•Bug Fix: No longer becomes permanently immune to Realm of Death after possessing Malzahar.
•Bug Fix: Ranges for Blade of the Ruined King and Harrowed Path no longer mimic that of Breath of Light after no longer possessing him.

PC YuumiChange

Yuumi rework, all abilities adjusted.

Stats

•Health growth reduced to 69 from 84.
•Base mana increased to 440 from 400.

Feline Friendship - New Innate

•Innate: Periodically, Yuumi's next basic attack (which has 50 bonus range), or ability hit against enemy champions will heal her for 25 to 110 (based on level) (+ 15% AP). If she is You and Me! to an ally within 4 seconds, they are healed for the same amount.
•Innate: While You and Me! to an ally, Yuumi grants them 2 permanent Friendship stacks for killing enemy champions and minions. The ally with the highest Friendship stacks becomes Yuumi's Best Friend, which empowers her abilities with additional effects while she is You and Me! to them.
•Static Cooldown: 20 to 10 (based on level) seconds.

Prowling Projectile

•Mana cost reduced to 50/55/60/65/70/75 from 90 at all ranks.
•Cooldown changed to 7.5/7.25/7/6.75/6.5/6.25 seconds from 13.5/12/10.5/9/7.5/6.
•Missile width reduced to 60 units from 65.
•New Effect: Now reveals champions hit for 1 second.
•Base damage increased to 60/90/120/150/180/210 from 50/80/110/140/170/200.
•AP ratio reduced to 20% AP from 30% AP.
•Empowered base damage increased to 80/140/200/260/320/380 from 60/100/140/180/220/260.
•Empowered AP ratio reduced to 35% AP from 40% AP.
•Channel duration reduced to 1.35 seconds from 2.
•Removed: No longer deals 3/4.2/5.4/6.6/7.8/9% of the target's current health if empowered, capped at 50 to 300 (based on level) against non-champions.
•New Effect: Empowered slow now decays over the duration.
•New Effect: Slow is now increased to 55/60/65/70/75/80% for 2 seconds if empowered.
•New Effect: While attached and after 1.35 seconds of flight, the missile becomes empowered and accelerates in its current direction.
•Best Friend Bonus: Slow will always be empowered against champions and hitting a champion will grant her Best Friend 10/12/14/16/18/20 (+ 10% AP) bonus magic damage on-hit for 5 seconds, increased by 0 to 75% (based on Anchor's critical strike chance).

You and Me!

•Removed: No longer grants herself or her ally 12/14/16/18/20 (+ 6/7/8/9/10%) adaptive force.
•Removed: No longer counts as a buff for Summon Aery.
•Best Friend Bonus: She gains 10 to 20% (based on ally's level) heal and shield power and her Best Friend gains 3/5/7/9/11 (+ 4% AP) on-hit healing, affected by her heal and shield power.

Zoomies

•Removed: No longer heals for 70/90/110/130/150 (+ 30% AP).
•New Effect: Now shields for 90/120/150/180/210 (+ 30% AP) for 3 seconds.
•Mana cost changed to 80/90/100/110/120 from 40/45/50/55/60 (+ 12% maximum mana).
•Bonus attack speed changed to 35% at all ranks from 25/30/35/40/45%.
•New Effect: Bonus attack speed now scales with 8% per 100 AP.
•New Effect: Bonus movement speed now lasts as long as the shield persists, instead of 3 seconds.
•New Effect: Now restores 20/24/28/32/36 mana to her Anchor, increased by 0 to 100% (based on Anchor's missing mana).
•Updated icon.

Final Chapter

•Number of waves reduced to 5 from 7.
•Duration unchanged.
•Wave interval time increased to 0.7 seconds from 0.5.
•New Effect: Can now steer the direction of the waves with her mouse if initially cast while attached. This bonus is lost if she detaches.
•Cooldown increased to 120/110/100 seconds from 110/100/90.
•Base damage per wave increased to 75/100/125 from 60/80/100.
•New Effect: Now heals her Anchor and allies hit for 35/50/65 (+ 15% AP) per wave. Excess healing is converted into a shield that persists until 3 seconds after the ability ends.
•Removed: No longer roots champions hit by 3 waves for 1.25 seconds.
•New Effect: Now slows enemies hit by 10% for 1.25 seconds, increased by 10% per subsequent wave.
•Best Friend Bonus: Her Best Friend gains 30% increased healing from waves and 20/40/60 (+ 10% AP) bonus armor and bonus magic resistance for the duration of the ability.

PC ZedChange

Base magic resist decreased. E cooldown decreased late.

Stats

•Base magic resistance reduced to 29 from 32.

Shadow Slash

•Cooldown reduced to 5/4.5/4/3.5/3 seconds from 5/4.75/4.5/4.25/4.

Items

Jungle Pets (Gustwalker HatchlingMosstomper SeedlingScorchclaw Pup)Buff

General

•Minion experience reduction increased to 60 to 25% (based on minutes) from 25% at all times.
•New Effect: Bonus damage against monsters now applies to monsters in the enemy jungle.

PCPlated SteelcapsBuff

Plated Steelcaps will now check for a much wider range of auto attacks so that when you bonk someone with a staff it really will be protected by Steelcaps.

General

•New Effect: Now also reduces instances of basic damage that apply proc damage or spell effects in the same damage instance.

PCArchangel's StaffNerf

General

•Ability power reduced to 70 from 80.

PCOracle LensNerf

General

•Cooldown increased to 120 to 60 (based on average champion level) seconds from 90 to 60 (based on average champion level).

PCSeraph's EmbraceNerf

General

•Ability power reduced to 70 from 80.
•Health reduced to 200 from 250.

PCAmplifying TomeChange

General

•Now builds into Cosmic Drive.

PCCosmic DriveChange

Cosmic Drive has been niche and unpopular for a while now. This stat change aims to make this item a more attractive purchase for damage-focused mages.

General

•New Recipe: Fiendish Codex + Aether Wisp + Amplifying Tome + 815 gold = 3000 gold.
•Old Recipe: Fiendish Codex + Aether Wisp + Ruby Crystal + 850 gold = 3000 gold.
•Ability power increased to 90 from 65.
•Health reduced to 0 from 200.