League of Legends Patch 9.18 was released on Sep 5, 2019. This update included changes to 28 champions, with 9 buffs, 5 nerfs, 14 adjustments.
Nerfs (5)
W cost decreased; stun duration increased.
Parallel Convergence
- •Mana cost reduced to 30/35/40/45/50 from 50/55/60/65/70.
- •Stun duration increased to 2.25 seconds from 1.75.
R empowered damage amplifier and max empowered damage increased.
Last Caress
- •Bonus damage against low-health targets increased to 140% from 100%.
E base passive damage increased.
Divine Ascent
- •Aflame base damage increased to 15/15/35 (based on Starfire Spellblade's Rank) from 10/10/30 (based on Starfire Spellblade's Rank).
Starfire Spellblade
- •Passive base damage increased to 15/20/25/30/35 from 10/15/20/25/30.
Base health and attack damage increased. R damage increased.
Stats
- •Base health increased to 575 from 570.8.
- •Base attack damage increased to 70 from 69.18.
Dragon's Rage
- •Base damage increased to 175/400/625 from 150/375/600.
E slow increased early.
Make It Rain
- •Slow increased to 40/45/50/55/60% from 28/31/34/37/40%.
Passive damage increased.
More Sparkles!
- •Base damage increased to 16 to 130 (based on level) from 10 to 124 (based on level).
Passive now heals for less against minions. Q damage to minions reduced and flattened.
Deathbringer Stance
- •Healing against minions reduced to 25% from 100%.
The Darkin Blade
- •Damage against minions reduced to 40% at all levels from 50 to 100% (based on level).
R cooldown increased early. R1 stun removed. R2 base maximum damage decreased early.
Perfect Execution
- •Removed: No longer stuns for 0.5 seconds on first cast.
- •Second cast minimum base damage reduced to 65/140/215 from 85/150/215.
- •Second cast maximum base damage reduced to 195/420/645 from 255/450/645.
- •Cooldown increased to 160/130/100 seconds from 120/110/100.
E bonus attack speed decreased later.
Supercharge
- •Bonus attack speed reduced to 40/45/50/55/60% from 40/50/60/70/80%.
Base stats decreased. E slow now scales.
Stats
- •Health growth reduced to 82 from 90.
- •Armor growth reduced to 3 from 3.5.
- •Base mana reduced to 280 from 283.56.
- •Base mana regeneration reduced to 7 from 7.44.
Snowball Barrage
- •Slow strength reduced to 30/35/40/45/50% from 50% at all ranks.
Base armor decreased. R cooldown increased.
Stats
- •Base armor reduced to 25 from 28.
Featherstorm
- •Cooldown increased to 160/145/130 seconds from 140/125/110.
E now grants decaying movement speed; damage reduction decreased; cooldown increased.
Molten Shield
- •New Effect: Now grants 25 to 50.5% (based on level) bonus movement speed that decays over 1.5 seconds.
- •Damage reduction reduced to 10/13/16/19/22% from 16/22/28/34/40%.
- •Cooldown increased to 15 seconds from 10.
Summon Tibbers
- •Undocumented: Summon AP ratio increased to 75% AP from 65% AP.
Traveler's Call
- •Bug Fix: Meep cone attacks now properly break spell shields.
Moonsilver Blade
- •Bug Fix: Tooltip now properly updates when she ranks up Moonfall.
Harsh Lesson
- •Bug Fix: Can no longer issue an attack command before casting the ability to dash while rooted.
Acceleration Gate
- •Bug Fix: Now properly functions when cast on top of him.
Flame Chompers!
- •Bug Fix: Now properly prevent Akali from moving when she uses Perfect Execution through them.
Death Defied
- •Bug Fix: When in Death Defied, Wall of Pain now properly grants vision around the wall.
Wolf's Frenzy
- •Bug Fix: Wolf no longer grants additional, non-functional vision to Kindred when circling her.
Grand Starfall
- •Bug Fix: Pinging the ability now tells his teammates which enemies are in range.
Jack in the Box
- •Bug Fix: Fearing a target with a box now properly grants an assist if the target is killed shortly after.
Abyssal Voyage
- •Bug Fix: Allies on their way to enter Abyssal Voyage will no longer be stuck when Tahm Kench is hit by an enemy.
Threaded Volley
- •Bug Fix: Her position upon entering or leaving Worked Ground is now updated instantly instead of after 0.15 seconds. No longer causes the mana refund to trigger when launching 5 stone shards, or not cause it to trigger when launching one.
Q and W quality-of-life changes. R mushroom adjustments with more charges and infinite bounce.
Blinding Dart
- •New EFfect: Enemies now have a green tint on their screens when blinded.
Move Quick
- •New Effect: Ability icon now has a bar above it to show its active duration.
Noxious Trap
- •Mushrooms will now trigger more responsively, especially on enemies dashing through them quickly.
- •Removed: No longer detonates against Rift Scuttler who aren't in combat.
- •New Effect: Mushrooms can now bounce infinitely off of each, rather than once off of each other.
- •Charges increased to 3/4/5 from 3 at all ranks.
W now properly grants bonus attack speed against Blood Hunted enemies.
Blood Hunt
- •Bug Fix: Now properly gains bonus attack speed against all Blood Hunted enemies.

Aurelion Sol
Caitlyn
Ekko
Evelynn
Jhin
Kayle
Lee Sin
Miss Fortune
Zoe
Aatrox
Akali
Kai'Sa
Nunu & Willump
Xayah
Annie
Bard
Diana
Illaoi
Jayce
Jinx
Karthus
Kindred
Pantheon
Shaco
Tahm Kench
Taliyah
Teemo
Warwick