League of Legends Patch 10.4 was released on Feb 18, 2020. This update included changes to 34 champions, with 13 buffs, 2 nerfs, 19 adjustments.
Nerfs (2)
Changes (19)
Items
Buffs (7)
Nerfs (1)
Q dash speed increased. R cooldown decreased and now stops dashes.
Bandage Toss
- •Dash speed increased to 1800 from 1350.
Curse of the Sad Mummy
- •Cooldown reduced to 130/115/100 seconds from 150/130/110.
- •New Effect: Now stops enemies in the middle of their dashes.
Bonus AS at level 1 increased.
Stats
- •Bonus attack speed at level 1 increased to 20% from 10%.
Pulsefire
- •Ace in the Hole
- •Bug Fix: UI overlay now properly appears when she casts the ability.
Hemorrhage
- •New Effect: Bleed now deals 20% bonus damage against monsters.
Decimate
- •New Effect: Now also heals off of large monsters hit.
Moonsilver Blade
- •New Effect: Now deals 150% damage against non-epic monsters.
Base MS increased. Passive Mini Gnar MS decreased. R damage ratios increased.
Stats
- •Base movement speed increased to 335 from 325.
Rage Gene
- •Gnar bonus movement speed reduced to 0 to 20 (based on level) from 10 to 30 (based on level).
Hyper
- •Damage cap against monsters increased to 300 at all ranks from 100/150/200/250/300.
GNAR!
- •Bonus AD ratio increased to 50% bonus AD from 20%.
- •AP ratio increased to 100% AP from 50% AP.
Base mana and mana growth increased. Q base damage increased.
Stats
- •Base mana increased to 375 from 357.2.
- •Mana growth increased to 45 from 37.
To the Skies!
- •Base damage increased to 55/95/135/175/215/255 from 45/80/115/150/185/220.
Q damage increased; cooldown decreased early. Lux can now Flash while casting R.
Light Binding
- •Base damage increased to 80/125/170/215/260 from 70/115/160/205/250.
- •AP ratio reduced to 60% AP from 70% AP.
- •Cooldown reduced to 11/10.5/10/9.5/9 seconds from 13/12/11/10/9.
Final Spark
- •New Effect: Can now cast Flash while casting.
Darkness Rise
- •Damage cap against monsters increased to 25 to 120 (based on level) from 15 to 100 (based on level).
Base AS and AS ratio increased.
Stats
- •Base attack speed increased to 0.656 from 0.625.
- •Attack speed ratio increased to 0.656 from 0.625.
Q damage increased later.
Chain Lash
- •Lash base damage increased to 40/60/80/100/120 from 40/55/70/85/100.
Blade's End
- •New Effect: Bleed now deals 120% damage against monsters.
- •New Effect: Now triggers against all monsters.
Time between stance changes decreased per Cloud Drake buff.
General
- •New Effect: Cloudbringer's Grace now reduces Udyr's global cooldown by 5/10/15/20% (based on stacks).
Contempt for the Weak
- •New Effect: Now deals 200% damage against monsters.
- •Damage cap against monsters increased to 200/350/500 (at level 1/7/17) from 120/240/360 (at level 1/7/17).
W active star damage decreased.
Celestial Expansion
- •Active bonus damage reduced to 40% from 50%.
Base health and armor decreased.
Stats
- •Base health reduced to 580 from 610.
- •Base armor reduced to 34 from 37.
Players can now see both of Aphelios' guns. Calibrum no longer resets basic attack timer after consuming a mark. Crescendum sentries die faster. R range decreased.
Weapons of the Faithful
- •New Effect: Players can now see both guns he is holding next to his health bar.
Calibrum
- •Removed: No longer resets Aphelios' basic attack timer 0.2 seconds after triggering the mark.
Sentry
- •Range indicator is now red for enemies when inactive.
- •Base number of attacks reduced to 3 from 4.
- •Turret damage taken from ranged attacks increased to 3 from 2.
- •Turret damage taken from AoE abilities increased to 4 from 2.
- •Bug Fix: No longer occasionally dies upon being activated.
Moonlight Vigil
- •Visual effects adjusted to be clearer in game.
- •Target range reduced to 1300 units from 1600.
General
- •Bug Fix: Fixed an issue where his damage penalty was not properly applying in ARAM.
Essence Flux
- •Bug Fix: Orb now has a debuff icon when it attaches to a target.
Increased Q empowered basic attack damage ratio. Increased W resistances after max from enemy kills. W shield increased.
Decisive Strike
- •AD ratio increased to 50% AD from 40% AD.
Courage
- •New Effect: Now passively gains an additional 10% bonus armor and 10% bonus magic resistance after reaching maximum stacks.
- •New Effect: Now has a base shield strength of 70/95/120/145/170.
- •Shield health ratio changed to 20% bonus health from 10% maximum health.
Judgment
- •New Effect: Now deals 150% damage against non-epic monsters.
Switcheroo!
- •Bug Fix: Now properly switches Pow-Pow if she doesn't have enough mana.
Radiant Blast
- •Undocumented: Cast time reverted to match Kayle's basic attack's windup time from 0.25 seconds.
Death from Below
- •Bug Fix: Execute indicator now appears as intended and is properly visible.
PROJECT
- •Ghostwater Dive
- •Bug Fix: No longer misses its PROJECT HUD screen overlay.
Supreme Display of Talent
- •Bug Fix: No longer breaks unstoppable animations/abilities when cast in the river or in a brush.
- •Bug Fix: When casting the ability towards a wall just barely within Wind Wall, she should no longer be able to successfully explode the targeted wall.
Battle Boss
- •Royal Privilege
- •Bug Fix: Cooldown indicator is no longer barely visible in brush.
Facebreaker
- •Bug Fix: Now only stuns enemies if he successfully grabs one on each side.
The Show Stopper
- •Bug Fix: Now properly becomes unstoppable and suppresses Tahm Kench when casting The Show Stopper while Tahm Kench casts Devour.
Auras now grants Sona mana at first ally tag. Q, W, and E costs increased.
Hymn of Valor
- •New Effect: Granting an ally (other than herself) the aura refunds 30 mana per cast.
- •Mana cost increased to 75/80/85/90/95 from 50/55/60/65/70.
Aria of Perseverance
- •New Effect: Granting an ally (other than herself) the aura refunds 30 mana per cast.
- •Mana cost increased to 105/110/115/120/125 from 80/85/90/95/100.
Song of Celerity
- •New Effect: Granting an ally (other than herself) the aura refunds 30 mana per cast.
- •Mana cost increased to 90 from 65.
Base stats adjusted. Q self-heal, Rejuvenation heal duration, and bonus movement speed decreased; Q cost increased. W health cost decreased when Rejuvenated; heal increased later.
Stats
- •Base health increased to 535 from 529.04.
- •Health growth reduced to 74 from 78.
- •Base mana increased to 375 from 350.8.
- •Mana growth reduced to 40 to 60.
- •Base attack damage reduced to 50 from 50.04.
Starcall
- •Base heal reduced to 40/50/60/70/80 from 60/80/100/120/140.
- •Heal AP ratio reduced to 30% AP from 50% AP.
- •Rejuvenation duration reduced to 2.5 seconds from 5.
- •Mana cost increased to 60/65/70/75/80 from 40/45/50/55/60.
- •Bonus movement speed reduced to 10/12.5/15/17.5/20% from 15/20/25/30/35%.
Astral Infusion
- •New Effect: If cast while Rejuvenated, the health cost with be reduced by 40/55/70/85/100%.
- •Base heal increased to 80/115/150/185/220 from 80/110/140/170/200.
Devour
- •Bug Fix: Champions will no longer be in a T-pose for the remainder of the game if they get eaten by Devour.
Noxious Trap
- •Bug Fix: Attacking a non-revealed Noxious Trap with Umbral Glaive will now properly do triple damage.
Fear Beyond Death
- •Bug Fix: Execute indicator now appears as intended and is properly visible.
Vault Breaker
- •Bug Fix: No longer causes her next basic attack to fail triggering runes.
Cyclone
- •Bug Fix: Can properly cast it even after he's used it immediately before getting killed by a knock-up.
Items
General
- •New Effect: Hitting an enemy with an Immobilize ability deals 6 to 23 (based on level) (+ 2% bonus health) bonus magic damage and releases a fire nova that also deals that bonus damage to nearby enemies (10 second cooldown). The 100% bonus damage to minions and monsters applies to this damage.
General
- •New Effect: Hitting an enemy with an Immobilize ability deals 12 to 29 (based on level) (+ 4% bonus health) bonus magic damage and releases a fire nova that also deals that bonus damage to nearby enemies (10 second cooldown). The 300% bonus damage to minions and monsters applies to this damage.
General
- •New Effect: Hitting an enemy with an Immobilize ability deals 26 to 43 (based on level) (+ 5% bonus health) bonus magic damage and releases a fire nova that also deals that bonus damage to nearby enemies (10 second cooldown). The 50% bonus damage to minions and monsters applies to this damage.
General
- •Combined cost reduced to 330 gold from 380 gold.
General
- •Combined cost reduced to 50 gold from 100 gold.
General
- •New Effect: Hitting an enemy with an Immobilize ability deals 26 to 43 (based on level) (+ 5% bonus health) bonus magic damage and releases a fire nova that also deals that bonus damage to nearby enemies (10 second cooldown). The 50% bonus damage to minions and monsters applies to this damage.
General
- •Combined cost reduced to 250 gold from 300 gold.
General
- •Cost increased to 650 gold from 600 gold.

Amumu
Caitlyn
Darius
Diana
Gnar
Jayce
Lux
Mordekaiser
Rammus
Sylas
Talon
Udyr
Zed
Aurelion Sol
Singed
Anivia
Aphelios
Cho'Gath
Dr. Mundo
Ezreal
Garen
Jinx
Kayle
Pyke
Qiyana
Sett
Sona
Soraka
Tahm Kench
Teemo
Urgot
Vayne
Vi
Wukong
Bami's Cinder
Gargoyle Stoneplate
Guardian Angel
Zhonya's Hourglass


