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League of Legends Patch 13.1b

League of Legends Patch 13.1b was released on Jan 25, 2023. This update included changes to 27 champions, with 12 buffs, 9 nerfs, 6 adjustments. It also updated 34 items. The patch also changed 1 game system: Dragons.

Champions

Ashe League of Legends Patch NotesPC Ashe Buff

Stats

  • •Mana growth increased to 35 from 32.
  • •Mana regeneration growth increased to 0.65 from 0.4.
Caitlyn League of Legends Patch NotesPC Caitlyn Buff

Stats

  • •Mana growth increased to 40 from 35.
  • •Mana regeneration growth increased to 0.7 from 0.55.
Ezreal League of Legends Patch NotesPC Ezreal Buff

Stats

  • •Mana regeneration growth increased to 1 from 0.65.
Jhin League of Legends Patch NotesPC Jhin Buff

Deadly Flourish

  • •Mana cost reduced to 50/55/60/65/70 from 50/60/70/80/90.

Captive Audience

  • •Mana cost reduced to 30 at all ranks from 30/35/40/45/50.
Jinx League of Legends Patch NotesPC Jinx Buff

Stats

  • •Base mana increased to 260 from 245.
  • •Mana growth increased to 50 from 45.

Zap!

  • •Mana cost reduced to 50/55/60/65/70 from 50/60/70/80/90.
Lillia League of Legends Patch NotesPC Lillia Buff

Dream-Laden Bough

  • •Damage AP ratio increased to 1.5% per 100 AP from 1.2% per 100 AP

Blooming Blows

  • •AP ratio increased 45% AP from 40% AP.
  • •Total AP ratio increased 90% AP from 80% AP.

Swirlseed

  • •AP ratio increased 60% AP from 45% AP.
  • •Cooldown reduced to 14 seconds from 16.
Orianna League of Legends Patch NotesPC Orianna Buff

Clockwork Windup

  • •Base damage changed to 10 to 50 (based on level) (linear scaling) from 10 to 50 (based on level) (every 3 levels).

Command: Attack

  • •Damage against secondary targets changed to 70% for all enemies hit from 100 to 40% (based on enemies hit).

Command: Dissonance

  • •Mana cost reduced to 70/75/80/85/90 from 70/80/90/100/110.

Command: Shockwave

  • •Base damage increased to 250/350/450 from 200/275/350.
  • •AP ratio increased to 90% AP from 80% AP.
Senna League of Legends Patch NotesPC Senna Buff

Stats

  • •Mana regeneration growth increased to 0.7 from 0.4.
Sivir League of Legends Patch NotesPC Sivir Buff

Stats

  • •Mana growth increased to 45 from 40.

Ricochet

  • •Mana cost reduced to 60 at all ranks from 60/65/70/75/80.
Twitch League of Legends Patch NotesPC Twitch Buff

Stats

  • •Base mana increased to 300 from 287.2.
  • •Mana regeneration growth increased to 0.7 from 0.45.
Xayah League of Legends Patch NotesPC Xayah Buff

Stats

  • •Mana regeneration growth increased to 0.8 from 0.75.
Zoe League of Legends Patch NotesPC Zoe Buff

Sleepy Trouble Bubble

  • •New Effect: Now reduces the target's magic resistance by 20/22.5/25/27.5/30% while they are sleep.
Gangplank League of Legends Patch NotesPC Gangplank Nerf

Stats

  • •Attack damage growth reduced to 3.7 from 4.

Powder Keg

  • •Increased damage on critical strikes reduced to 5% from 10%.
Kassadin League of Legends Patch NotesPC Kassadin Nerf

Force Pulse

  • •Cooldown increased to 21/20/19/18/17 seconds from 21/19/17/15/13.
Kindred League of Legends Patch NotesPC Kindred Nerf

Dance of Arrows

  • •Base damage reduced to 50/75/100/125/150 from 60/85/110/135/160.
Maokai League of Legends Patch NotesPC Maokai Nerf

Bramble Smash

  • •Bonus monster damage reduced to 100/120/140/160/180 from 120/140/160/180/200.

Sapling Toss

  • •Damage AP ratio reduced to 35% AP from 40% AP.
  • •Damage health ratio reduced to 5% bonus health from 6% bonus health.
  • •Empowered AP ratio reduced to 70% AP from 80% AP.
  • •Empowered health ratio reduced to 10% bonus health from 12% bonus health.
Mordekaiser League of Legends Patch NotesPC Mordekaiser Nerf

Indestructible

  • •Undocumented: Damage taken to shield resource conversion factor reduced to 3.75% from 7.5%.
Ryze League of Legends Patch NotesPC Ryze Nerf

Stats

  • •Base magic resistance reduced to 32 from 36.

Arcane Mastery

  • •AP ratio reduced to 6% per 100 AP from 10% per 100 AP.
Syndra League of Legends Patch NotesPC Syndra Nerf

Force of Will

  • •Undocumented: Winddown time of both casts reduced to 0 from 0.25 seconds.
Udyr League of Legends Patch NotesPC Udyr Nerf

Wilding Claw

  • •Bonus AD ratio reduced to 4% per 100 bonus AD from 5%.
  • •Bonus attack speed increased to 20/32/44/56/68/80% from 20/30/40/50/60/70%.

Wingborne Storm

  • •Base damage per tick reduced to 10/19/28/37/46/55 from from 10/20/30/40/50/60.
  • •Total base damage reduced to 80/152/224/296/368/440 from 80/160/240/320/400/480.
Yuumi League of Legends Patch NotesPC Yuumi Nerf

Stats

  • •Attack range reduced to 425 from 500.
  • •Base attack damage reduced to 49 from 55.
  • •Base health reduced to 500 from 550.
  • •Base health regeneration reduced to 5 from 7.
  • •Undocumented: Automatic target acquisition radius reduced to 475 from 550.

Bop 'n' Block

  • •New Effect: Now gains 25 bonus attack range.
  • •Base shield reduced to 45 to 300 (based on level) from 60 to 380 (based on level).

You and Me!

  • •Percentage adaptive force reduced to 6/7/8/9/10% from 12/14/16/18/20%.

Zoomies

  • •Removed: Bonus movement speed no longer scales with 2% per 100 AP.
Heimerdinger League of Legends Patch NotesPC Heimerdinger Change

H-28G Evolution Turret

  • •Turret base health reduced to 130 to 640 (based on level) from 175 to 700 (based on level).
  • •Turret health AP ratio increased to 5 to 45% (based on level) AP from 5 to 40% (based on level) AP.

Hextech Micro-Rockets

  • •Initial rocket base damage reduced to 40/65/90/115/140 from 50/75/100/125/150.
  • •Initial rocket AP ratio increased to 55% AP from 45% AP.
Kai'Sa League of Legends Patch NotesPC Kai'Sa Change

Stats

  • •Base mana reduced to 345 from 348.88.
  • •Mana growth increased to 40 from 38.
  • •Mana regeneration growth increased to 0.7 from 0.45.
Kog'Maw League of Legends Patch NotesPC Kog'Maw Change

Icathian Surprise

  • •Undocumented / Bug Fix: The exploded corpse that Kog'Maw turns into after the effect ends no longer displays -5 base movement speed.
Lucian League of Legends Patch NotesPC Lucian Change

Stats

  • •Base mana reduced to 320 from 349.
  • •Mana growth increased to 43 from 38.
  • •Base mana regeneration reduced to 7 from 8.18.
  • •Mana regeneration growth increased to 0.8 from 0.7.
Miss Fortune League of Legends Patch NotesPC Miss Fortune Change

Stats

  • •Mana growth increased to 40 from 35.
  • •Base mana regeneration reduced to 8 from 8.05.
  • •Mana regeneration growth increased to 0.8 from 0.65.
Nami League of Legends Patch NotesPC Nami Change

Ebb and Flow

  • •Base damage reduced to 60/100/140/180/220 from 70/110/150/190/230.
  • •Damage AP ratio increased to 55% AP from 50% AP.

Tidecaller's Blessing

  • •Base damage per hit reduced to 20/35/50/65/80 from 25/40/55/70/85.

Items

Black Cleaver League of Legends ItemPC Black Cleaver Buff

General

  • •Attack damage increased to 50 from 45.
  • •Health increased to 400 from 350.
Bloodthirster League of Legends ItemPC Bloodthirster Buff

General

  • •Total cost reduced to 3200 gold from 3400 gold.
  • •Combine cost reduced to 400 gold from 600 gold.
  • •Life steal reduced to 15% from 18%.
  • •Shield increased to 180 to 450 (based on level) from 50 to 320 (based on level).
Bramble Vest League of Legends ItemPC Bramble Vest Buff

General

  • •Thorns damage increased to 6 from 4.
  • •Grievous Wounds strength increased to 40% from 25%.
Chempunk Chainsword League of Legends ItemPC Chempunk Chainsword Buff

General

  • •Grievous Wounds strength increased to 40% from 25%.

Unique Passive - Hackshorn

  • •New Effect: Dealing physical damage to enemy champions inflicts them with 40% Grievous Wounds for 3 seconds.
  • •Old EFfect: Dealing physical damage to enemy champions inflicts them with 25% Grievous Wounds for 3 seconds, increased to 40% if the target is left with less than 50% of their maximum health.

General

  • •Attack damage increased to 35 from 30.
Morellonomicon League of Legends ItemPC Morellonomicon Buff

General

  • •New Recipe: Oblivion Orb + Hextech Alternator + Amplifying Tome + 715 gold = 3000 gold.
  • •Old Recipe: Oblivion Orb + Blasting Wand + Ruby Crystal + 450 gold = 2500 gold.
  • •Grievous Wounds strength increased to 40% from 25%.
  • •Health reduced to 200 from 300.
  • •Magic penetration increased to 10 from 0.

Unique Passive - Affliction

  • •New Effect: Dealing magic damage to enemy champions inflicts them with 40% Grievous Wounds for 3 seconds.
  • •Old Effect: Dealing magic damage to enemy champions inflicts them with 25% Grievous Wounds for 3 seconds, increased to 40% if the target is left with less than 50% of their maximum health.
Ravenous Hydra League of Legends ItemPC Ravenous Hydra Buff

General

  • •Ability haste increased to 25 from 20.
  • •Life steal increased to 10% from 0%.
  • •Omnivamp reduced to 0% from 10%.
  • •New Effect: Damage dealt by Cleave now benefits from life steal.
Thornmail League of Legends ItemPC Thornmail Buff

General

  • •Undocumented: Armor increased to 70 from 60.
  • •Thorns armor ratio increased to 25% bonus armor from 20%.
  • •Grievous Wounds strength increased to 40% from 25%.
  • •Removed: Immobilizing effects on enemy champions no longer inflict them with Grievous Wounds for 3 seconds.
Infinity Edge League of Legends ItemPC Infinity Edge Nerf

General

  • •Perfection threshold reduced to 40% critical strike chance from 60%.
Navori Quickblades Nerf

General

  • •Transcendence threshold reduced to 40% critical strike chance from 60%.
Amplifying Tome League of Legends ItemPC Amplifying Tome Change

General

  • •Now builds into Morellonomicon.
Bandleglass Mirror League of Legends ItemPC Bandleglass Mirror Change

General

  • •No longer builds into Chemtech Putrifier.
Blade of the Ruined King League of Legends ItemPC Blade of the Ruined King Change

General

  • •Siphon cooldown increased to 30 seconds from 20.
  • •Siphon damage reduced to 40 to 103 (based on level) from 40 to 150 (based on level).
  • •Mist's Edge damage on ranged champions increased to 9% of target's current health from 8%.
Blasting Wand League of Legends ItemPC Blasting Wand Change

General

  • •No longer builds into Morellonomicon.
Caulfield's Warhammer League of Legends ItemPC Caulfield's Warhammer Change

General

  • •Now builds into Eclipse.
  • •No longer builds into Death's Dance and Maw of Malmortius.
Chemtech Putrifier League of Legends ItemPC Chemtech Putrifier Change

General

  • •New Recipe: Oblivion Orb + Forbidden Idol + 700 gold = 2300 gold.
  • •Old Recipe: Oblivion Orb + Bandleglass Mirror + 550 gold = 2300 gold.
  • •Grievous Wounds strength increased to 40% from 25%.
  • •Ability haste reduced to 15 from 20.
  • •Ability power reduced to 40 from 60.
  • •Heal and shield power increased to 8% from 0%.

Unique Passive - Puffcap Toxin

  • •New Effect: Dealing damage to enemy champions inflicts them with 40% Grievous Wounds for 3 seconds.
  • •Old Effect: Dealing magic damage to enemy champions inflicts them with 25% Grievous Wounds for 3 seconds. Heal or shield allied champions (excluding yourself) empowers your and their next instance of damage against enemy champions within 5 seconds to apply 40% Grievous Wounds for 3 seconds.
Cloak of Agility League of Legends ItemPC Cloak of Agility Change

General

  • •Now builds into Mortal Reminder.
Death's Dance League of Legends ItemPC Death's Dance Change

General

  • •New Recipe: Pickaxe + Chain Vest + Pickaxe + 750 gold = 3300 gold.
  • •Old Recipe: Pickaxe + Chain Vest + Caulfield's Warhammer + 525 gold = 3300 gold.
  • •Attack damage increased to 65 from 55.
  • •Ability haste reduced to 0 from 15.
  • •Armor increased to 50 from 45.
  • •Defy heal reduced to 50% bonus AD from 120% bonus AD.
Demonic Embrace League of Legends ItemPC Demonic Embrace Change

General

  • •Damage per second changed to 1.6% of target's maximum health from 1.8%.
Eclipse League of Legends ItemPC Eclipse Change

General

  • •New Recipe: Serrated Dirk + Caulfield's Warhammer + 900 gold = 3100 gold.
  • •Old Recipe: Serrated Dirk + Long Sword + Vampiric Scepter + 750 gold = 3100 gold.
  • •Ability haste increased to 15 from 0.
  • •Omnivamp reduced to 0% from 7%.
  • •Ever Rising Moon cooldown reduced to 6 seconds from 8.
  • •Syzygy ability haste increased to 20 from 0.
  • •Syzygy omnivamp reduced to 0% from 8%.
Essence Reaver League of Legends ItemPC Essence Reaver Change

General

  • •Total cost increased to 2900 gold from 2800 gold.
  • •Combine cost increased to 500 gold from 400 gold.
  • •Attack damage increased to 55 from 45.
Executioner's Calling League of Legends ItemPC Executioner's Calling Change

General

  • •Grievous Wounds strength increased to 40% from 25%.
  • •Attack damage reduced to 15 from 20.
Forbidden Idol League of Legends ItemPC Forbidden Idol Change

General

  • •Now builds into Chemtech Putrifier.
Goredrinker League of Legends ItemPC Goredrinker Change

General

  • •Mythic passive ability haste reduced to 3 from 7.
  • •New Effect: Mythic passive now also grants 50 bonus health.
Hextech Alternator League of Legends ItemPC Hextech Alternator Change

General

  • •Now builds into Morellonomicon.
Last Whisper League of Legends ItemPC Last Whisper Change

General

  • •Now builds into Mortal Reminder.
Long Sword League of Legends ItemPC Long Sword Change

General

  • •Now builds into Maw of Malmortius.
  • •No longer builds into Eclipse.
Maw of Malmortius League of Legends ItemPC Maw of Malmortius Change

General

  • •New Recipe: Hexdrinker + Pickaxe + Long Sword + 375 gold = 2900 gold.
  • •Old Recipe: Hexdrinker + Caulfield's Warhammer + 500 gold = 2900 gold.
  • •Ability haste reduced to 0 from 20.
  • •Attack damage increased to 65 from 55.
  • •Removed: Triggering Lifeline no longer grants 10% omnivamp.
  • •New Effect: Triggering Lifeline now grants 12% life steal.
Mortal Reminder League of Legends ItemPC Mortal Reminder Change

General

  • •New Recipe: Executioner's Calling + Last Whisper + Cloak of Agility + 150 gold = 3000 gold.
  • •Old Recipe: Executioner's Calling + Zeal + 750 gold = 2600 gold.
  • •Grievous Wounds strength increased to 40% from 25%.
  • •Attack speed reduced to 0% from 20%.
  • •Armor penetration increased to 30% from 0%.
  • •Movement speed reduced to 0% from 7%.
  • •Now limited to 1 Last Whisper item.

Unique Passive - Sepsis

  • •New Effect: Dealing physical damage to enemy champions inflicts them with 40% Grievous Wounds for 3 seconds.
  • •Old Effect: Dealing physical damage to enemy champions inflicts them with 25% Grievous Wounds for 3 seconds. Basic attacking a champion 2 times while they remain affected by Grievous Wounds increases their effect to 40%, and dealing physical damage to a target affected by 40% Grievous Wounds will refresh the empowered effect.
Oblivion Orb League of Legends ItemPC Oblivion Orb Change

General

  • •Grievous Wounds strength increased to 40% from 25%.
  • •Ability power reduced to 30 from 35.
Pickaxe League of Legends ItemPC Pickaxe Change

General

  • •Now builds into Maw of Malmortius.
Ruby Crystal League of Legends ItemPC Ruby Crystal Change

General

  • •No longer builds into Morellonomicon.
Vampiric Scepter League of Legends ItemPC Vampiric Scepter Change

General

  • •No longer builds into Eclipse.
Zeal League of Legends ItemPC Zeal Change

General

  • •No longer builds into Mortal Reminder.

System Changes

Dragons League of Legends ChangesPC Dragons Buff

Chemtech Blight

  • •Tenacity increased to 6/12/18/24% (based on stacks) from 5/10/15/20% (based on stacks).
  • •Heal and shield power increased to 6/12/18/24% (based on stacks) from 5/10/15/20% (based on stacks).

Chemtech Dragon Soul

  • •Bonus damage increased to 11% from 10%.
  • •Damage reduction increased to 11% from 10%.

League of Legends Patch 13.1b FAQ

Frequently Asked Questions
When did League of Legends Patch 13.1b release?
League of Legends Patch 13.1b was released on Jan 25, 2023.
What changed in League of Legends Patch 13.1b?
Patch 13.1b included changes to 27 champions (12 buffs, 9 nerfs, 6 adjustments), plus 34 item updates and 1 game system update. See the full breakdown above.
Which champions changed in League of Legends Patch 13.1b?
League of Legends Patch 13.1b changed 27 champions. Buffed: Ashe, Caitlyn, Ezreal, Jhin, Jinx, Lillia, Orianna, Senna, Sivir, Twitch, Xayah and Zoe. Nerfed: Gangplank, Kassadin, Kindred, Maokai, Mordekaiser, Ryze, Syndra, Udyr and Yuumi. Adjusted: Heimerdinger, Kai'Sa, Kog'Maw, Lucian, Miss Fortune and Nami.
What was the previous League of Legends patch before 13.1b?
The previous League of Legends patch was 13.1.
What is the next League of Legends patch after 13.1b?
The next League of Legends patch is 13.3.