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An earlier description of patch 12.23 for LoL. A huge number of changes are coming to League of Legends

Complete list of fixes from the upcoming update. What exactly will be changed?


A pre-season update has just hit League of Legends, in which a lot has really changed. In addition to the release of jungle fixes, which made the role more accessible to new players, there were new items and some of the old ones were changed.

Many heroes required support, which will come in update 12.23 in the form of boosts. What exactly will be buffed and what will be nerfed in the upcoming patch?

Changes in patch 12.23

Champions’ buffs

  • Zeri

Amidst Preseason and TFT Set 8 on PBE, it’s a perfect time for me to slip in some SMALL Zeri changes while no one is looking. These are coming to PBE today!

Zeri with ~900 range, an infinite ult, and high damage had almost 0 weaknesses in coordinated play. Making her be in threat range more and commit her E to have her zippy payoffs and carry moments

    • Base stats
      • Movement speed increased from 325 to 330
      • Basic AD increased from 50 to 53
      • Base armor increased from 20 to 24
      • Base HP increased from 600 to 630
      • Attack speed multiplier increased from 0.568 to 0.625
      • HP per level increased from 109 to 115
    • Base attack
      • Fully charged attack damage increased from 90-200 (+90% AP) (+1-15% of target’s maximum HP) to 90-200 (+110% AP) (+1-15% of target’s maximum HP)
    • Living Battery (P)
      • Additional shield value changed from 10% overlapping movement speed to 10% movement speed
      • Duration reduced from 3 to 2 seconds
    • Burst Fire (Q)
      • Range reduced from 825 to 750
      • The percentage of excess attack speed changed to AD increased from 60% to 70%
      • Base damage increased from 8/11/14/17/20 to 15/18/21/24/27
      • AD conversion rate decreased from 100/105/110/115/120% to 104/108/112/116/120% of AD
    • Ultrashock Laser (W)
      • The ability now deals physical damage
      • Damage increased from 20/55/90/125/160 (+100% AD) (+40% AP) to 20/60/100/140/180 (+130% AD) (+0% AP)
      • Casting time changed from 2.5 attack time to 0.55-0.3 seconds (dependent on attack speed)
      • Projectile speed increased from 2200 to 2500
      • Laser casting time increased from 0.75 to 0.85 seconds
    • Spark Surge (E)
      • Mana cost changed from 80 at all levels to 90/85/80/75/70
      • Cooldown time decreased from 24/22.5/21/19.5/18 to 22/21/20/19/18 seconds
      • (New effect) For the next 5 seconds, Burst Fire Zeri deals additional magic damage to the first enemy and pierces targets.
      • Magic damage value: 20/22/24/26/28 (+20% AP) (+12% bonus AD)
      • (New) Now deals up to 65% bonus damage depending on critical hit chance
      • Piercing damage fallout increased changed from 60/70/80/90/100% to 80/85/90/95/100%
      • Abilities/attacks reduce the cooldown of this skill by 0.5 seconds (or 1.5 if critically hit)
      • Reveal range through walls increased from 850 to 1500
    • Lightning Crash (R)
      • (Removed) No longer deals bonus magic damage
      • Chaining range increased from 450 to 650
      • Magic damage when used increased from 150/250/350 (+80% AP) (+80% bonus AD) to 175/275/375 (+110% AP) (+100% bonus AD)
      • If R hits a minimum of one champion, Zeri gets 10% movement speed, 30% attack speed and chains her attacks for the next 5 seconds. Hitting a champion refreshes this buff by 1.5 seconds (up to a maximum of 5 seconds)
      • Hitting a champion gives Zeri 1 stack (3 stacks if critically hit) of Ovecharge for 1.5 seconds. Zeri gets 0.5% movement speed for each stack

  • Sion
    • Base stats
      • Base mana increased 330 >>> 400
      • Mana per level increased 42 >>> 52
    • Decimating Smash (Q)
      • Minimum base damage increased 30/50/70/90/110 >>> 40/60/80/100/120
  • Cho’Gath
    • Carnivore (P)
      • Mana restore increased 3.5-7.75 >>> 5-10 (based on level)
    • Feral Scream (W)
      • Base damage increased 75/125/175/225/275 >>> 80/135/190/245/300
    • Feast (R)
      • Cooldown reduced 80 flat >>> 80/70/60 seconds
  • Amumu
    • Base stats
      • HP per level increased 89 >>> 100
    • Bandage Toss (Q)
      • Mana cost increased 30/35/40/45/50 >>> 40/45/50/55/60
    • Despair (W)
      • Damage increased 6/8/10/12/14 (+1/1.15/1.3/1.45/1.6% (+0.25% per 100 AP) of the target’s max HP) >>> 12/16/20/24/28 (+1/1.25/1.5/1.75/2% (+0.25% per 100 AP) of the target’s max HP)
    • Tantrum (E)
      • Base damage increased 85/100/135/160/185 >>> 80/110/140/170/200
  • Maokai
    • Sap Magic (P)
      • Heal HP ratio increased 4-10% >>> 4-12% (based on level)
    • Bramble Smash (Q)
      • Base damage increased 65/110/155/200/245 >>> 70/120/170/220/270
      • Bonus monster damage increased 80/100/120/140/160 >>> 120/140/160/180/200
  • Zac
    • Cell Division (P)
      • Goo heal increased 4/4.75/5.5/6.25% >>> 4/5/6/7% max HP (based on [R] Let’s Bounce! level)
    • Stretching Strikes (Q)
      • HP ratio increased 2.5% >>> 4% max HP
      • Cooldown reduced 15/13.5/12/10.5/9 >>> 14/12.5/11/9.5/8 seconds
  • Tahm Kench
    • An Acquired Taste (P)
      • Now has an additional +2% AP per 100 bHP ratio
    • Tongue Lash (Q)
      • AP ratio increased 90% >>> 100%
      • Heal HP ratio increased 3/3.5/4/4.5/5% >>> 5/5.5/6/6.5/7% missing HP
    • Abyssal Dive (W)
      • AP ratio increased 125% >>> 150%
    • Thick Skin (E)
      • Damage stored as grey health increased 13/21/29/37/45% (40/42.5/45/47.5/50% near multiple enemies) >>> 15/23/31/39/47% (42/44/46/48/50% near multiple enemies)
    • Devour (R)
      • Shield now decays by 200 per second instead of lasting 2.5 seconds
  • Malphite
    • Thunderclap (W)
      • On-hit damage armor ratio increased 10% >>> 15%
      • Cone damage increased 15/25/35/45/55 (+30% AP)(+15% armor) >>> 20/30/40/50/60 (+30% AP)(+25% armor)
    • Ground Slam (E)
      • Damage increased 60/95/130/165/200 (+60% AP)(+30% armor) >>> 70/110/150/190/230 (+60% AP)(+40% armor)
  • Kayn (Shadow Assassin)
    • The Darkin Scythe (P)
      • Shadow Assassin bonus magic damage increased 8-30% >>> 13-40% (based on level)
    • Shadow Step (E)
      • Heal bAD ratio increased 35% >>> 45%

Champions’ nerfs

  • Yuumi
    • Bop ‘n’ Block (P)
      • Cooldown increased 14-6 >>> 18-6 seconds (based on level)
    • Final Chapter (R)
      • Root duration reduced 1.75 >>> 1.25 seconds
  • Syndra
    • Force of Will (W)
      • Transcendent true damage adjusted 15% (+1.5% per 100 AP) >>> 12% (+2% per 100 AP)
    • Scatter the Weak (E)
      • AP ratio reduced 55% >>> 45%
      • Cooldown increased 15 >>> 17 seconds
  • Mordekaiser
    • Darkness Rise (P)
      • Monster damage per second cap reduced 180 flat >>> 28-164 (based on level)
      • Now only procs on large monster hits
  • Shyvana
    • Flame Breath (E) 
      • On-hit HP ratio reduced 3.5% >>> 3% of the target’s max HP
  • Trundle
    • Base stats
      • Base attack speed reduced 0.67 >>> 0.6
    • Subjugate (R)
      • Total magic damage reduced 20/27.5/35% >>> 20/25/30% of the target’s max HP
  • Lillia
    • Blooming Blows (Q)
      • Base damage adjusted 70/100/130/160/190 >>> 80/100/120/140/160

Poprawki bohaterów

  • Kassadin

Working with MaxwellPerlman on some nice QOL Kassadin changes I am pretty excited for. We are planning for 12.23 but things can always change.

This in combination with ROA coming back should be some nice love to Kassadin players. The E having a more regular cooldown rather than a spell lockout has been the most fun Imo in testing!

    • Null Sphere (Q)
      • Shield granted on spell cast instead of when the missle leaves his hand
      • Shield adjusted 60/90/120/150/180 (+40% AP) >>> 80/110/140/170/200 (+30% AP)
    • Force Pulse (E)
      • No longer locked out and requiring nearby spell casts
      • Nearby spell casts reduce cooldown by 1 second
      • Cooldown increased 5 >>> 21/19/17/15/13 seconds
  • Dr Mundo

Dr. Mundo changes should be coming to PBE today! Goals are to improve Jungle winrate, make him more late game skewed, and make W more impactful!

    • Base stats
      • AD per level reduced 3.5 >>> 3
      • Base MR reduced 32 >>> 29
      • MR per level increased 2.050 >>> 2.3
    • Goes Where He Pleases (P)
      • Cannister current HP loss reduced 7% >>> 3%
      • Canniser max HP heal reduced 8% >>> 4%
      • Max HP regeneration per 5 seconds adjusted 0.8-1.6% (linear scaling) >>> 0.4-2.5% (non-linear scaling, equal at level 11 – 1.27%)
    • Infected Bonesaw (Q)
      • HP cost increased 50 >>> 60
    • Heart Zapper (W)
      • HP cost increased 5% >>> 8% current HP
      • Gray health heal without hitting any enemies increased 0% >>> 50%
      • Duration reduced 4 >>> 3 seconds
      • Damage stored as gray health adjusted 25/30/35/40/45% >>> 80-95% (based on level) for the first 0.75 seconds, 25% for the remaining 2.25 seconds
    • Blunt Force Trauma (E)
      • [E-P] bAD adjusted 15/20/25/30/35 (+25/30/35/40/45 based on missing health) >>> 2.5/3/3.5/4/4.5% max HP
      • No longer instantly kills small jungle monsters
      • Monster damage increased 200% >>> 250%
    • Maximum Dosage (R)
      • No longer provides bAD
      • Increased base HP missing HP ratio increased 8/11.5/15% >>> 15/20/25%
      • At Rank 3, both the increased base HP and HP regeneration are further increased by an additional 5% per nearby enemy champion

Systems’ adjustments

  • Sunfire Aegis
    • Cost reduced 2800 >>> 2700
    • Health increased 400 >>> 500
  • Ravenous Hydra
    • Cleave AD ratio reduced 60%/30% >>> 50%/25%
    • Carnivorous no longer provides omnivamp per stack

Jungle adjustments

  • True damage from pet adjusted 20 (+15% AD)(+10% AP)(+4% bHP) >>> 16 (+15% AD)(+10% AP)(+3% bHP)(+10% bonus armor)(+10% bonus MR)
  • Monster kill HP per level 3 >>> 6
  • Monster kill mana per level 2 >>> 4
  • After first evolution, consume 2 bonus treats on large monster kill
  • Treat gold reduced 50 >>> 35 (jungle gold is up a fair bit, pulling a lot of gold out of the treats)
  • XP multiplier increased 1/1/1.025/1.075/1.15/1.15/1.25/1.25/1.35 >>> 1/1/1.025/1.075/1.2/1.2/1.3/1.3/1.45 (levels 1-9) (partial compensation for jungle XP nerfs from start of season)
  • The native 20% damage amplification on monsters in your side of the jungle no longer works on epic monsters (bugfix)
  • Monsters’ range
    • Gromp attack range reduced 175 >>> 150
    • Large Razorbeak attack range reduced 300 >>> 200
    • Leash range centers have been offset from camp spawn locations to give more space for champions to move and kite
  • Mosstomper
    • Tenacity buff duration after shield is broken duration reduced 3 >>> 1.5 seconds
    • Tenacity type adjusted Item >>> Champion