The first patch since the LoL 2023 Preseason launched will go live next week.

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With every new season, there is always a big need for balancing. Nearly every champion in the game got affected by the changes in the preseason, not the mention the champions who were already in need of some adjustments. So, it is not surprising that we got a massive patch preview when Riot’s Summoner’s Rift design team lead, Matt ‘Phroxzon’ Leung-Harrison, tweeted what they have in store for the fans.

Starting off, there are some system changes. Two very strong items, Ravenous Hydra and Sunfire Aegis will get touched in order to give some classes their item diversity back. Players will also see some more jungle changes to further balance the massive 12.22 changes. With the LoL patch 12.23, junglers will clear their camps faster and will get more XP for it but in return, they will heal for a little bit less after killing a camp.

Then the big champion adjustments, on top of the usual nerfs and buffs. Three champions will see some big changes to their kits. Starting with Kassadin, the smallest of the adjustments, whose Force Pulse (E) has changes to its stacking mechanic thus giving him an arguably easier laning phase. Next is Dr. Mundo who lost some of his bAD ratios in favor of more healing in his kit.

Last but not least, Zeri is back after Riot left her to die during Worlds 2022 patches. Almost every part of the speedy ADC will see some changes, and we will have to wait and see if these can fix her problematic nature or not, but they are very simple in essence. Zeri will have a lot of movement speed, as it’s her identity, but she will sacrifice some of her damage and range for it. Riot is also making her Ultrashock Laser (W) physical damage so she will not be a mixed damage champion.

When does LoL patch 12.23 go live?

Patch 12.23 will go live on December 7.

The first region that the patch will drop is the Oceania servers at 10 AM AEDT. The rest of the servers will follow suit in the morning hours of their respective regions. Here are the timings for most servers:

• 3 AM PT (NA)
• 5 AM GMT (EUW)
• 3 AM CET (EUNE)
• 8 AM KST (Korea)

LoL patch 12.23 preview

Zeri

• Move speed increased 325 ⇒ 330
• Base AD increased 50 ⇒ 53
• Base armor increased 20 ⇒ 24
• Base HP increased 600 ⇒ 630
• Attack speed ratio increased 0.568 ⇒ 0.625
• HP per level increased 109 ⇒ 115
• [P] Living Battery nerf:
  • Gotta Zip move speed bonus adjusted 10% multiplicative move speed ⇒ 10% flat move speed
  • Duration reduced 3 ⇒ 2 seconds
• [Q] Burst Fire adjustments:
  • [Q-P] Basic attack fully charged AP ratio increased 90% ⇒ 110%
  • Range reduced 825 ⇒ 750
  • Excess attack speed over 1.5 to AD ratio increased 60% ⇒ 70%
  • Damage increased 8/11/14/17/20 (+100/105/110/115/120% AD) ⇒ 15/18/21/24/27 (+104/108/112/116/120% AD)
• [W] Ultrashock Laser adjustments:
  • Damage type changed Magic ⇒ Physical
  • Damage increased 20/55/90/125/160 (+100% AD)(+40% AP) ⇒ 20/60/100/140/180 (+130% AD)(+25% AP)
  • Cast time changed 2.5x attack time ⇒ 0.55-0.3 seconds (based on attack speed)
  • Missile speed increased 2200 ⇒ 2500
  • Beam cast time increased 0.75 ⇒ 0.85 seconds
• [E] Spark Surge adjustments:
  • Mana cost adjusted 80 ⇒ 90/85/80/75/70
  • Cooldown reduced 24/22.5/21/19.5/18 ⇒ 22/21/20/19/18 seconds
  • Now deals an additional 20/22/24/26/28 (+12% bAD)(+20% AP) magic damage to the first enemy hit and pierce targets for 5 seconds (increased up to 65% bonus damage based on critical strike chance)
  • Pierce damage increased 60/70/80/90/100% ⇒ 80/85/90/95/100%
  • Reveal range through walls increased 850 ⇒ 1500
• [R] Lightning Crash
  • Bonus magic damage on Burst Fire removed
  • Chain lightning range increased 450 ⇒ 650
  • Explosion magic damage increased 150/250/350 (+80% bAD)(+80% AP) ⇒ 175/275/375 (+100% bAD)(+110% AP)
  • [R-P] If the explosion hits at least one champion, Zeri gains 10% move speed, 30% attack speed, and chain lightning for 5 seconds. Hitting enemy champions increases this buff by 1.5 seconds each (5 seconds maximum banked at one time)
  • [R-P] Hitting champions grants Zeri 1 stack (3 per crit) of Overcharge for 1.5 seconds. Zeri gains 0.5% move speed for each stack of Overcharge. Stacks infinitely and duration refreshes on each hit

Sion

• Base mana increased 330 ⇒ 400
• Mana per level increased 42 ⇒ 52
• [Q] Decimating Smash minimum base damage increased 30/50/70/90/110 ⇒ 40/60/80/100/120

Cho’Gath

• [P] Carnivore mana restore increased 3.5-7.75 ⇒ 5-10 (based on level)
• [W] Feral Scream base damage increased 75/125/175/225/275 ⇒ 80/135/190/245/300
• [R] Feast cooldown reduced 80 flat ⇒ 80/70/60 seconds

Amumu

• HP per level increased 89 ⇒ 100
• [Q] Bandage Toss mana cost increased 30/35/40/45/50 ⇒ 40/45/50/55/60
• [W] Despair 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)
• [E] Tantrum base damage increased 85/100/135/160/185 ⇒ 80/110/140/170/200

Maokai

• [P] Sap Magic heal HP ratio increased 4-10% ⇒ 4-12% (based on level)
• [Q] Bramble Smash buffs:
  • 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

• [P] Cell Division Goo heal increased 4/4.75/5.5/6.25% ⇒ 4/5/6/7% max HP (based on [R] Let’s Bounce! level)
• [Q] Stretching Strikes buffs:
  • 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

• [P] An Acquired Taste now has an additional +2% AP per 100 bHP ratio
• [Q] Tongue Lash buffs:
  • 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
• [W] Abyssal Dive AP ratio increased 125% ⇒ 150%
• [E] Thick Skin 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)
• [R] Devour shield now decays by 200 per second instead of lasting 2.5 seconds

Malphite

• [W] Thunderclap buffs:
  • 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)
• [E] Ground Slam damage increased 60/95/130/165/200 (+60% AP)(+30% armor) ⇒ 70/110/150/190/230 (+60% AP)(+40% armor)

Kayn (Shadow Assassin)

• [P] The Darkin Scythe Shadow Assassin bonus magic damage increased 8-30% ⇒ 13-40% (based on level)
• [E] Shadow Step heal bAD ratio increased 35% ⇒ 45%

Champion Nerfs

Yuumi

• [P] Bop ‘n’ Block cooldown increased 14-6 ⇒ 18-6 seconds (based on level)
• [R] Final Chapter root duration reduced 1.75 ⇒ 1.25 seconds

Syndra

• [W] Force of Will Transcendent true damage adjusted 15% (+1.5% per 100 AP) ⇒ 12% (+2% per 100 AP)
• [E] Scatter the Weak nerfs:
  • AP ratio reduced 55% ⇒ 45%
  • Cooldown increased 15 ⇒ 17 seconds

Mordekaiser

• [P] Darkness Rise nerfs:
  • Monster damage per second cap reduced 180 flat ⇒ 28-164 (based on level)
  • Now only procs on large monster hits

Shyvana

• [E] Flame Breath on-hit HP ratio reduced 3.5% ⇒ 3% of the target’s max HP

Trundle

• Base attack speed reduced 0.67 ⇒ 0.6
• [R] Subjugate total magic damage reduced 20/27.5/35% ⇒ 20/25/30% of the target’s max HP

Lillia

• [Q] Blooming Blows base damage adjusted 70/100/130/160/190 ⇒ 80/100/120/140/160

Champion Adjustments

Kassadin

• [Q] Null Sphere adjustments:
  • 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)
• [E] Force Pulse adjustments:
  • 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

• AD per level reduced 3.5 ⇒ 3
• Base MR reduced 32 ⇒ 29
• MR per level increased 2.050 ⇒ 2.3
• [P] Goes Where He Pleases adjustments:
  • Cannister current HP loss reduced 7% ⇒ 3%
  • Cannister 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%)
• [Q] Infected Bonesaw HP cost increased 50 ⇒ 60
• [W] Heart Zapper adjustments:
  • 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
• [E] Blunt Force Trauma adjustments:
  • [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%
• [R] Maximum Dosage adjustments:
  • 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

System Buffs

Sunfire Aegis

• Cost reduced 2800 ⇒ 2700
• Health increased 400 ⇒ 500

System Nerfs

Ravenous Hydra

• Cleave AD ratio reduced 60%/30% ⇒ 50%/25%
• Carnivorous no longer provides omnivamp per stack

Jungle Adjustments

Jungle Rules

• 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

• 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