League of Legends 13.7 Patch Notes: Release Date, Champion Changes And New Skins

League of Legends seventh scheduled update of 2023 (and season 13) comes in the form of patch 13.7, which will arrive at the end of March.

In the last patch, update 13.6, only 8 champions were adjusted; the lowest number of changes so far this season. It also saw the addition of one new champion, Milio. Finally, a few adjustments were made to some AD items such as Bloodthirster, Navori Quickblades and Lethal Tempo.

We're also getting new skins to celebrate April Fools, with the Cats vs Dogs skin line.

Here’s what’s new in update 13.7 for LoL.

Patch update 13.7 will arrive on Wednesday 5th of April 2023.

Here’s roughly when you can expect the update to roll out:

3 am PT (NA servers)
5 am GMT (EUW servers)
3 am CET (EUNE servers)

For a full look at this year's patch schedule, click here.

Champion Buffs

Azir
- Armor
  - 19>22
- Attack Speed Growth
  - 5%>6%
- Skill Recommender
  - Q max>W max
- Passive Duration
  - 30>45
- Passive Summon Range
  - 500>700
- Q
  - Mana Cost
    - 65-86>70-110
  - Stab Range
    - 370>325
- W
  - Mana Cost
    - 40>40-20
  - Damage per rank
    - 50-90>50-118
  - Total damage
    - 50-200>50-210
Katarina
- Passive Dagger AP Ratio
  - 65/75/85/95%>70/80/90/100%
- R
  - Death Lotus Bonus AD Ratio
    - 18% Bonus AD (+30% Bonus AD per 100% Bonus AS)>16% Bonus AD (+50% Bonus AD per 100% Bonus Ad)
Kalista
- Attack Damage Growth
  - 3.5>3.75
- Oathsworn Bond Ceremony
  - Shortened by 4 seconds
Graves
- Crit Bonus
  - 20%>30%
- R
  - Cooldown
    - 120-60>100-60
Alistar
- Armor
  - 44>47
- Base Health
  - 670-685
Yasuo
- Passive Shield
  - 100-475>100-575 (Heavily Backloaded)
- E
  - Sweeping Blade Damage Amp
    - +25% Base Damage per stack, up to 2 stacks>+15%-25% Total Damage per stack (scaling with Champ Level), up to 4 stacks

Champion Nerfs

Rammus
- W % Bonus Armor
  - 40/55/70/85/100%>40/50/60/70/80%
Veigar
- Q
  - AP Ratio
    - 60%>45/50/55/60/65%
- W
  - AP Ratio
    - 100%>70/80/90/100/110%
- R
  - AP Ratio
    - 75%>65/70/75%
Olaf
- Passive Attack Speed
  - 60%-100%>50%-100%
- Q
  - Damage
    - 70/120/170/220/270>65/115/165/215/265
  - Cooldown
    - 18/16.5/15/13.5/12>19/17.5/16/14.5/13
- Passive Elite Monster Damage Cap
  - 300>250
- R
  - Cooldown
    - 120/100/80>130/110/90
Wukong
- Base AD
  - 68>66
- W
  - Cooldown
    - 22/19.5/17/14.5/12>22/20/18/16/14
- E
  - Bonus AS
    - 40/45/50/55/60%>35%40/45/50/55%
Lee Sin
- Base AD
  - 68>66
- Base AR
  - 36>34
Zeri
- HP Growth
  - 115>110
- P
  - Shield Steal
  - 60%>50%
- R
  - AD Ratio
    - 100%>85%
Annie
- E
  - Cooldown
    - 12-8s>12-10s
  - Base Shield
    - 60-220>60-200
Thresh
- Q
  - Cooldown refund on hit
    - 3 seconds>2 seconds

Champion Adjustments

Kha'zix
- Iso Range
  - 425>375
- W
  - Evo Slow
    - 60%>40%
  - Evo Iso Slow
    - 90%>75%
- R
  - Duration
    - 10s>12s

System Buffs

Abyssal Mask
- Health
  - 500>550
Death's Dance
- AD
  - 65>55
- Haste
  - 0>15
- AR
  - 50>45
- Build Path Reverted
Grievous Wounds
- Oblivion Orb/Morellonomicon/Chemtech Putrifier/Executioner's Calling/Mortal Reminder/Chempunk Chainsword: Now applies Grievous Wounds to targets that completely block the damage with shields. Invulnerable targets are still exempt.