League of Legends Patch 12.15 Notes: Energy Ninjas Won, Master Yi nerfs

The League of Legends 12.15 patch notes are now available, heralding a new era of buffs for energy champions, the Monster Tamer skin line, and recalibrating nerfs for Sivir and Master Yi. We have you covered on everything you need to know about League patch 12.15, including the release date.

We’re getting 12.15 patch notes early because Lead Designer Riot Phroxzon just straight up tweeted them out ahead of regular schedule. This patch isn’t as big as 12.14, which deliberated a bunch of champion and system changes in anticipation of the yearly League of Legends World Championship. But it does deliver much needed support for energy based ninjas, who haven’t been hitting the same since the big durability patch.

League of Legends patch 12.15 Notes

You can read the full notes for League patch 12.15 below, and you can scroll to the bottom for the release date.

Champion Nerfs in League Patch 12.15

Gwen

• Q – Snip Snip! True Damage in Center :: 75% > 50% of damage dealt is converted to True Damage

“Gwen’s changes in 12.13 achieved our goals of making it easier for players to lane with her and execute her combos, but they were a bit too effective at the highest levels of play. We intend to keep her identity as a powerful scaler, but we’re trimming just a bit of damage from her late game.”

Kalista

• Base Attack Damage :: 69 > 66

“Kalista has been dominating the bot lane in professional play recently as a powerful early game pick. We’re bringing down her damage a tad in order to make her a little less oppressive in the very early stages of the game.”

Master Yi

• E (Wuju Style) cooldown no longer decreases with rank. Cooldown :: 18/17/16/15/14 >>> 18 seconds at all rank.

“Master Yi has been doing pretty well with the last set of changes, achieving a relatively equal win rate across various skill levels of play. He’s still a bit stronger than we’d like him to be so we’re taking down his access to his E and true damage, especially in cases where Yi is opting to max E first.”

Qiyana

• Passive – Royal Privilege: bonus attack damage scaling decreased.  Damage :: 15-83 (levels 1-18) (+45% bonus AD) (+30%AP) >>> 15-83 (levels 1-18) (+30%
  bonus AD) (+30%AP)
• Fixed a bug where Qiyana could apply an extra proc of her passive with First Strike
  equipped

“Qiyana’s been the empress of the Rift lately, partly due to a bug which allowed her to proc her passive twice with First Strike. We’ve removed that bug and are nerfing First Strike which should result in an overall nerf, but also taking a little bit of power out of her passive so that she’s a bit less oppressive.”

Sivir

• Attack damage growth decreased. 3.3 > 3
• E – Spell Shield: cooldown increased at all ranks. 22/20/18/16/14 > 24/22.5/21/19.5/18
• R – On the Hunt: cooldown increased at all ranks. 100/85/70 > 120/100/80

“Continuing work on Sivir’s midscope update, she’s successfully found her spot as a hyper-scaling AOE marksman on the roster. With this set of changes we’re looking to take away a little bit of her late game power and create more windows of opportunity for her opponents to challenge her.”

Taliyah

• E – Unraveled Earth: cooldown increased at all ranks. 16/15/14/13/12 seconds > 18/17/16/15/14 seconds
• R – Weaver’s Wall: wall duration decreased. 5 seconds > 4 seconds

“Taliyah’s Unraveled Earth is a great tool for stalling teamfights and creating a danger zone to scare off opponents. However, it’s currently creating a bit too much time for herself and allies. We’re taking down her ability to cast it quite as frequently, but she should still be able to use it twice or more in late game fights.”

Champion Buffs

Akali

• W – Twilight Shroud: energy restoration and maximum energy bonus increased. Energy Restoration :: 80 > 100
  Max Energy Increase :: 80 > 100

“As a system, energy is intended to give champions spikes of power that fall off with extended combat times. Given the current state of the game and more extended fights, champions that use energy as a resource have found it more difficult to find success before their energy depletes (note: this section is repeated for energy users in this patch). In Akali’s case, we’re slightly increasing the amount of energy she gains from her shroud to help her squeeze in an additional ability or two per fight.”

Kennen

• W – Electrical Surge: cooldown decreased early, magic damage increased.
  • Cooldown:14/12/10/8/6 > 13/11.25/9.5/7.75/6
    Magic Damage :: 60/85/110/135/160 > 70/95/120/145/170
• R – Slicing Maelstrom: ability power scaling increased
  • Magic Damage Per Bolt :: 40/75/110 (+20% AP) > 40/75/110 (+22.5% AP)

“Our electric yordle doesn’t have the same energy issues as other champions being adjusted this patch, but has been struggling for entirely different reasons. Shocker. With more durable targets Kennen has found it difficult to establish himself as either a lane bully or a teamfight winner. We’re putting some more power into his teamfighting identity by increasing his ability to win
fights with a slight boost to his W and R damage.”

Lee Sin

• Q: Sonic Wave/Resonating Strike: reactivation energy cost decreased. 30 > 25
• W – Safeguard/Iron Will: reactivation energy cost decreased. 30 > 25
• E – Tempest/Cripple: reactivation energy cost decreased. 30 > 25

“As a system, energy is intended to give champions spikes of power that fall off with extended combat times. Given the current state of the game and more extended fights, champions that use energy as a resource have found it more difficult to find success before their energy depletes (note: this section is repeated for energy users in this patch). In Lee Sin’s case, we’re slightly decreasing the energy he needs so that he has a bit more leeway to recast his spells during combos.”

Leona

• Q – Shield of Daybreak: mana cost decreased at all ranks.
  • Mana Cost :: 45/50/55/60/65 > 35/40/45/50/55
• R – Solar Flare crowd control duration increased.
  • Stun and Slow Duration :: 1.5 > 1.75 seconds

“Engage supports are currently a bit weaker than where we’d like them to be post-Durability Update. Now that enemies are more likely to survive her engages, we’re giving her a little more power in extended fights and when she can successfully land her skill shots.”

Lillia

• Passive – Dream-Laden Bough damage cap against monsters increased.
  • Monster Damage Cap :: 40-100 (levels 1-18) > 50-150 (levels 1-18)

“Lillia’s been a bit weak in the jungle at all skill brackets. We’re giving her some jungle-oriented buffs that should help with her clear speed without her becoming a nightmare in the top lane.”

Rammus

• R – Soaring Slam: cooldown adjusted.
  • Cooldown :: 110/95/80 > 90 at all ranks
• Base cast range increased
  • Base Cast Range :: 600 > 800
• Dash range growth increased.
  • Range Growth :: 1.3 > 1.5 (note: this is how much the range will scale with movespeed)
• Minimum and maximum dash speed increased.
  • Minimum Dash Speed: 700 > 900
  • Maximum Dash Speed: 1800 > 2000

“With the 12.14 changes to tank items, Rammus hasn’t been rollin’ around with the enthusiasm he once had. We’re opting to return some power to his kit with a few quality of life adjustments to his ultimate to which Rammus would respond by saying ‘OK.'”

Shen

• E – Shadow Dash: passive energy refund increased late.
  • Energy Refunded upon dealing damage with Passive or E :: 30/35/40 > 30/40/50

“As a system, energy is intended to give champions spikes of power that fall off with extended combat times. Given the current state of the game and more extended fights, champions that use energy as a resource have found it more difficult to find success before their energy depletes (note: this section is repeated for energy users in this patch). Shen is doing relatively okay in terms of energy efficiency, so we’re just giving him a tiny buff to help him in the late game.”

Singed

• Passive – Noxious Slipstream: bonus movement speed increased.
  • Bonus Movement Speed :: 20% > 25%
• Per-target cooldown decreased.
  • Per-target Cooldown: 10 seconds > 8 seconds
• R – Insanity Potion: bonus stats increased early.
  • Bonus Stats :: 20/60/100 > 30/65/100

“Now that the days of predator Singed mid are behind us, we’re reverting some changes we made to decrease his durability in patch 12.12 and buffing up his passive so that it feels better in teamfights. Now he’ll be able to zip around and flip his enemies to his Chem-infused heart’s content.”

Thresh

• Q – Death Sentence: cooldown decreased at all ranks.
  • Cooldown :: 20/18/16/14/12 > 19/17/15/13/11
• Magic damage increased at all ranks.
  • Magic Damage :: 80/120/160/200/240 > 100/140/180/220/260

“Like other engage supports, Thresh has been struggling to capitalize on his ability to start fights which really takes the death out of Death Sentence. We’re lowering the cooldown and increasing the damage so that his hooks are a bit deadlier.”

Itching for more League coverage after reading our League 12.15 patch notes? Be sure to check out all of our League of Legends guides, news, and op-eds as well. Yesterday we covered news that League of Legends will eventually stop making new champions, and explained why that’s okay. We also wrote about the new Arcane documentary series that is free to watch online. Scroll a little further if you’re still curious about that 12.15 patch release date.

When Does League of Legends Patch 12.15 Go Live?

The release date for League of Legends patch 12.15 is Wednesday, August 10, 2022. So, tomorrow you’ll be able to put your newfound League patch knowledge in action. You can view the full League patch schedule here.