League of Legends patch 12.21 will be introducing a fair number of adjustments to a few champions in the game, but will not be making too many changes to the existing meta.Riot Games are currently vetting the game for the upcoming preseason 13, which is why they will avoid as many major changes as possible until then.Riot Llama@riot_llamaK'Sante buff heading out on the PBE.All Out conversion Armor/Mr to AD 22.5% -> 32.5%Q Damage tank scaling 50% AD -> 40% AD + 30% AR/MR + 5 base damagePassive damage max health % from 1/1.25/1.5 at 1/6/11 -> 1/1.33/1.66/2 at 1/6/11/1614615K'Sante buff heading out on the PBE.All Out conversion Armor/Mr to AD 22.5% -> 32.5%Q Damage tank scaling 50% AD -> 40% AD + 30% AR/MR + 5 base damagePassive damage max health % from 1/1.25/1.5 at 1/6/11 -> 1/1.33/1.66/2 at 1/6/11/16Patch 12.21 is due to arrive next week, with a number of proposed changes already making their way into the PBE cycle. League of Legends’ upcoming champion K’Sante will also be receiving some adjustments before he goes live, while Xin Zhao and Ahri gear up for some buffs, with Miss Fortune set to receive some nerfs.Before moving onto the list of changes, it’s important to note that the adjustments shown below are only in the PBE test servers. Hence, they may or may not reflect entirely in the official League of Legends 12.21 patch update, which is due next week.League of Legends PBE patch 12.21: A list of all changes so farSpideraxe@Spideraxe30Base stat rounding pass this preseason.Base AD:* Fiddlesticks 55.36 to 55AD Growth:* Annie 2.63 to 2.65* Ashe 2.96 to 2.95* Draven 3.61 to 3.6* Fiddlesticks 2.63 to 2.65* Kog’Maw 3.11 to 3.1* Singed 3.38 to 3.4* Twitch 3.11 to 3.1* Vayne 2.36 to 2.3570618Base stat rounding pass this preseason.Base AD:* Fiddlesticks 55.36 to 55AD Growth:* Annie 2.63 to 2.65* Ashe 2.96 to 2.95* Draven 3.61 to 3.6* Fiddlesticks 2.63 to 2.65* Kog’Maw 3.11 to 3.1* Singed 3.38 to 3.4* Twitch 3.11 to 3.1* Vayne 2.36 to 2.35 https://t.co/R0vW85Hi4HBase stat rounding pass this League of Legends preseasonBase AD growth:Fiddlesticks 55.36 to 55Annie 2.63 to 2.65Ashe 2.96 to 2.95Draven 3.61 to 3.6Fiddlesticks 2.63 to 2.65Kog’Maw 3.11 to 3.1Singed 3.38 to 3.4Twitch 3.11 to 3.1Vayne 2.36 to 2.35K’Sante (Adjustments)All Out conversion Armor/Mr to AD 22.5% -> 32.5%P health damage increased from 1% - 1.5% (lvl 1 - 11) to 1% - 2% (lvl 1 - 16)Q damage changed from 45 - 145 + 50% AD to 50 - 150 + 40% AD + 30% bonus armor and MRR first hit base damage increased from 34 - 100 to 35 - 105Bonus AD increased from 22.5% bonus resistances to 32.5%Xin Zhao (buff)P damage AD ratio increased from 15% - 45% to 15% - 60%P heal AP ratio increased from 55% to 65%E cooldown reduced from 12 seconds to 11Miss Fortune (nerf)E damage AP ratio increased from 100% to 120%E base slow reduced from 50% to 40%E slow AP ratio increased from 4% per 100 AP to 6% per 100 APR AP ratio per wave increased from 20% to 25%Malzahar (Adjsutment)E minion execute reduced from 25 - 55 to 15 - 45Ahri (buffs)Q mana cost reduced from 60 - 100 to 55 - 95Q AP ratio per hit increased from 40% to 45%Turret (Adjustments)Turret plating gold increased from 160 to 175Bonus resistances per plate destroyed increased from 35 to 40Spideraxe@Spideraxe30Archangel's Staff and Seraph's Embrace changes:* Fiendish Codex replaced with Kindlegem in recipe* Cost increased from 3000 to 3100* Now grants 200 health* AP reduced from 100 to 80* Seraph's AP from bonus mana reduced from 3% to 2% (Archangel's still 1%)42720Archangel's Staff and Seraph's Embrace changes:* Fiendish Codex replaced with Kindlegem in recipe* Cost increased from 3000 to 3100* Now grants 200 health* AP reduced from 100 to 80* Seraph's AP from bonus mana reduced from 3% to 2% (Archangel's still 1%) https://t.co/QEbIoWALubArchangel's Staff and Seraph's Embrace (Adjustments)Fiendish Codex replaced with Kindlegem in recipeCost increased from 3000 to 3100Now grants 200 healthAP reduced from 100 to 80Seraph's AP from bonus mana reduced from 3% to 2% (Archangel's still 1%)New passive: While above 30% mana, reduce champion damage taken by 5% and drain mana equal to the damage reduced. On takedown, restore 30% max mana and gain 10% ability power for 10 secondsNo longer grants 3 ability haste for 5 seconds upon damaging champs, stacking to 15Rod of Ages (Adjustments)Genesis passive removedNow has the Eternity passive from Catalyst of AeonsFor every 300 health or mana restored from Eternity, gain 10% MS for 2 secondsUpon reaching max stacks, all effects of Eternity are increased by 50%League of Legends patch 12.21 is set to go live next week, on November 3, 2022. Many expect it to be the final patch before preseason 13 officially goes live.