Patch 13.1 full detailed: New Xayah, TF buffs, Mordekaiser nerfs, and more

With only 5 days to the start of League of Legends’ 2023 ranked season, Riot Games has thoroughly revealed what players can anticipate in the year’s first patch, along with a few extras.

With patch 13.1, Riot Games are back at work refining and polishing the ever-changing League meta after a short break.

Patch 13.1, which will kick off the 2023 League season in full. To welcome the players, there are champion changes, item modifications, and a mid-scope update, as is customary.

After previewing the changes in the patch preview yesterday, Riot Phlox, designer on League’s Summoner’s Rift team, provided a comprehensive description of all of the buffs and nerfs planned in Patch 13.1. Here is the complete list of changes in Patch 13.1.

Patch 13.1 full preview

Champion buffs

Shaco

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• Q mana cost reduced from to 60 to 40, backstab crit damage increased from 30 percent to 40 percent.
• E attack damage ratio increased from 75 percent to 80 percent.

Jayce

• Attack damage increased from 54 to 57.
• mW damage per tick increased from 25/40/55/70/85/100 to 35/50/65/80/95/110.
• mQ damage increased from 55/100/145/190/235/280 to 65/115/165/215/265/315.

Lissandra

• Base health increased from 104 to 110.
• Q slow increased from 16/19/22/25/28 percent to 20/24/28/32/36 percent.
• W cooldown reduced from 14/13/12/11/10 to 12/11/10/9/8 seconds.

Sion

• Base health increased from 615 to 655.
• Max Q damage increased from 70/135/200/265/330 to 90/155/220/285/350.

Twisted Fate

• Q cooldown reduced from six seconds to 6/5.75/5.5/5.25/5 seconds.

Xayah

• Base attack speed increased from 0.625 to 0.658.
• Attack speed ratio increased from 0.625 to 0.658.

Champion nerfs

Aatrox

• Passive damage reduced from 5-12 percent to 4-10 percent.
• E healing during R use reduced from 25/30/35/40/45 to 20/24/28/32/36.
• R move speed reduced from 60/80/100 percent to 50/65/80 percent.

Dr. Mundo

• Base health reduced from 653 to 613.
• AR growth reduced from 4.2 to 3.7.
• Bonus E attack damage reduced from 2.5/3/3.5/4/4.5 percent of max health to 2/2.5/3/3.5/4 percent of max health.

Fiora

• Passive damage reduced from three plus 4.5 percent per 100 bonus attack damage to three plus four percent per 100 bonus attack damage.
• Q damage reduced from 95/100/105/110/115 percent of bonus attack damage to 90/95/100/105/110 percent of bonus attack damage.

K’Sante

• Base move speed reduced from 335 to 330.
• Passive damage reduced from 10-25 to 5-20.
• Minimum W damage reduced from 4.25/4.5/4.75/5/5.25 percent of target’s max health to 2/2.25/2.5/2.75/3 percent of target’s max. health.
• Maximum physical damage reduced from 8.25/8.5/8.75/9/9.25 percent of target’s maximum health to 7/7.25/7.5/7.75/8 percent of target’s maximum health.

Mordekaiser

• Planned changes pulled from patch.

Rammus

• Attack damage reduced from 56 to 53.
• Base health reduced from 634 to 614.
• W percent bonus resists now amplifies flat resists from W.
• W armor reduced from 40 to 25.
• Perc. armor reduced from 60/70/80/90/100 percent to 40/55/70/85/100 percent.

Yummi

• Q damage reduced from 50/90/130/170/210/250 to 50/80/110/140/170/200, empowered damage reduced from 60/110/160/210/260/310 to 60/100/140/180/220/260.

Zeri

• Attack damage growth reduced from 1.5 to 1.3.
• Q damage reduced from 15/18/21/24/27 to 15/17/19/21/23.

Champion adjustments

Jax (mid-scope update)

• See here for the full mid-scope update changes

System buffs

Axiom Arc

• Lethality increased from 10 to 18.

Horizon Focus

• Ability power increased from 85 to 100.

Rod of Ages

• Health increased from 300 to 400.
• Eternity changed — Resources restored to proc move speed reduced from 250 to 200, move speed amount increased from 25 percent to 35 percent, several quality of life changes and bug fixes.

Winter’s Approach

• Cost reduced from 2,700 to 2,600.
• Health increased from 350 to 400.

System nerfs

Legend: Tenacity

• Tenacity per Legend Stack reduced from 2.5 percent to 1.5 percent.

System adjustments

Jak’Sho, The Protean

• Cost increased from 3,100 to 3,200.
• Resists increased from two per second, 15 percent total resists at max stacks to two per second, 20 percent total resists at max stacks.

Seraph’s Embrace

• Total cost increased from 2,600 to 3,000.
• Ability power increased from 60 to 80.
• Ability haste increased from zero to 10.
• Change — No longer grants Haste equal to 1.3 percent bonus mana, now grants ability power equal to 2.5 bonus mana.
• Empyrean passive removed, replaced with Lifeline, which grants a shield for 250 plus 20 percent current mana.

Patch 13.1 is set to go live on January 10, in conjunction with the start of the new ranked season.