Patch 26.13
Locke is new in Patch 26.13. Riot's game data shows 8 other champions and 2 items changing, against 26.12: 2 champions with new base stats, 6 with new ability numbers and 2 items with new stats.
Riot's game data for Patch 26.13 differs from Patch 26.12 for 9 champions and 2 items.
- New champion: Locke, the Ashen Exorcist.
- Base stats: Brand and Cassiopeia.
- Ability cooldowns, costs or ranges: Brand, Draven, Kai'Sa, Sion, Vex and Zaahen.
- Ability text only: Rek'Sai.
- Item stats: Doran's Helm and Imperial Mandate.
The game data carries numbers, not reasons, and some changes live only inside ability and item descriptions. Riot's Patch 26.13 notes are the full record.
Champions9 champions
Locke- New championthe Ashen Exorcist
Brand- Mana regen9→11
- E Conflagration cost70/75/80/85/90→90
Cassiopeia- Health per level104→98
Draven- E Stand Aside cooldown18/17/16/15/14→16/15/14/13/12
Kai'Sa- W Void Seeker cooldown22/20/18/16/14→20/18.5/17/15.5/14
Rek'Sai- E Furious Bite / Tunneltext changed
Sion- W Soul Furnace cost65/70/75/80/85→75/80/85/90/95
Vex- E Looming Darkness cooldown13→12
Zaahen- W Dreaded Return cooldown16/15/14/13/12→14/13.5/13/12.5/12
Items2 items
Doran's Helm- Magic resist10→8
- Health140→150
- Armor10→8
- Text changed
Imperial Mandate- Ability power65→60
- Text changed
From Riot's game data (16.13.1), against the patch before. "Text changed" means an ability's or item's description changed: the new wording and any numbers inside it are in Riot's notes, as are the reasons for every change.