Debuff
Decrease C. RATE
Decreases the current value of the Champion's Critical Rate by 15% or 30%.
What the game's own status effects screen says
In the game data this effect appears as DecreaseCriticalChance30.
Champions that apply it
17 champions have a skill that applies Decrease C. RATE, according to the effect lines in the game data. This lists who applies it, not how reliably: chance, duration and resistance are on each champion's page.
Akoth the Seared
Ambassador Lethelin
Aox the Rememberer
Balthus Drauglord
Bovos Sharphorn
Giath the Truthshield
Holguk of the Hallowsights
Ishiyama the Immovable
Jagg Bonesaw
Klodd Beastfeeder
Masahiro the Bell Monk
Niamhe, Spear of Nyresa
Riho Bonespear
Sachi
Ursine Icecrusher
Valkanen
Visionary
The description is the game's own text. It has not been tested in battle here, and the game's wording can be loose (for example about numbers that differ between versions of an effect). See Data quality for what has and has not been checked. Found a mistake? Use "Report a problem" at the bottom of the page.