Debuff
Decrease ACC
Reduces the Champion’s Battle ACC by 25% or 50%.
What the game's own status effects screen says
In the game data this effect appears as DecreaseAccuracy25, DecreaseAccuracy50.
Champions that apply it
68 champions have a skill that applies Decrease ACC, 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.
Adriel
Alaric the Hooded
Anax
Axeman
Bambus Fourleaf
Bayek
Big 'Un
Bloodhorn
Bloodpainter
Bowf the Rancid
Canoness
Cataphract
Coldheart
Confessor
Corpse Collector
Craklin the Blackened
Cromax Moonblood
Danag Skullreap
Deathless
Dhukk the Pierced
Dilgol
Doomscreech
Dorothy Gale
Drake
Firrol the Barkhorn
Geomancer
Ghoulish Ranger
Glensage Cithrel
Gorlos Hellmaw
Greathoof Loriaca
Gwyndolin the Silent
Hexweaver
Honor Guard
Horned Viper
Hurndig
Jingwon
Judge
Kantra the Cyclone
Keeyra the Watcher
Klaazag Keyhulk
Lady Kimi
Lich
Lord Champfort
Magmablood
Marked
Mighty Ukko
Morrigaine
Nari the Lucky
Neldor Rimeblade
Noct the Paralyzer
Peydma
Psylar
Renegade
Sachi
Skellag
Steel Bowyer
Tatura Rimehide
Taya
The Scarecrow
Thorn Golem
Tormentor
Treefeller
Valkanen
Wagonbane
Windtalker
Word Bearer
Wurlim Frostking
Yoshi the Drunkard
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.