Instant effect
Remove Buff
Remove Buff is the game's own name for this effect on the battle screen. The game gives no separate description for it.
Champions with it
124 champions have a skill with a Remove Buff effect, according to the effect lines in the game data. This lists who has it and on which skill, not how strong it is or how often it happens: values and chances are on each champion's page.
Acelin the Stalwart Shield Crush (all allies)
Admiral Blacktusk Defender of Skyiron
Ailil Chill Wind of Autumn (all enemies)
Alaric the Hooded Demand Chivalry
Aleksandr the Sharpshooter Born to Win
Alsgor Crimsonhorn Crack the Sky
Androc the Glorious Roar of Kitherus (all enemies)
Arachoa Moonspinner Dark Trance (all enemies)
Arbais the Stonethorn Verdant Rebirth (all enemies)
Arix Deathly Arts
Armanz the Magnificent For My Next Trick! (all enemies)
Arwydd Quivergrass Quivergrass Vortex
Astralon Light of Sanctity
Banshee Cursed Touch
Baroth the Bloodsoaked Serpent Axes
Battle Sister Condemn
Bladechorister Caldor Rhythm's Crescendo (all enemies)
Blood Marchioness Mina Hemaelstrom (all enemies)
Bolint Freewalker Hammer Of Onungburg (all enemies)
Candleguard Light of Scrutiny
Chancellor Yasmin Lulling Chant (all enemies)
Chonoru Lay Bare
Chopper Incapacitate
Conquerer Cut Down To Size
Courtier Denigrate
Cruetraxa Curse of Writhing
Dorothy Gale Emerald Blast
Dune Lord Greggor Earthcleave
Elegaius Ghost Rage
Esme the Dancer Blessing of the Sands (all enemies)
Falmond Mournsword Burning Courage
Fortus Stars Align [P]
Geomancer Creeping Petrify
Gharol Bloodmaul Foecrusher
Gorgorab Misfortune
Granyt Doorkeep You're Barred!
Grimskin Ichor Fling
Grinner Shock
Gronjarr Shatter Falsity
Gurgoh the Augur Bonechiller (all enemies)
Guurda Bogbrew Hemlock Surprise (all enemies)
Harvest Jack Dreams to Ash
High Keeper Prysma Shining Blitz
Hilvi the Rime-called Embittering Cold (all enemies)
Hope Holy Storm
Hospitaller Wave of Purification
Hurler Firebolt
Ilysinya Excoriating Light (all enemies)
Jagg Bonesaw Lacerating Tempest (all enemies)
Jingwon Power Flare
Juliana Fire of Purgation
Karnage the Anarch Sufferslash
Kawn Branchbreaker Timbermaker
King Gallcobar Vitriolic Thorns
Komidus Darksmile Agony Overwhelming
Lady Kimi Spirit Flux (all enemies)
Lady Mikage Doom of Yakai (all enemies)
Leminisi the Gold-wing Intercept The Threat
Leonardo Turtles Together (all enemies)
Locwain Revelation
Losan K’Leth Finality Disc
Luria Hex
Madame Serris Midnight Ritual (all enemies)
Maddak, Eyes of Skyiron Scattershot Barrage
Mathias Blackflail Darken the Sky
Michinaki Doubled Degeneracy
Mighty Ukko Ukko's Fury
Mistrider Daithi Briar Arrows
Night Queen Krixia Deathly Apparition
Noldua the Gloaming Umbral Purge (all enemies)
Odin Faefather Storm of Familiars (all enemies)
Ogryn Jailer Lockdown
Osgrun the Defiler Magicks of Ireth (all enemies)
Owein Winterflame Latesummer's Ward
Ozilda the Wicked You Can't Escape Me! (all enemies)
Pelagus the Wavewalker Rip Current (all enemies)
Pheidi Tealcrest On Teal Wings (all enemies)
Pontiff Augustin Shackle The Unjust (all enemies)
Prince Kymar Abyssal Gaze
Quaestor Depletion
Queen of Hearts Off With Their Heads! (all enemies)
Quintus the Triumphant Strip Away
Rae Banish
Ramantu Drakesblood Blood Wings (all enemies)
Redcloak Taneko Tripwire (all enemies)
Rhazin Scarhide Bone Sword
Rian the Conjurer Sweeping Dismissal (all enemies)
Roshcard the Tower Rebuke
Samson the Masher Explosive Temper (all enemies)
Sanguine Maria Gorescream (all enemies)
Searsha the Charred Forest Fire (all enemies)
Seer Karma Burn (all allies)
Sethallia Aggress (all enemies)
Shaman Dispelling Blow
Shamrock Luck Swap
Shemnath Humbled and Broken
Shore-spear Fionn Barbed Lines
Sigmund the Highshield Fairer Fight
Signy of Highshield Highshield's Defiance
Sikara Aura Puncture
Skinner Skinning Slice
Skirmisher Dispelling Shot
Solaris Cleansing Light
Soulless Wave of Despair
Spider Possess
Starsage Galathir Eclipse Rend (all enemies)
Suzerain Katonn Banish From Time (all enemies)
Thayla Hammerhorn Devastating Ram
The Incarnate Formation: Phalanx
Theimios the Everdrinker What's Your Poison?
Theresc Dress Down
Tormin the Cold Iceberg Crush
Totem Malediction
Ugir the Wyrmeater Unnamed skill; Earth Puncture
Ultan of the Shell Under the Skin
Underpriest Brogni Cavern's Grasp
Valla Crush The Wall
Venalicia Thrallmother Purge The Impure (all enemies)
Venus Pure Partner (all enemies)
Vergumkaar Crushing Trample
Vestele Riverthorn Raging River
Vitrius the Anointed Storm of Righteousness (all enemies)
Yannica Elven Judgment
Yuzan the Marooned Thundering Charge
Taken from the game data and not tested in battle here. See Data quality.