Instant effect
Remove Debuff
Remove Debuff is the game's own name for this effect on the battle screen. The game gives no separate description for it.
Champions with it
136 champions have a skill with a Remove Debuff 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.
Acolyte Liberation (all allies)
Admiral Blacktusk Admiral's Orders (all allies)
Alatreon Blademaster Cleanser Booster (all allies)
Anchorite Prayer of Prowess (all allies)
Archbishop Pinthroy Splendor [P]
Arwydd Quivergrass Quivergrass Vortex (this champion)
Authoratrix Lamasu Icon of Domination
Bad-el-Kazar Malice (all allies)
Bambus Fourleaf Sleeping Sage [P]
Battlesage Nature's Touch (all allies)
Blizaar the Howler Abominable Snogryn [P]; Cryo Therapy (all allies)
Boragar the Elder Souls of Old Stone (all allies)
Bovos Sharphorn Brimstone Boon (all allies)
Bowf the Rancid Healing Spritz (all allies)
Brewguard Jeroboam This Round's On Me! (all allies)
Cardiel Angelsong (all allies)
Cecilia the Red Hope Spirit Of Giving [P]
Chaplain Benediction
Claidna Otherworld Infusion (all allies)
Countess Lix Unredeemed [P] (all allies)
Dark Elhain Veins of Ice [P] (this champion)
Daywalker Unnatural Vigor
Deephook Nagis Tidal Cleanse
Donatello Secret of the Ooze (all allies)
Doompriest Bolster [P] (all allies)
Draconis Order of Mercy
Duedan the Runic Lodestone Claw (all allies)
Elva Autumnborn Nature's Paths (all allies)
Eolfrig Perdurable [P] (all allies)
Errol Negation
Fanatic Rallying Cry (all allies)
Foli Living Armor [P]
Fortus Stars Align [P]
Freyja Fateweaver Goldweave (all allies)
Furystoker Remedy
Fyna, Blade of Aravia Exalted Lineage (all allies)
Gaellut, Son of the Pact Unnamed skill (all allies); Blood Of The Pact (all allies)
Gator Defy the Witch (all allies)
Gharol Bloodmaul Bonded by Blood (all allies); Cornered Animal
Glorious Pallas Gift of Thalass (all allies)
Goffred Brassclad Vow of the Dwarves (all allies)
Grand Oak Padraig Inspiring Rhythm (all allies)
Granyt Doorkeep Demolisher Blow; Stonefaced [P]
Gronjarr Keeper of Flame [P]
Grunch Killjoy Hex Eater
Gurptuk Moss-Beard Druidic Boon
Guurda Bogbrew Hemlock Surprise (all allies)
Hakkorhn Smashlord Rallying Bellow (all allies)
Heiress Exhortation (all allies)
Hellgazer Dark Awakening
Hierophant Lazarius Destruction Surge
Highmother Maud Shining Evensong [P] (all allies)
Horned Viper Viper's Bite
Hoskarul Unfaze (all allies)
Hotatsu Spirit Touched [P]
Inquisitor Shamael Dauntless [P] (all allies)
Ironclad Amok (all allies)
Jingwon Unchained [P] (all allies)
Joan the Luminant Symbol of Hope (all allies)
Kaja the Wry Royal Flush (all allies)
Kalvalax Pestilence [P]
Kassandra Isu's Blessing
Kawn Branchbreaker Mistwood's Bane [P]
Khafru the Deathkeeper Khafru's Command (all allies)
Khoronar Beastly Bellow (all allies)
King Gallcobar Hypertrophy (all allies)
Korugar Death-Bell Bell's Toll (all allies)
Krakarth Magnificent Scepter
Kurosa the Covetous Anything for Siroth (all allies); Ruthless Agent
Lady Mikage Will of the Mikage [P] (all allies)
Lady Noelle Invigorating Chill
Lady of Ireth Mistwood Healing
Lodric Falconheart Hold Out
Lord Entertainer Fabian Ghost With The Most [P]
Marichka the Unbreakable Nurtured Friendship (all allies)
Mausoleum Mage Winds of Purging (all allies)
Melga Steelgirdle Inspiring Violence
Merouka Badlands Witchery
Metalshaper Rescue
Mithrala Lifebane Brimming Cylix (all allies)
Nais the Shadowthief Feathershield
Night Queen Krixia Nightpurge (all allies)
Occult Brawler Curse Eater
Opardin Clanfather Clan Mentor (all allies)
Ostrox Boneglaive Death Perception (all allies)
Packmaster Shy'ek Pack Alpha
Penitent Unshakable Faith
Polara Fireheart Cryomantic Revival [P]
Pythion Shed Skin (all allies)
Pyxniel Frostweaver [P] (all allies)
Raglin Mercy (all allies)
Rakka Viletide Oozing Blessing (all allies)
Reliquary Tender Tender's Watch (all allies)
Renouncer Shining Sword
Riho Bonespear Perfect Body (all allies)
Runekeeper Dazdurk Purity Sigil (all allies)
Sanguinia Sacrificial Lamb (all allies)
Scion Crawling Chaos (this champion)
Sethallia Lordly Embrace
Shieldguard Mighty Soul [P] (this champion)
Siegfrund the Nephilim Nephilic Ward (all allies)
Signy of Highshield Highshield's Defiance (all allies)
Siphi the Lost Bride Eternal Bond [P]
Sir Artimage Ring True
Skartorsis Rebirth (all allies)
Skathix Scales of the Ages (all allies)
Skytouched Shaman Immortal Skies (all allies)
Spirithost Dark Gift (all allies)
Spiritwalker Battle Trance
Starsage Galathir Stellar Embryo (all allies)
Steelskull Cleansing Spell
Supreme Galek Laugh At Danger [P] (this champion)
Tatsu Purgation Blade
Teumesia Inner Heat [P]
The Calamitus Final Testament
The Cowardly Lion True Courage [P]
The Scarecrow True Brains [P] (all allies)
Theodosia the Disgraced Deranged Fortitude (all allies)
Titus Blackplume Student of War (all allies)
Togron the Conjoined Brothers' Generosity (all allies)
Tramaria Beyond Emotions (all allies)
Trumborr Vigor Explosion (all allies)
Tuhanarak Inviolable [P] (all allies)
Ultan of the Shell Resurging Reversal
Ultimate Galek Brush It Off [P]
Underpriest Brogni Cavern's Grasp (all allies)
Urogrim Tingly Tincture
Uugo Uugo's Brew (all allies)
Vallaryn the Equalizer Outcome Assured
Vergumkaar Honored Ancient (all allies)
White Dryad Nia Riotous Revival
Wight Queen Ankora Queen Consort [P]; Shield of Emaria (all allies)
Woad-Painted Undying Fury (all allies)
Wythir the Crowned Azure Redeemer (all allies)
Xanthe Seaflower Natural Remedy [P]
Yuzan the Marooned Good Luck Charm (all allies)
Taken from the game data and not tested in battle here. See Data quality.