Instant effect
Transfer Debuff
Transfer 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
40 champions have a skill with a Transfer 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.
Abbess Arrow of Rebuke
Antigone Man-slayer Unburdening Strike (all allies)
Arbalester Spread Misery
Archbishop Pinthroy Author of Fates
Aria the Golden Hope Halcyon Boons (all allies)
Arix Thornchain Malison
Baerd the Broad Thieving Axeman
Bambus Fourleaf Sleeping Sage [P] (all enemies)
Basim Ibn Ishaq Masterful Thief [P]
Chronicler Adelyn Equivalent Exchange
Fanatic Cursebearer
Fang Cleric Conduit Fangs
Flesh-Tearer Multiply Misery
Greenwarden Ruarc Sword of the Glades
Gwynneth Flow of Malaise
Helior Harsh Light
High Keeper Prysma Sunburst Hail
Ishiyama the Immovable Burning Comet
Jagg Bonesaw Shred The Flesh
Jingwon Doom Exchange
Karnage the Anarch Devilish Accord
Khafru the Deathkeeper Bone Gladius
Klaazag Keyhulk Dreadtone
Konstantin the Dayborn Quietude
Losan K’Leth Finality Disc
Lyssandra Transference
Maddak, Eyes of Skyiron Portable Cannonade
Masahiro the Bell Monk Redemptive Fervor
Oboro Mystic Smoke
Ostrox Boneglaive Pain Reversal
Praeva the Slitherer Bolt of Affliction; Sacrificial Servant [P] (all allies)
Ruel the Huntmaster Vile Arrows
Sanguinia Sacrificial Lamb
Shemnath Caryatid's Curse
Siegfrund the Nephilim Excoriating Edge
Skimfos the Consumed Clutch of Woe; Curse Feeder (all allies)
Supreme Elhain Exemplar of Strikes
Tatsu Transference Slash
The Calamitus Fell Scythe
Yuzan the Marooned Hammerhorn
Taken from the game data and not tested in battle here. See Data quality.