Debuff
Heal Reduction
Any healing received by the Champion with Heal Reduction debuff is reduced by 50% or 100%.
What the game's own status effects screen says
In the game data this effect appears as BlockHeal100p, BlockHeal50p.
Champions that apply it
75 champions have a skill that applies Heal Reduction, 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.
Adjudicator
Amarantine Skeleton
Archbishop Pinthroy
Aria the Golden Hope
Aristocrat
Baerdal Fellhammer
Blood Marchioness Mina
Bloodbraid
Bone Knight
Bowf the Rancid
Channeler
Coldheart
Corpse Collector
Craklin the Blackened
Crimson Slayer
Deathchanter
Delver
Dervish
Dunestrider
Fodbor the Bard
Fortress Goon
Frostbringer
Gator
Ghomm Yellowhand
Ghostborn
Glensage Cithrel
Grizzled Jarl
Grumbler
Headsman
Hellborn Sprite
Hilda Arnorndottr
Ironclad
Kallia
Kantra the Cyclone
Knave of Hearts
Kytis
Leminisi the Gold-wing
Lifetaker
Little Miss Annie
Lorn the Cutter
Luria
Ma'Shalled
Magister
Minaya
Missionary
Morrigaine
Mortu-Macaab
Old Ghrukkus
Panthera
Paragon
Pharsalas Gravedirt
Pigsticker
Prosecutor
Queen Eva
Renegade
Ripperfist
Rocktooth
Rowan
Saurus
Scion
Sentinel
Skink
Skull Lord Var-Gall
Skullcrusher
Suzerain Katonn
Taya
Tormin the Cold
Twinclaw Disciple
Unblinking
Valkanen
Vallaryn the Equalizer
Venomage
Vergumkaar
Vizier Ovelis
Wretch
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.