All buffs and debuffs

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.

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.