All buffs and debuffs

Instant effect

Decrease Debuff Duration

Decrease Debuff Duration is the game's own name for this effect on the battle screen. The game gives no separate description for it.

Champions with it

13 champions have a skill with a Decrease Debuff Duration 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.

Taken from the game data and not tested in battle here. See Data quality.