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Damage over time (DoT) is a term used to describe a single spell or attack which deals full damage not instantly but over a period of time, dealing a portion of its total damage at regular intervals. The damage is often done every second or every half-second, and each instant in which it is dealt is called a 'tick'. It is classified and more properly referred to as Blaze persistent damage.

The slow effect from Rylai's Crystal Scepter item Rylai's Crystal Scepter is applied from the first tick of the DoT until 1 seconds after the last tick.

For single-target DoT spells, spell vamp will be applied to the total amount of damage dealt by all ticks.

Becoming Playful untargetable does not prevent the damage from DoTs nor remove them. However, Stasis icon stasis, which is also considered Cosmic Radiance invulnerability, will stop the persistent damage.


Types of DoTs and their sources

The different types of DoTs only differ in whether you can Silence icon interrupt its duration.

Non-decreasable duration

Once applied, there is no way to prevent further damage from the source.

Abilities
Items
Summoner Spells
Neutral Buffs

Tether-like DoTs

Focused Resolve Tethers can also influence the use of damage over time. As long as the target stays within range, the target receives constant damage until the tether breaks. If it is interrupted early, the DoT is dispelled instantly.

Abilities

Area of effect DoTs

These refer to any ability which continually deals damage but requires enemy units to remain inside its Spirit Fire area of effect. Some of these leave a damaging debuff that keeps damaging targets for some time after they leave the area. Some sources of this type of DoT are moving units while some affect a static area that damages enemies that stand or walk in it.

Static area DoTs

Abilities

Moving area DoTs

Abilities
Items
Gameplay Elements
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