# NaturalAttackConditionDuration

> Kinbarrow modding reference — content tree `4a103dcdb658a75a`, version `0.2.0+main.e011511f4`.

[Effects and mechanisms](https://kinbarrow.com/modding/latest/mechanisms.md)

Used by [Npc](https://kinbarrow.com/modding/latest/npc.md#natural-attack-condition-duration).

This is a nested shape inside a content file. The catalog explains context validation and links real RON examples.

The exact turn boundary that removes a natural-attack condition rider. `Persistent` retains the ordinary condition lifecycle (stand, escape, cleanse, and so on); the timed variants model printed monster clauses.

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## NaturalAttackConditionDuration::Persistent

Select the persistent behavior.

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## NaturalAttackConditionDuration::UntilSourceNextTurnStart

Select the until source next turn start behavior.

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## NaturalAttackConditionDuration::UntilSourceNextTurnEnd

Select the until source next turn end behavior.

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## NaturalAttackConditionDuration::UntilTargetNextTurnEnd

Select the until target next turn end behavior.