3e SRD:Breath Weapon
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- Using a breath weapon is typically a standard action.
- No attack roll is necessary. The breath simply fills its stated area.
- Any character caught in the area must make the appropriate saving throw or suffer the breath weapon’s full effects.
- Breath weapons are supernatural abilities except where noted.
- Creatures are immune to their own breath weapons.
- Creatures unable to breathe can still use breath weapons.