Breath (ブレス) is a special type of weapon in the Fire Emblem series that is used by transformed dragon units. It exists outside of the weapon triangle, although some Breaths deal effective damage against certain classes.
Breaths function almost identically to the Dragonstone weapons, except that most of the time no stat bonuses are given since the user is already transformed when using the weapon. Also, in Fire Emblem: Monshō no Nazo they all have a Range of 1~2 versus the Dragonstone's typical range of 1.