Dragon breath

Dragon breath, or breath weapon, was a term used to refer to the special ability that was inherent to the dragons and the majority of dragonkind. Depending on the type of dragonkind, the breath has different properties. It is one of few cases where a type of weapon is exclusive to a race.

Description
There were nearly as many varieties of dragon breath as there types of dragons. Many types of chromatic dragons shared a type of dragon breath with one of the species of metallic dragons.

Most dragonborn were capable of exuding dragon breath, the type of which was dependent on their color metallic hue. It was typically as powerful as a wyrmling of the same type, however the size of the dragon breath area effect would vary based on the dragon's size.

Users
Almost every kind of dragon, including wyrms and faerie dragons had this innate power and ability. Those with draconic ancestry could also produce a breath weapon, including dragonborn.

Rarely, weapons could be magically altered or enchanted to produce dragon breath.