Originally Posted by Surrealistik
It does in the sense that the Breath power needs to hit to deal damage of its type.
It depends on how the breath weapon is being recharged. If the character is using the Ancient Soul + Nusemnee's Atonement combo, then the hit is on an ally. You could
go with a bag of rats ruling on that, but to be consistent you'd need to apply that rule every time friendly fire occurs.
On the other hand, my proposed house rule covers the situation without needing to do that.