Dragontooth Dagger +1

A dagger fashioned from the tooth of a dragon. While the blade is obviously a fang or predator's tooth, the handle is leather wrapped around the root of the tooth, and there is no cross guard.
Draconic Potency
Against enemies of the Cult of the
Dragon, the dagger's bonus to attack and damage rolls increases to +2 and the extra acid damage increases to 2d6