Blackwaifs were a rare variety of waif found in the Nightwoods. Like all waifs, they possessed the ability to communicate silently via telepathy. They had scaly black skin and, unusually, had barbels hanging not only from their jaws, but from their brows as well. They were closely related to waterwaifs and serpentwaifs. During the Third Age of Flight, blackwaifs settled in the city of Riverrise. In The Immortals, a blackwaif in the Amphitheatre spoke out against the custodians and was killed by a waif assassin with a blowpipe for doing so.