One of the cities in the world of The Sundered, Danton wasn’t doing so well by the time Harry came to visit it.
A flame that burns with heat, but no light.
Metal made from natural materials in the world of Umbra.
Darkling Six is Kin, a deeply rare Fey-Darkness crossover.
The royal, ahem, male contribution to the family line of the Shadow’s Breath, who also happen to be the ruling family of the People of the Darkness.