Umbrasyl

Umbracil is an ancient black dragon and a member of the Chroma Conclave. As an NPC, Umbracil is portrayed by Matthew Mercer.

Background
Not much is known about Umbracil.

Assault on Emon
After the Chroma Conclave conquered Emon, Umbracil attacked Westruun and roosted in the Gatshadow (an enormous mountain).