Fiend of corruption

A fiend of corruption is an evil Outsider who specializes in tricking people into embracing the darker aspects of themselves. They do so out of the spitefulness of their nature.

Known Fiends of Corruption
Wendonai: A Balor in the Service of the Drow Demon Goddess, Lolth. He took possession of the Crescent Blade Halisstra Melarn had left behind in the Demonweb Pits to have easy access to the priestesses of Eilistraee opposing Lolth on the Material plane.