Deities

The Shadow

God of dark magic

Pantheon
Eberron
Alignment
Chaotic Evil
Domains
Knowledge
Province
Ambition, dark magic
Symbol
Obsidian tower
Books
ERLW p. 141, PHB p. 296

The Shadow is the dark side of knowledge and ambition. It's said to be Aureon's shadow, given malign life when Aureon mastered magic. The Shadow is the maker of monsters and the keeper of forbidden secrets, and it offers malevolent spells to warlocks and wizards.