Ioun

Ioun, the Knowing Mistress is the goddess of knowledge, prophecy, and skill. She opposes Vecna, who deals in dark secrets and hidden knowledge. The Slayer's Take pays homage to Ioun, and in return she extends Osysa's vision in order to assist them. As an NPC, Ioun is played by Matthew Mercer.

Appearance
Ioun appears as an older woman of long, wavy silver hair. Her skin is weathered and wrinkled around her almond eyes with purple irises. She wears blue and white robes that tumble out from her form in tendrils of parchment.