Come celebrate the central ritual, public and private, of the Ordo Templi Orientis (O.T.O), Liber XV The Gnostic Mass! This Eucharistic ceremony is dedicated to honoring the divine within us all through the beautiful pageantry of dramatic ritual.

Due to space limitations, we ask everyone to RSVP to chaliceofheaven.secretary@oto-usa.org.

The location is easily accessible by public transportation. We require that people will be vaccinated due to Cook County being Yellow and bring their cards with.

Detailed information about the Gnostic Mass may be found at https://sabazius.oto-usa.org/gnostic-mass/