O.'. T.'. C.'.

The OTC is the collective title for the various Alchemical Guilds of the EMO UK. The three main bodies are as follows:

The Lesser Guild in the Lesser Mysteries from 1-33  focuses on theory and preparatory works with Naturopathy, Tinctures & Spagyrics

The Greater Guild in the Greater Mysteries from 34-86 focuses on more advanced practical and laboratorial works of Vegetable & Mineral Alchemy

The Magisterial Guild convenes for the Supreme Mysteries of the A.A.

Access is restricted to qualifying Masons of the EMO UK Sanctuary.