Gola Schweem is the fairy who specializes in teaching how to enter a self-induced coma, known as the cleansing coma. Her technique is difficult to learn and takes many year to master. Opal Koboi uses Schweem's method in the Opal Deception to avoid prison and become a patient at the J. Argon Institute.
She indirectly taught Opal Koboi to go into a self-induced coma. Koboi first successfully accomplished the feat at the age of fourteen. Opal Koboi uses this knowledge to become catatonic for eleven months, while planning the destruction of her enemies.