: Use a needle injector to wire the jaw shut and insert eye caps to keep the eyelids closed.

: Mix a cleaner base to create tank cleaner for the pump and apply moisturizer to the body's face. Demon Identification & Banishment

: Use a scalpel to make an incision in the carotid artery and jugular vein. Connect the pump with tubing and forceps to drain blood, then use a trocar to fill the abdominal cavity with fluid.

: Look for "tells" like subtle facial movements, new markings, or a body twitching. You can also use matches and cremation ashes on a body; if a sigil appears on the stomach, it is the possessed one.