in fact, belief in the power of exorcism is as old as cristian te team -- christianity.ng off demons. the katrina le the catholic church has an 82 page book, a how to guide of how to get rid of the devil. >> you saw a witch? what did it look like? [ speaking foreign language ] claudia is one who has come to brother hermes seeking a cure from what you might call "a messy divorce" she claims her ex-husband had a curse put on her so she would never love another man. but olga says her troubles are far more serious. >> reporter: a woman put a -- put a curse on you? >> translator: the curse was that she be killed. [ speaking foreign language ] [ speaking foreign language ] >> reporter: they have been all covered with dirt, lyme, flowers, eggs, wrapped minto their feet. then a warning that we should all move back. olga's demon is putting up a fight. as he counts down, she becomes agitated. it is an intense confrontation, lasting more than 20 minutes. >> just tell me how you feel. >> a little bit dizzy. >> i saw her going like this. >> she was saying good-bye. >> saying good-bye