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Below is an exorcism account from 1800's. This exorcism is relevant because of the involvement of Protestant ministers and the devil telling the Protestant ministers that they are in league with him, and do his work.

The Exorcism of Nicola Aubrey


Excerpt

As the strange circuмstances of Nicola's possession became known everywhere, several Calvinist preachers came with their followers, to "expose this popish cheat," as they said. On their entrance, the devil saluted them mockingly, called them by name, and told them that they had come in obedience to him. One of the preachers took his Protestant prayer-book, and began to read it with a very solemn face. The devil laughed at him, and, putting on a most comical look, he said: "Ho! Ho! My good friend; do you intend to expel me with your prayers and hymns? Do you think that they will cause me any pain? Don't you know that they are mine? I helped to compose them!"

 

"I will expel thee in the name of God," said the preacher, solemnly.

 

"You!" said the devil, mockingly. "You will not expel me either in the name of God, or in the name of the devil. Did you ever hear of one devil driving out another?"

 

"I am not a devil," said the preacher, angrily, "I am a servant of Christ."

 

"A servant of Christ, indeed!" said Satan, with a sneer. "What! I tell you are worse than I am. I believe, and you do not want to believe. Do you suppose that you can expel me from the body of this miserable wretch? Ha! Go first and expel all the devils that are in your own heart!"

 

The preacher took his leave, somewhat discomfited. On going away, he said, turning up the whites of his eyes, "O Lord, I pray thee, assist this poor creature!"

 

"And I pray Lucifer," cried the evil spirit, "that he may never leave you, but may always keep you firmly in his power, as he does now. Go about your business, now. You are all mine, and I am your master."

This time I think Rome is opening a can of worms it's going to sorely regret.

Reference, please. Do you have a link to this?
There have been other stories showing the ineffectiveness of Protestant exorcisms.