Plaints of supplication are heard through the door of a chamber in which Prelati has been evoking the Devil.
"The Demon is in there beating my poor Francis.

I implore you, go in!" cries Gilles, but Blanchet, frightened, refuses.

Then Gilles makes up his mind, in spite of his fear.

He is advancing to force the door, when it opens and Prelati staggers out and falls, bleeding, into his arms.
Prelati is able, with the support of his friends, to gain the chamber of the Marshal, where he is put to bed, but he has sustained so merciless a thrashing that he goes into delirium and his fever keeps mounting.
Gilles, in despair, stays beside him, cares for him, has him confessed, and weeps for joy when Prelati is out of danger.
"The fate of the unknown sorcerer and of Prelati, both getting dangerously wounded in an empty room, under identical circumstances--I tell you, it's a remarkable coincidence," said Durtal to himself.
"And the documents which relate these facts are authentic.

They are, indeed, excerpts from the procedure in Gilles's trial.