And now she had the proof, the indisputable proof, that her plot for vengeance was to terminate in the danger of another.

Of what other?
The letter and will made by Florent disclosed to her the threat of a fatal duel suspended over the head which was the dearest to her.

So she had driven to a tragical encounter the only being whom she loved....

The disappointment of the heart in which palpitated the wild energies of a bestial atavism was so sudden, so acute, so dolorous, that she uttered an inarticulate cry, leaning upon her brother's desk, and, in the face of those sheets of paper which had revealed so much, she repeated: "He is going to fight a duel! He!...

And I am the cause!"....