Barty's jubilation at being able to wield such powerful magic once more, was sharply cut short when, instead of his hex hitting the Mudblood again, it was deflected by the ghostly figure that suddenly swept between them.
Narrowing his eyes, Barty thought that it was indeed a ghost. The female figure hung in the air, as though to project the Mudblood behind it. His lips curled upwards behind his mask. A ghost wouldn't prevent him from carrying out his Lord's work.