"I was saying, my dear, that you were clearly born under the baleful influence of Saturn," said Professor Trelawney, a faint note of resentment in her voice at the fact that he had obviously not been hanging on her words.
There are no more uses of "baleful" in the book.
Show samples from other sources
She looked at him with two unblinking, baleful eyes.
The budget cuts had a baleful effect on education.