There is no doubt at all in my mind that his death would be proclaimed as widely as possible by the Death Eaters if it had happened, because it would strike a deadly blow at the morale of those resisting the new regime.
There are no more uses of "morale" in the book.
Show samples from other sources
Troop morale improved after a warm meal and a good night’s sleep.
Her management style has been great for employee morale.