Sirius scoffed, "A hero? What did he do to earn such a title from you?"

Sensing Sirius's intent, Walburga remained silent, her expression solemn as she glanced at Kreacher, occasionally casting a look at Sirius.

Kreacher wanted to argue, but the words got stuck in his throat. He anxiously paced in place, "Can't say, can't say, Master Regulus said not to tell anyone—"

Sirius's ears perked up; he heard something. He turned to look.