Regulus breathed in deeply, calmed by the touch. At least neither of them were recoiling in horror at the reminder of what he had once been or drawing their wands on him.
"I don't know," he murmured. "It was just a quick flare of pain, there and gone again in an instant. It didn't feel like a deliberate summons, and I didn't get a sense of where to go. It happened too fast for that."