"If he does," Snape turned to leave, "If he does - will you tell me? Please -  please!" he shouted before Snape could leave the room, jumping to his feet; his shout had stopped Snape in his tracks, "It’s important. The difference between Voldemort returning to power, and him being destroyed for good," Snape froze with his hand on the door handle, his head inclined in Harry’s direction, "Please...  please, if Voldemort starts wearing a ring, one with a large black stone, please,  please tell me,"