Moment 6: Summoning

"Professor, what's wrong?" When Hermione walked in, she was confronted with the sight of Snape bent over desk, clutching his left forearm, his teeth gritted and his eyes squeezed shut.

He turned to look at her. "Girl, go for Dumbledore. I've been summoned." She hesitated, worried. "NOW!"

She scurried away.

Five startling minutes later, Severus Snape, masked and attired in blood- red robes was stalking across Hogwarts grounds. As soon as he reached the dark depths of the Forbidden Forest, he turned on his heel in a swish of crimson and Apparated.