Selena had been elsewhere somewhere when she had head of the announcement. Immediately she wondered what was wrong and she had a feeling it wasn't because the Head of House just wanted to sit down for a chat with them all, preparing tea and cookies or something. Selena walked over silently.

"Hello Professor Lafay," she said politely. She didn't want to lose points or something for rudeness after all. She stood awkwardly wondering why their professor was wearing a wet suit. Eh... and what was with the slimy stuff? She glanced at it briefly, hoping the professor would explain soon why they were all here.