Almost jumping out of his skin, Ethan darted out to the Black Lake, as he suddenly remembered about his pending Astronomy homework. It was already Friday, and luckily, he remembered things just in time. It was already five minutes to 12 noon that day, and he was panting from the sudden sprint as he arrived on the spot where he left his flag from days ago.

His orange flag that bore his name was, thankfully, still stuck to in the dirt, but the base was now covered with water. It wasn’t that high, but the sight was entirely different from days ago. Surely, he can base his answer from his initial findings, yes? Ethan took out the muggle ruler, which by the way, was hastily borrowed from a passing first year student, and measured the water level. Done with the reading, the Slytherin checked his watch and logged in his answer:



Scratching his head, Ethan kept his notebook away, and returned to the castle. He also needs to find that first year kid, and return her ruler...