"Good morning, Mr. Bones." Professor Flitwick was having his morning tea in the small dining room in his office. When he saw Su Er arrive, his eyes narrowed with a smile.
"If I remember correctly, the club activities start this afternoon. What brings you here this morning?"
"I've run into some problems, Professor." Su Er stood respectfully before Professor Flitwick's sofa. Anyone who underestimated Professor Flitwick because of his size would surely receive a whipping from life.
"Oh? Even a Patronus couldn't stump you. What problem could possibly trouble Mr. Bones?" Professor Flitwick took a sip of tea with a smile.
"Please don't tease me." Su Er scratched his head awkwardly. "I was just lucky to learn the Patronus Charm. There's still a great deal I need to learn."
"In magical duels between wizards, sometimes that little bit of luck is precisely what you need. Luck is part of strength, too. Learning the Patronus Charm has already put you ahead of most people," Professor Flitwick said with a chuckle.
"Now, tell me what problem you've run into."
"Well..." Su Er described the problem he was currently experiencing.
"Professor Dumbledore suggested I come to you."
"This is quite serious, Mr. Bones." Professor Flitwick nodded as he listened, his expression grave.
"Mr. Dumbledore must have told you that a wizard's magic grows with age. It always matches the body's current capabilities. A sudden increase in magic might be a good thing at first, but if you don't bring it under control, it will control you instead."
Su Er nodded. Dumbledore had indeed told him that.
"An obscurus is a typical example. Magic goes out of control, causing the power to control its host instead. At that point, you will lose your own consciousness and begin destroying and killing indiscriminately." Professor Flitwick continued,