After confirming that Cedric, Draco, and Harry could all cast the "Truth-Telling Spell," Wizet explained the specific method for practicing Occlumency.
"Since you've all mastered the Truth-Telling Spell, you can use it to stimulate your Occlumency..."
"The method is actually very simple. Since the Truth-Telling Spell only lasts for one truthful sentence, we can take turns asking each other questions."
"Ask each other questions?" Harry seemed to think of something. "And then we have to lie?"
"Yes..." Wizet nodded. "There are plenty of directions for the questions. For example, you could ask obvious things, like someone's gender or House..."
"You can also ask deeper questions, such as the incantation for a certain spell, or questions related to A History of Magic, and then you have to give the wrong answer."
"Deeper questions?" A gleam flashed through Draco's eyes, and a faint smile curled his lips. "Doesn't that mean we can ask about secrets?"
"That smile is so sinister..." Harry frowned, his tone carrying a hint of wariness. "What are you planning?"
"Heh heh..." Draco did not answer Harry's question, merely giving a cold laugh.
"I think Wizet's suggestion is already very good..." Cedric stepped in to smooth things over. "It just so happens that we don't have to take end-of-year exams this year..."
"We can use this Truth-Telling Spell to review all the magic we've learned before... What do you think?"
Harry looked at Draco and drawled, "As long as he doesn't get any crooked ideas..."
"I should be the one saying that to you..." Draco raised an eyebrow. "Don't let a moment of curiosity make you do something out of line."
Wizet smiled without saying anything. He actually thought Draco's words made more sense;
Gryffindor students were indeed remarkably curious. Even Lupin, who had already graduated, had personally tasted