The lesson was starting. Excellent! Wait...what? Manipulating people? Was that what the potion would be about that they would be brewing? Well, they would find out soon enough. Adi thought about the question before raising his hand.

"Fear, Professor. Someone can inflict fear on another by threatening them or their families, blackmailing them or something along those lines.'' People can do anything when it came to their families or protecting their reputation.