Tom Riddle Asks About Mystery - Lord Voldemort's Horcruxes

After the other boys leave the office, Riddle stays behind to ask Slughorn about Mystery - Lord Voldemort's Horcruxes, initially disguising his curiosity as academic interest. Slughorn, though suspicious, doesn't outright refuse to answer. He explains that a Horcrux is created when a wizard splits their soul and hides part of it in an object, ensuring they cannot die even if their body is destroyed.