"Fiendfyre?" Slytherin finally began to take the teenage boy before him seriously.
It was nothing extraordinary to be able to cast Fiendfyre, but to control the unruly and ferocious flames with such effortless mastery—that was definitely not the mark of an ordinary wizard!
Slytherin finally realized that the youth before him was completely different from those clumsy "Muggles" he had seen in the castle when he left Hogwarts, the ones who merely pretended they could do magic!
Chapter 235