Draco looked at Harry in front of him, frowning. "Harry, you shouldn't think that way. I think your mum would rather you live a safe and peaceful life, and grow up safe and sound."
"Heh."
Harry gave a cold laugh. "Don't give me that. I know. Sirius told me. Your mother even disowned you!"
"You!" Draco glared angrily at Harry, gritting his teeth as he spoke. "Listen, Potter, you bastard. I, Draco Malfoy, have never blamed my parents for it—not even a little!"
Harry ignored him and looked past Draco at Goyle behind him. "Help me. I know you can see prophecies through Divination. Help me find Hatred Magic, will you?"
Goyle stared at Harry blankly. Anna had made him a pair of magical glasses, giving him better eyesight than before. He could clearly see Hermione behind Harry shaking her head frantically.
He thought it over, then simply said in his usual straightforward way, "I'll do what Draco says."
So Harry turned his gaze back to Draco.
"Merlin's beard!" Draco let out a deep breath. "Listen, perhaps your mother—and, well, Goyle—managed to cast this so-called Love Magic, but hardly anyone can succeed with that kind of Ancient Magic. And I've never even heard of this 'Hatred Magic.' I'd even suspect it doesn't exist!"
"It has to exist!" Harry's voice was utterly certain.
Draco scoffed. "Oh, so if you say it exists, it does, does it?"
Draco agreed to help Harry in the end.
Even though he didn't want to help someone he hated, especially when Harry might learn this magic to fight Death Eaters, including Draco's own parents.
They had both taken private lessons under Anton and mastered a branch of magic, so they knew just how powerful the other really was.
That was what it meant to master