In canon, not only is casting the killing curse extremely illegal, it’s probably beyond the abilities of most wizards anyway. It’s said to take powerful magic, and most adult wizards aside from professors and aurors are implied to be inept at even the basics of defensive magic.
I thought it added verisimilitude to the setting, that rather than being on a level far above teenage students after decades of honing their skills, most witches and wizards are fairly incompetent and don’t remember most of what they were made to learn in school, much like how most of our population can’t win Are You Smarter Than A Fifth Grader
In canon, not only is casting the killing curse extremely illegal, it’s probably beyond the abilities of most wizards anyway. It’s said to take powerful magic, and most adult wizards aside from professors and aurors are implied to be inept at even the basics of defensive magic.
I thought it added verisimilitude to the setting, that rather than being on a level far above teenage students after decades of honing their skills, most witches and wizards are fairly incompetent and don’t remember most of what they were made to learn in school, much like how most of our population can’t win Are You Smarter Than A Fifth Grader