[Harry Potter] Isn't This the Same Everywhere?

The completed story next door: Bungo Stray Dogs fanfiction: It's High Time Law Students Reformed Yokohama Blurb: “What? You can cast Fiendfyre! That's Dark Magic!” “Huh? Isn't that part of the national curriculum? I can cast Protego Diabolica, too.” “I told you to get me spider venom. What is this stuff?” “That's right, Acromantula venom. I spent all night farming the Forbidden Forest for it yesterday.” “What? A first-year can cast Avada Kedavra? Join my Death Eaters! I'll give you wealth and glory, child.” “Are you crazy? Avada Kedavra is just another spell on the national curriculum. And you didn't know it takes three stacks of Avada Kedavra to kill someone?” “Merlin's socks, that's a dragon! You can summon a dragon!” “What's the big deal about hatching an egg? If I told him I had an entire army of Fantastic Beasts, would he get so excited he'd end up at St. Mungo's?” After a wizard from a 21st-century online Hogwarts school transmigrates to the 20th century, “Wow, you all make such a fuss over everything :)” “Isn't this all part of the national curriculum?” Theme: Different versions mean generations apart