Traveling through the world of Harry Potter, and reborn as the flesh and blood of Grindelwald and Dumbledore, Black awakened the emotional treasure chest system!
You can get a treasure chest by making others' blood pressure soar!
So...
Black: "Review? You just learned the knowledge, you forgot it so quickly?"
Hermione (deep breath): "Hermione, you have to calm down!" "Ding! Silver treasure chest 1!"
Black: "What a handsome cat!" (Take out the cat toy!)
Professor McGonagall: "!!" "Ding! Gold treasure chest 1!"
Black: "Professor Snape, do you want to eat hot pot together? It's delicious!"
Snape: "This is my cauldron! How dare you! Hufflepuff will be deducted 50 points!" "Ding! Diamond treasure chest 1"
Black: "Professor, my last name is Grindelwald."
Dumbledore: "Huh? What did you say your last name is?" "Ding! Supreme treasure chest 1" Black
: Xiaotang, where is your nose?
Voldemort: Avada...
...
Black: "I'm just a little badger who wants to become stronger, what bad thoughts can I have?" (Spreading hands)