Still, one thing was true.
She was more than qualified to teach any student at Hogwarts, even those in the upper years.
Marvel.
"Five measures of glycerin... four whole frog brains..."
Holding a small bottle, Hermione carefully dripped ingredients into the cauldron.
"Tony, you really shouldn't speak to a congressman like that. He may be an idiot, but you shouldn't humiliate him in public. After all, he can..."
"All right, all right, I get it. Are you trying to kill me? But I'm the only Iron Man. The Iron Man Armor and I are one. I'm never handing the technology over to those greedy politicians..."
"But..."
The familiar sound of arguing came from the doorway.
After a bang, the door swung open.
Hermione jumped, her hand shook, and an extra frog brain fell in.
Boom!
Following the explosion, thick black smoke immediately billowed from the cauldron, spreading a pungent smell.
"Fuck!"
Hermione glared viciously at the two people in the doorway.
"Tony! Stark!!!"
She gritted her teeth and glared at Tony. "Didn't anyone ever teach you to knock before coming in? Thanks to you, I've wasted five measures of glycerin and the frog brains!"
Although the Spellbook guaranteed a hundred percent success rate when she brewed potions, that only applied if she made no mistakes while adding the ingredients.
So she still had to be careful when brewing.
Tony and Pepper stood dumbfounded in the doorway. The moment they entered, they were greeted by a furious Hermione who looked ready to punch someone.
"What happened here? What have you done to my lab?"
Once he recovered, Tony looked around, his eyes instantly widening.
His Arc Reactor, armor components, and numerous other high-tech devices had been roughly tossed into a corner. His three-dimensional projection table was covered in bottles and