“Blimey Harry! This panzerfaust looks wicked,” Ron said. “Come along you two. We need to hold this bridge for three hours,” Hermione barked from the Tiger tank. Harry had never seen such bullshit before, and thought this whole magic business seemed rather bothersome.

"Just don't Slytherin"

Nice grammar.

A Wizard can say one avada kedavera in 4 seconds, a machine gun can shoot one bullet in 0.2 seconds.