The advertisement ended with Sirius Black's handsome, dependable, charming smile.
And a simple yet powerful slogan:
"Marauders Power, guarding your every peaceful night's sleep."
Like an Alchemical Bomb, the advertisement set off an unprecedented buying frenzy throughout the United Kingdom's wizarding world.
London, Griffin's Nest.
The headquarters of the Marauders Power Company had become an utter battlefield.
A young wizard scrambled into Sirius's office, the hem of his robes still trailing wisps of smoke.
"Mr. Black! The Order Ledger, it... it's about to explode!"
Sirius raised an eyebrow and poked his head out from behind mountains of Galleons and parchment contracts. "Be more specific, Carrow."
"The Order Ledger! The magical book that automatically records every order! The self-writing quill attached to it is writing so fast that the friction is starting fires. We've already burned through three!
"Now the whole book is smoking. The Goblin Consultant says the contract magic on it has started boiling from the overload. If this keeps up, it'll melt all the orders from the past hour into a puddle of liquid gold!"
Before he had finished speaking, another witch staggered in, her hair disheveled and her face covered in multicolored ash.
"Call requests! Nothing but call requests! Our Floo Network fireplaces are going mad!"
She screamed.
"The flames in every fireplace have turned green, and countless heads are crammed inside like a heap of overcrowded cabbages! No one can get their head through, so they've started throwing Howlers in!"
"Howlers?"
Sirius stood up, a Marauder's smile of a successful prank spreading across his face.
"I like Howlers. They represent enthusiasm."
"Enthusiasm?"
The witch was on the verge of tears.
"The hall is like an angry choir right now! Hundreds of Howlers are roaring at once, complaining about why they can't get through to our Floo