Hermione Granger was not having a good day. She had just arrived in New York City for a conference on magical cooperation, only to find out that her hotel was haunted by the ghost of a dark-arts witch from Ilvermorny, the American school of witchcraft and wizardry. The witch, who called herself Madam Morbid, had been executed in the 17th century for practicing necromancy and torturing muggles. She had sworn revenge on the wizarding world, and now she was using her spectral powers to terrorize the guests and staff of the hotel.
Hermione had tried to contact the local aurors, but they were busy dealing with a rogue dragon that had escaped from a nearby zoo. She had also tried to use her wand to banish the ghost, but it had no effect. Madam Morbid was immune to most spells, and she could also possess objects and people, making her very dangerous. Hermione was about to give up and look for another hotel, when she heard a loud siren outside. She looked out the window and saw a strange vehicle parked in front of the hotel. It was a white hearse with a red stripe and a logo that said "Ghostbusters". Four men in jumpsuits and backpacks got out of the car and entered the hotel lobby. Hermione was curious. She had heard of the Ghostbusters before. They were a group of muggle scientists who claimed to be able to capture and eliminate ghosts using their advanced technology. Hermione had always thought they were frauds, but maybe they could help her with Madam Morbid. She decided to follow them and see what they were up to.
She found them in the elevator, talking to the hotel manager. "Are you sure this is the place?" one of them asked. He had brown hair and glasses, and his name tag said "Egon". "Positive," the manager said. "We've had reports of poltergeist activity on every floor. Furniture moving, doors slamming, lights flickering, voices whispering, you name it." "What about the ghost?" another one asked. He had blond hair and a mustache, and his name tag said "Peter". "She's a real piece of work," the manager said. "She calls herself Madam Morbid, and she likes to scare the living daylights out of our guests. She's been seen in various forms, but her favorite is a woman in a black dress and a veil, holding a skull in her hand." "Sounds like a typical ex-wife," Peter joked. "Very funny," the manager said. "But this is serious. She's been threatening to kill everyone in the hotel, and I think she means it. She's already possessed several of our staff members and made them do horrible things. One of them jumped out of the window, another one stabbed himself with a knife, and another one set fire to the kitchen."
"That's awful," the third one said. He had black hair and a beard, and his name tag said "Ray". "Don't worry, we'll take care of her," the fourth one said. He had brown skin and a shaved head, and his name tag said "Winston". The elevator reached the top floor, and the doors opened. The Ghostbusters stepped out, followed by Hermione. She was amazed by their equipment. They wore backpacks that had wires and tubes connected to metal rods, which they held in their hands. They also had goggles and earphones, and a device that looked like a walkie-talkie. "What are those things?" Hermione asked. The Ghostbusters turned around and saw her. "Who are you?" Peter asked. "I'm Hermione Granger, and I'm a guest at this hotel," Hermione said. "Are you a reporter?" Egon asked. "No, I'm a... consultant," Hermione said, not wanting to reveal her true identity. "Well, you better stay back, miss," Winston said. "This is a dangerous situation. We're about to face a Class 5 full-roaming vapor, and we don't want you to get hurt." "A what?" Hermione asked. "A ghost," Ray explained. "A very powerful and nasty one. We're going to use our proton packs to blast her with a stream of positively charged ions, and then trap her in a containment unit." "Your what?" Hermione asked. "Our proton packs," Egon said. "They're nuclear-powered particle accelerators that allow us to manipulate the subatomic structure of ectoplasmic entities." "Your what?" Hermione asked again. "Our ghost zappers," Peter said. "They make the ghost go boom." "Oh," Hermione said. She was not impressed.
She doubted that their muggle devices could do anything to Madam Morbid. She decided to watch them and see how they would fail. They walked down the hallway, following the readings on their walkie-talkie device, which Egon called a P.K.E. meter. It beeped and flashed as they approached a door that had a sign that said "Do Not Disturb". "Looks like we found her," Ray said. "Ready?" Peter asked. "Ready," the others said. They kicked the door open and entered the room. Hermione followed them, staying behind. The room was dark and cold. The curtains were drawn, and the furniture was overturned. On the bed, there was a woman in a black dress and a veil, holding a skull in her hand. She looked up and saw the Ghostbusters. "Who are you?" she asked, in a raspy voice. "We're the Ghostbusters, ma'am," Peter said. "And we're here to bust you." "Bust me?" the woman said. "You dare to challenge me? I am Madam Morbid, the most feared witch in the history of Ilvermorny. I have mastered the dark arts, and I have sworn vengeance on the wizarding world. You are nothing but muggle fools, and you will pay for your insolence." She raised her hand and pointed at the Ghostbusters. A blast of green energy shot out of her finger, hitting them and sending them flying across the room. They crashed into the wall, dropping their proton packs.
"Ow," Peter said. "That hurt," Ray said. "That's not good," Winston said. "That's impossible," Egon said. Hermione was shocked. She had never seen a ghost use magic before. She realized that Madam Morbid was not an ordinary ghost, but a remnant of a powerful witch who had somehow preserved her magical abilities after death. She wondered how that was possible, and what it meant for the balance of the natural order. She also realized that the Ghostbusters were in trouble. Their proton packs were useless against Madam Morbid, and they had no other weapons. They were defenseless, and Madam Morbid was about to finish them off. Hermione decided to intervene. She pulled out her wand and pointed it at Madam Morbid. "Expelliarmus!" she shouted. A jet of red light flew out of her wand, hitting Madam Morbid and knocking the skull out of her hand. The skull fell to the floor and shattered. Madam Morbid gasped.
She looked at Hermione with fury and fear. "You," she said. "You're a witch. How did you find me?" "I'm not here to find you," Hermione said. "I'm here to stop you. You're a menace to both the wizarding and the muggle worlds, and you need to be put to rest." "Put to rest?" Madam Morbid said. "You mean kill me? You can't kill me. I'm already dead. I'm immortal." "No, you're not," Hermione said. "You're a ghost. A very powerful and dangerous one, but still a ghost. And ghosts can be destroyed." "Destroyed?" Madam Morbid said. "By what? By your puny wand? Don't make me laugh." Hermione smiled. She had a plan. "Not by my wand," she said. "By theirs." She pointed at the Ghostbusters, who had recovered from the blast and were picking up their proton packs. "They're not wands," Egon said. "They're proton packs." "Whatever," Hermione said. "The point is, they can hurt you. They can't kill you, but they can weaken you. And if they weaken you enough, I can finish you off." "Finish me off?" Madam Morbid said. "How?" "With this," Hermione said.
She reached into her pocket and pulled out a small glass vial. It contained a clear liquid that sparkled in the dark. "What is that?" Madam Morbid asked. "It's a potion," Hermione said. "A very special potion. It's called the Draught of Living Death. It's the most powerful sleeping potion in the world. It can put anyone into a state of suspended animation, where they appear to be dead, but are actually alive. It's very hard to make, and very hard to reverse. Only a few people know how to brew it, and only a few people know how to wake someone up from it. I'm one of them." "You're lying," Madam Morbid said. "I'm not," Hermione said. "I learned how to make it at Hogwarts, the best school of witchcraft and wizardry in the world. And I brought it with me, just in case I needed it. And I think I do." "What are you going to do with it?" Madam Morbid asked. "I'm going to give it to you," Hermione said. "I'm going to make you drink it. And then you'll fall asleep. And then you'll be trapped in your own nightmare, forever."