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The Potion Mistress and the Half-Blood Prince	By : FonzFan Category: HP Canon Characters paired with Original Characters > General Views: 2096 -:- Recommendations : 0 -:- Currently Reading : 1
Disclaimer: See full disclaimers on each chapter

Chapter List
- 14
- 15
- 16
Disclaimer: I do not own any of the people (Dumbledore, Snape, Voldemort, etc), places (Hogwarts, etc), other keywords (Occlumency, etc.), and text ("") that belong to the wonderful world of Harry Potter, as they belong to J.K. Rowling. I am writing this story to entertain myself (and hopefully others) and make no money from it. The OC (Katherine) is entirely my own.

Chapter 15: Confronting Slughorn
As the following Monday rolled around, Katherine found herself slowly getting back into the thick of things. Severus had escorted her to the Potions classroom early that morning before leaving for his own.
At first, everything seemed to be in order, that is, until she reached the student and private storerooms.
"Bloody Hell!" Everything was out of order. Total chaos. Katherine's eyes widened at the sight before her. The students' cabinet was completely disorganized. Powdered Bicorn horn vials mixed in with Boomslang skin; Lacewinged flies vials were scattered between ashwinder eggs and bat spleens.
In the back of her mind, Katherine knew it would take most of the day to resort the students' storage, but it had to be done in order to prevent something disastrous.
'If this is what the students' cupboard looks like, what does the private one look like?' Katherine thought to herself as she turned to face the wooden door that lead to the private storeroom. Slowly limping to the small hidden room, Katherine to a deep breath to steady herself for what she may find beyond the door.
Carefully, Katherine opened the door and immediately felt her blood pressure hit the roof. Every vial. Every jar. Every fucking ingredient was out of place. Her and Severus' system completely destroyed. It had taken the two of them three days to do inventory and organize that room at the beginning of the first term, and now it was ruined.
Katherine gingerly made her way into the small room. She could feel her right eye twitching and a massive headache coming on. Then, she saw it. A vial was sitting on the small table in the middle of the room. Gently, she picked it up in her hand and turned it, so the label faced her.
Her eye began to twitch more as she read the tiny label. She gritted her teeth, and her eyes narrowed on the constricted handwriting on the vial.
Venomous Tentacula Leaves

Count - 100
And it was empty.
'SEVERUS!'

'SEVERUS!' Severus started, nearly spilling the bottle of black ink that was sitting in front of him on the desk. He looked up towards the office door, excepting to see Katherine standing there, but she wasn't. Her voice had sounded as though she had been standing within ten feet of his desk. It was then he realized that she had called, rather yelled, out to him from their connection.
'Maybe she fell? Maybe her knee failed her?' He thought frantically as he rose from his chair and stalked towards the door. Without even answering her, he quickly made his way to the dungeons in order to find out the problem.
Upon entering the potions classroom, Severus noticed that Katherine wasn't in sight.
"Katherine?" he said, looking around curiously.
"I'm in the private storeroom," Katherine's voice snarled from inside the small room on the right. "If you're coming in here, you've better brace yourself."
"What in Merlin's name are you…" Severus stopped in mid-sentence upon entering the room. His eyes widened at the scene in front of him. "SHIT."
His eyes wandered over every mistreated vial and jar, before coming to a rest on Katherine. She stood rigid in the center of the room; her knuckles, on her right hand, were turning white as she gripped her cane. Then Severus noticed a small vial in her left hand.
"What is in that?" Severus asked, pointed to the container.
"I believe the correction question is 'What was in that?'." Katherine said annoyingly, as she limped towards him and thrust the bottle into his hands. Severus turned the bottle to read the label.
"Tentacula Leaves?" Severus bellowed; the small room echoed his words. "Who uses up one hundred Tentacula Leaves in such a short time?" But his question was answered by the slamming of the classroom door. Severus and Katherine emerged from the storeroom to find Horace waltzing his way to the front of the laboratory.
"Oh…Severus, Katherine, you gave me a fright," Horace started, as he noticed the two black-clad professors. "Katherine, looking better. Leg still giving you some trouble I see."
"Horace, what do you know about this?" Severus said, as he held up the empty flask in his hand.
"Oh ho," Horace exclaimed, as he made his way towards them to get a better look. "Tentacula Leaves. Very valuable they are. But you two should know that!" Horace chuckled.
"I think what Severus is asking is, where are they?" Katherine hissed, as she glared at her former professor.
"Oh! Did an experiment with them with the sixth years just last week!" Horace explained as he turned and made his way towards the chalkboard up in front of the room. "Didn't go right the first time, so we gave it another go."
"You use all one hundred Tentacula leaves…on the sixth years," Severus sneered, as he clutched the vial in his hand.
"Not all of them were used by the sixth years," Horace said, dismissing the comment with the wave of his hand. "The seventh years used them as well, then I made a surprise potion for the fifth years to view…"
"Horace…that jar…that vial," Katherine snarled through rigid breathe. "THOSE WERE TEN GALLEONS A LEAF! DO YOU REALIZE YOU JUST THREW AWAY ONE THOUSAND GALLEONS OF SEVERUS' AND MY OWN EXPENSES IN LESS THAN A WEEK!" Katherine bellowed at the walrus-like man.
"Oh come now Katherine," Horace scoffed at her. "Don't worry about those. I plan to replenish them as soon as I get into Diagon Alley again.
"Well, best be off! Having tea with your uncle in ten minutes. Ta!" Horace said, as he left the room, leaving the two professor silently staring at the door where he just left from.
"He's mad!" Katherine's voice finally broken through the silence. "Letting sixth years experiment with Tentacula leaves! He could've poisoned and killed every one of them!"
"We are very lucky he didn't," Severus said as he glanced back at the private storeroom. "Meanwhile, I have an hour left before my third years, so we might as well start reorganizing."
"Indeed," Katherine sighed, as she followed Severus into the tiny room to begin sorting out the mess that Slughorn left behind.

Severus and Katherine had spent ever moment of their free periods through the day, rearranging the storeroom. They had managed to take full inventory on the magical water plants, but there was still so much more to do.
"Severus?"
"Hmm…" Severus grunted, as he wrote down the missing number of gillyweed.
"I had a new bottle of oak-matured mead locked in here, but I still haven't seen it," Katherine said, glancing around at the larger bottle on the right wall. "I was planning on using soon."
"Using it?" Severus turned towards her with a raised brow.
"Yes, oak-matured mead seems to strengthen the results of the Wiggenweld Potion, when mixing half a pint of Horklump juice and a half a pint of the mead."
"Really?" Severus was surprised at her discovery, but didn't show it. He knew Katherine well enough, to know that she relished in the fact of the discovery of a new ingredient or new development of a potion. He could hear it in her voice as well; for he knew that she was happy with herself for figuring this out. "Where did you get this Mead from?"
"Funny, actually…" Katherine started, as she replaced a vial of Draught of Peace. "I found it on my desk at Christmas. No name on it; just Happy Christmas Professor. But I knew it was Oak-matured Mead from the smell, so I figured I'd stored it until I was ready to try the potion again."
"More than likely, if Horace has been in here, then…" but Severus was cut off by a sudden roar of the floo.
"Katherine?" a voice rang out from her office. "Are you available?" Severus and Katherine glanced at each other before exiting the storeroom. The floo was glowing bright green, and the head of the Headmaster hovered within the flames.
"What can I do for you Headmaster?" she said coldly, as she hobbled towards the fireplace.
"I require your assistance in the Infirmary, there has been an incident," Albus stated. "Oh good, Severus. I've been trying to locate you. I need you up there as well."
"Very well," Severus said before the Headmaster's head disappeared.
"Great. Four flights of stairs," Katherine said grudgingly. "I've been on this leg too much today; I'm beginning to feel getting tight."
"Well, it would be easier and faster for us to floo to my office instead, since I'm just down the hall from the hospital wing," Severus stated, as he gestured towards the fireplace. "You first."
"Alright," Katherine said as grabbed a handful of floo powder and threw it into the fireplace. "Professor Snape's office." There was a flash of brilliant green light and she was gone.

When Severus and Katherine arrived in the Infirmary, they found Minerva, Albus and Horace already there. The three along with Hermione Granger, Ginny Weasley and Harry Potter were gathered around a bed that held Ron Weasley.
"It was quick thinking of you Mr. Potter for using a bezoar," Albus told the boy. "You must be very proud of him Horace, for recognizing it and knowing how to use it in the time of need."
"Hmm…oh yes very proud," Horace mumbled, as he cradled a green bottle in his hands. Katherine glanced at Severus, but only saw a scowl etched upon his face.
"Severus," Katherine's mind went out to him. "That bottle Horace has, that's my Oak-matured Mead."
"Are you sure?"
"Positive."
"I agree, Mr. Potter's actions were very heroic," Minerva stated. "But the real question is, why were they needed?"
"That indeed," Albus said, turning towards Horace and looking pointedly at the bottle in his colleague's hands. "This appears to be a gift Horace. Do you remember who gave it to you?" He asked as he took the canteen from Horace. "Smells like Oak-matured Mead, but obviously laced with an untraceable poison."
"Actually Albus, I found it in the private storeroom in the lab," Horace admitted. "I was going to bring it along to your office tomorrow night for our get-together."
"Katherine, Severus?" Albus looked at the pair, as he handed the bottle to Severus for inspection. "Do you know where this came from?"
"I received it as a Christmas gift from an unknown student, Headmaster," Katherine said, raising her chin slightly. "I intended on using it as a potion's ingredient though."
"And it's a good thing too," Albus stated, while looking his niece in the eye. "Or it could have been you instead my dear." Severus heard a low growl emit from Katherine's person, at the words of the term of endearment.
"Where is he? Where's my Won-Won?" Lavender Brown shouted as she pushed through the crowd surrounding the bed. "Has he been asking for me? What's she doing here?" She asked, pointing towards Hermione.
"I could ask you the same question!" Hermione retorted.
"I happen to be his girlfriend," Lavender snarled.
"Well, I happen to be his…friend."
"Some friend you are," Lavender spat. "You two haven't spoken to each other in weeks. I suppose you want to be with him now that he's all interesting."
"He's been poisoned you daft dimbo," Hermione said. The boy in question began muttering under his breathe and Lavender began inching closer to the bed.
"See, he senses my presence," Lavender said softly, "Don't worry Won-Won, I'm here."
"Her..mio…nee…" Ron whimpered in his subdued state. "Her…mio…nee…" Lavender let out a pathetic cry as she bolted from the room.
"Oh to be young and feel love keen sting," Albus said as the group of professors watched the two students. "Away everyone, Mr. Weasley is in good hands." He said, as he ushered the others to the door.

Severus escorted Katherine back to her office, but as soon as her feet touched the stone floor, she was hobbling as fast as she could towards the door.
"Katherine? Where are you going?"
"Slytherin common room," Katherine snarled as threw the office door open. "I'm in need of conversation with our godson." Severus hastily followed the limping woman down the hallway and towards the portrait door. All Katherine had to do was snarl at the portrait, and it swung open for the two of them.
"I'm looking for Draco Malfoy," Katherine's bellowing voice echoed throughout the common room. Draco, who was sitting in the corner of the room, looked up from his book only to see two very angry looking professors staring back at him. "My office. Now."
Draco silently followed the two back to the Potion Mistress' office. The door slammed behind him as soon as he entered the room. Katherine stood, with cane in hand, in front of her desk, while Severus took a seat behind it.
"Sit," Katherine hissed as the boy, as she pointed at the chair in front of her. "Draco. What were you thinking? Lacing Oak-matured mead with poison! Do you realize I could have drank that instead of the Headmaster, instead of Mr. Weasley in this case."
"It wasn't me…"
"Oh please, spare me your false innocence," Katherine spat, as she began circling Draco's chair. "If you just come to us for help…"
"I DON'T NEED YOUR HELP!" Draco shouted, rising from his chair and standing face to face with his godmother. "JUST STAY OUT OF MY FUCKING WAY!" In a instant, Severus had risen from his chair and grabbed the boy by the back of his robes to turn him around.
"Don't you dare shout or use that language towards her," Severus hissed at the now cowering boy. "Not only is she your professor and superior, but she is also your godmother. Back to the common room…NOW!" Severus said, pointing to the door and giving Draco a slight shove towards it.
Draco began to stalk towards the door, muttering under his breathe. He slammed the door behind him as he left, and Severus turned to see Katherine sit down heavily in her chair.
"At this rate Severus," Katherine said, slightly calmer. "The boy will kill us all before this is over with."
"Hopefully not," Severus sneered. "But he cannot continue with these mistakes, or it will be end of the Malfoy line. I believe. We will keep on him until it is finished." He said, watching Katherine unconsciously turn her cane in her hand as she stared off into nothingness.
She was thinking of what would happen to her godson and honorary sister is the boy did fail his mission. But worse, she was thinking of what would happen to her best friend, the man standing in front of her now. Severus.
- 14
- 15
- 16
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The Potion Mistress and the Half-Blood Prince