A/N: I'm going to make this clear. I don't own the Harry Potter series or it's characters. That right goes to JK Rowling

If you haven't yet, read before this story:

The Son and Nephew of the Maurders: The Sorcerer's Stone
The Son and Nephew of the Maurders: The Chamber of Secrets

Also if you haven't please take part on voting for which story you want me to update next month

First Lesson with Professor Lupin

James really needs to talk to Hagrid about being more enforced with Care of Magical Creatures. He don't blame Hagrid for what happened to Harry. Harry took the attack for Malfoy to save Hagrid. That's just something Harry do. Heck, it was something Lily would do. But if Hagrid wants to keep his job, he needs to make sure none of this happen again. After all, Care of Magical Creatures is one of the three most dangerous classes in Hogwarts. If you are too carefree and friendly in such a dangerous class, students will just walk all over you and the Hospital Wing would have been stock full daily with arrogant students who got themselves hurt.

…

It was Thursday, and Harry was getting tired of Malfoy. Malfoy was still milking the fact he came close to losing his arm (as he puts it) with anyone who would listen. It was even worse when Gryffindor house had to take potions with Slytherin. They were supposed to be making a shrinking solution. But it was hard for Harry to pay attention with Malfoy moaning and groaning about his close call.

Of course Snape didn't do anything about it. Snape favored Slytherin House, and he especially favored Malfoy.

It didn't help Neville either. Neville was always scared of Snape and because of it he always messes up with his potions. But with his fear of Snape and annoyance with Malfoy he had it worse now. His potion, which was supposed to be bright, acid green, had turned—

"Orange, Longbottom," said Snape, ladling some up and allowing it to splash back into the cauldron, so that everyone could see. "Orange. Tell me, boy, does anything penetrate that thick skull of yours? Didn't you hear me say, quite clearly, that only one rat spleen was needed? Didn't I state plainly that a dash of leech juice would suffice? What do I have to do to make you understand, Longbottom?"

Even from where Harry sat, he could tell Neville's fear over took his annoance as he turned pink and trembling.

"Please, sir," said Hermione who was his partner, "please, I could help Neville put it right—"

"I don't remember asking you to show off, Miss Granger," said Snape coldly, and Hermione went as pink as Neville. "Longbottom, at the end of this lesson we will feed a few drops of this potion to your toad and see what happens. Perhaps that will encourage you to do it properly."

Snape moved away, leaving Neville breathless with fear.

"Help me!" he moaned to Hermione.

"Hey, Harry," said Seamus Finnigan, leaning over to borrow Harry's brass scales, "have you heard? Daily Prophet this morning—they reckon Peter Petigrew's been sighted."

"Where?" Harry asked. Ron listened too as he was interested.

"Not far from here," said Seamus, who looked excited. "It was a Muggle who saw him. 'Course she didn't really understand. As far as they know he's just an ordinary criminal. So she phoned the telephone hot line. By time the Ministry of Magic got there, he was gone."

"Not far from here…" Ron muttered.

"Thanks for telling me, Seamus," Harry said.

The end of the lesson in sight, Snape strode over to Neville, who was cowering by his cauldron.

"Everyone gather 'round," said Snape, his black cold eyes glittering. "and watch what happens to Longbottom's toad. If he has managed to produce a Shrinking Solution, it will shrink to a tadpole. If, as I don't doubt, he has done it wrong, his toad is likely to be poisoned.

The Gryffindors watched fearfully. The Slytherins looked excited. Snape picked up Trevor the toad in his left hand and dipped a small spoon into Neville's potion, which was now green. He trickled a few drops down Trevor's throat.

There was a moment of hushed silence, in which Trevor gulped; then there was a small pop, and Trevor the tadpole was wriggling in Snape's palm.

The Gryffindors burst into applause. Snape, looking sour, pulled a small bottle from the pocket of his robe, poured a few drops on top of Trevor, and he reappeared suddenly, fully grown.

"Five points from Gryffindor," said Snape, which wiped the smiles from every Gryffindor's face. "I told you not to help him, Miss Granger. Class dismissed."

Harry Ron Hermione and Neville climbed the steps to the entrance hall.

"Five points from Gryffindor because the potion was all right! Why didn't you lie, Hermione? You should've said Neville did it all by himself!"

"Ron, no offense, but Snape wouldn't believe that," Hermione said. "It would just cost us more points."

"Come on guys," Harry said. "The sooner we get something to eat the sooner we can get to Defense Against the Dark Arts."

…

Remus wasn't there when they arrived at his first Defense Against the Dark Arts lesson. They all sat down, took out their books, quills, and parchment ,and were talking when he finally entered the room. Remus smiled vaguely and places his tatty old briefcase on the teacher's desk.

"Good afternoon," he said "Would you please put all your books back in your bags. Today's will be a practical lesson. You will need only your wands."

Most of the Gryffindors looked curious and uneasy as they put away their books. They haven't had a practical Defense Against the Dark Arts since last year when their former teacher Professor Lockhart had brought a cageful of pixies to class and set them loose.

But Harry wasn't worried. Lockhart was a joke, but his uncle was truly experience in dealing with the Defense Against the Dark Arts.

"Right then," said Remus, when everyone was ready. "If you'd follow me."

Puzzled and interested, the class got to their feet and followed Remus out of the classroom. He led them along the deserted corridor and around the corner, where the first thing they saw was Peeves the Poltergeist, who was floating upside down in midair and stuffing the nearest keyhole with chewing gum.

"Peeves," Harry muttered in annoyance. Out of all the spirits and magical creatures that called Hogwarts their home, Peeves was the one Harry hated the most. Every time the two of them meet, Peeves would drop something on his head or pranked him infront of everyone.

Peeves must of heard his name, because he looked up. But when he did, it wasn't Harry he first noticed. It was Remus. Peeves wiggled his curly-toed feet and broke into song.

"Loony, loopy Remus," Peeves sang. "Loony, loopy Remus, loony loopy Remus—"

Most of the students were confused. Peeves usually showed some respect toward the teachers. They expected Remus to be mad, but instead he was smiling as if this wasn't the first time Peeves done this.

Which Harry knew it wasn't.

The Maurders had history with the poltergeist after all.

"I'd take that gum out of the keyhole if I were you, Peeves," he said pleasantly. "Mr. Filch won't be able to get in to his brooms."

Filch was the Hogwarts caretaker, a bad-tempered squib—a non-magical being born from a magical family—who waged a constant war against students and, indeed, Peeves. However, Peeves paid no attention to Remus's words, except to blow a loud wet raspberry.

Remus gave a small sigh and took out his wand.

"This is a useful little spell," he told the class over his shoulder. "Please watch closely."

Harry did as his uncle raised his wand to shoulder height, said, "Waddiwasi!" and pointed it at Peeves.

With the force of a bullet, the wad of chewing gum shot out of the keyhole and straight down Peeve's left nostril; he whirled upright and zoomed away.

"Cool, sir!" said Dean Thomas in amazement.

"Thank you, Dean. I imagine some of you might find that spell rather useful against Peeves in the future," said Remus as he winked toward Harry and putt his wand away again. "Shall we proceed?"

Harry wasn't surprise of the wink. It was no secret to his uncles that Peeves loves to torture Harry and Harry hates him for it.

They set off, this time with Harry's classmates having more respect for his uncle. Many of them heard Harry saying his uncle was better than both Quirrell and Lockhart, but now they saw it themselves just how good he was.

Remus led them down a second corridor and stopped, right outside the staffroom door.

"Inside, please," said Remus, opening it and standing back.

The staffroom, a long paneled room full of old, mismatched chairs, only had two teacher in it: Professor Snape and James Potter, who looked like they were in a standoff of yet another argument, which stopped when the class entered. Snape's eyes were glittering and there was a nasty sneer playing around his mouth. James rolled his eyes at the potion master as Remus prepared to closed the door behind him.

"Leave it open, Lupin," Snape said. "I'd rather not witnessed this."

"What's wrong Professor?" James asked. "Worried something go wrong?"

"With Neville Longbottom here, yes," Snape said. "He can't be entrusted with anything difficult without Miss Granger hissing instructions in his ear."

James shook his head as Neville went scarlet.

"That's interesting to hear, Professor," Remus said. "Because I was actually hoping Neville would assist me with the first stage of the operation, and I'm sure he will perform it admirably."

Neville's face went even redder with fear and worry now. Neville liked Remus as a family friend, and he didn't want to do anything that might embarrassed one of his friend's surrogate uncle.

James took a seat in one of the chairs, interested in how his old friend's plan plays out, as Remus beckoned the class toward the end of the room, where there was nothing but an old wardrobe where the teachers kept their spare robes. As Remus went to stand next to it, the wardrobe gave a sudden wobble, banging off the walls.

"Nothing to worry about," said Professor Lupin calmly as some of the students jumped back in alarm. "There's a boggart in there."

Harry's ears perked up when he heard that.

"Boggarts like dark, enclosed spaces," said Professor Lupin. "Wardrobes, the gap beneath beds, the cupboards under sinks—I once met one that had lodged itself in a grandfather clock."

Harry failed to hide his snort at this. He remembered when that happened. It was during one of his visits at his uncle Padfoot's family house. His dad and Remus volunteered to try and help Padfoot clear the house of some of the dark magical items in the place before his house elf Kreacher gets hold of them. Amongst them was an old grandfather clock that was shaking uncontrollably that kept waking up the portrait of his uncle's late mother causing her to scream real loud. Harry tried to find out what it was, but James pulled him away before his uncles took care of it. It wasn't until later, Harry found out the reason was because a boggart was hiding in there.

"This one moved in yesterday afternoon, and I asked the headmaster if the staff would leave it to give my third years some practice. So, the first question we must ask ourselves is, what is a boggart?"

Hermione and Harry both shot their hands in the air, which didn't come to surprise with any of the other Gryffindors. When it came to Defense Against the Dark Arts, Harry and Hermione were the best of their year.

"It's a shape shifter," Hermione started, which Harry didn't complain about. "It can take the shape of whatever it thinks will frighten us most."

"But it can only do it with one person at a time," Harry added. "If it face more than one person then it'll grow confuse and take form of both of the person's fear at once and ended becoming a mix hybrid of the fears which tend to end up being a joke."

"I couldn't have put it better myself," said Remus. "So the boggart sitting in the darkness within has not yet assumed form. He does not yet know what will frighten the person on the other side of the door. Nobody knows what a boggart looks like when he is alone, but when I let him out, he will immediately become whatever each of us fears. But because our large numbers, just as Harry put earlier, it wouldn't know which form to take. It sometimes is best handling them in a group. But if you are ever alone when you face one, then you'll need a simple charm that requires a force of mind. Can anyone tell me what finishes off a boggart?"

Harry shot his hand up and said. "Laughter!"

"That's correct!" Remus responded. "What you need to do is force it to assume a shape that you find amusing. We will practice the charm without wands first. After me, please… Riddikulus!"

"Riddikulus!" said the class together.

"Good," said Remus. "Very good. But that was the easy part, I'm afraid. The word alone is not enough. And this is where you come in, Neville."

The wardrobe shook again as Neville walked forward in fear.

"Right, Neville," said Remus. "First things first: What would you say is the thing that frightens you most in the world?"

Neville's lips moved, but no noise came out.

"Didn't catch that, Neville, sorry," Remus said.

"It's professor Snape," Harry spoke up for his friend. "Neville been frightened of him since our first potions class during our first year."

None of the Gryffindors laughed at that as they sympathize with Neville. After all, they seen first hand just this morning how much Neville fears their potion master.

"Hmmm…" Remus hummed thoughtfully. "Neville, you are familiar of the robes your grandmother wears, right?"

"Y-Yes sir," Nevlle said. "She always wore the same hat. A tall one with a stuffed vulture on top. And a long dress… green normally… and sometimes a fox-fur scarf with a big red handbag."

"Right then," said Remus. "Can you picture those clothes very clearly, Neville? Can you see them in your mind's eyes"

"Yes."

"When the boggart bursts out of this wardrobe, Neville, and sees you, it will assume the form of Professor Snape," said Remus,. "And you will raise your wand—thus—and cry 'Riddikulus' and concentrate hard on your grandmother's clothes. If all goes well, Professor Boggart Snape will be forced into that vulture topped hat, and that green dress, with that big red handbag.

There was a great shout of laughter—especially from James who couldn't wait to see it happen. The wardrobe wobbled violently.

"If Neville is successful, the boggart is likely to shift his attention to each of us in turn," said Lupin. "I would like each of you to take a moment now to think of the thing that scares you most, and imagine how you might force it to look comical.

The room went quiet. Harry didn't need to think of what scared him most: the fear of Voldemort coming back in full strength and finishing up what he started twelve years ago by killing him. Harry decided the best way to handle that is to imagine Voldemort's spell backfiring only this time his wand burst streamers and confetti he seen in one of his cousin Dudley's birthday parties when they were younger.

But then another thought occurred to Harry. The Dementor on the train. What it the Boggart took form of that.

Harry never thought of it as a fear, but now that he thought of it, he started to realize Malfoy might be onto something about harry being scared of it.

Harry shook his head, not wanting that thought cross his mind and decided if it did happen, he'll just use the same plan as with Voldemort, only with the form under the cloak burst out.

Yeah, that would work, Harry thought.

…

James watched his son closely, worried what kind of fear be running through his son's head. He knew what was Harry's worst fear. But for the Boggart to take it's form… that was something he hope they won't come too.

…

"Everyone ready?" said Remus, also concern about Harry but was hiding it. Everyone was nodding, including Harry.

"Neville, we're going to back away," said Remus. "Let you have a clear field, all right? I'll call the next person forward… Everyone back, now, so Neville can get a clear shot—"

They all retreated, backed against the walls, leaving Neville alone beside the wardrobe. He looked pale and frightened, but he had pushed up his sleeves of his robes and was holding his wand ready.

"On the count of three, Neville," said Remus, who was pointing his own wand at the handle of the wardrobe. "One – two – three – now!"

A jet of sparks shot from the end of Remus' wand and hit the doorknob. The wardrobe burst open. Hook-nosed and menacing, Professor Snape stepped out, his eyes flashing at Neville.

Neville backed away, his wand up, mouthing wordlessly. Snape was bearing down upon him, reaching inside his robes.

"R-R-Riddikulus!" squeaked Neville.

There was a noise like a whip crack. Snape stumbled; and now was wearing a long, lace trimmed dress and a towering hat topped with a moth eaten vulture, and he was swinging a huge crimson handbag.

There was a roar of laughter; the boggart paused, confused, and Remus shouted. "Parvati! Forward!"

Parvati walked forward her face set. Snape rounded on her. There was another crack, and where he had stood was a blood-stained, bandaged mummy; its sightless face was turned to Parvati and it began to walk toward her very slowly, dragging its feet, its stiff arms rising—

"Riddikulus!" cried Parvati.

A bandage unraveled at the mummy's feet; it became entangled, fell face forward, and its head rolled off.

"Seamus!" roared Remus.

Seamus darted past Parvati.

Crack! Where the mummy had been was a woman with floor length black hair and a skeletal, green-tinged face—a banshee. She opened her mouth wide and an unearthly sound filled the room, a long wailing shriek that made the hair on Harry's head stand on end—

"Riddikulus!" Seamus shouted.

The banshee made a rasping noise and clutched her throat; her voice was gone.

Crack! The banshee turned into a rat chasing its tail in a circle, then—crack—became a slithered and writered snake before—crack—becoming a single, bloody eyeball.

"It's confused!" shouted Lupin. "We're getting there! Dean!"

Dean hurried forward.

Crack! The eyeball became a severed hand, which flipped over and began to creep along the floor like a crab.

"Riddikulus!" Dean yelled.

There was a snap, and the hand was trapped in a mouse trap.

"Excellent! Ron, you next!"

Ron leaped forward.

Crack!

Quite a few people screamed. A giant spider that Harry swear resembles Hagrid's pet giant spider Argon (which they knew what it looked like from when they met Argon last year), was advancing on Ron, clicking its pincers menacingly. For a moment, Harry thought Ron had frozen. Then—

"Riddikulus!" bellowed Ron, and the spider's legs vanished; it rolled over and over; Lavender Brown squealed and ran out of its way and it came to a halt at Harry's feat.

"Harry!" James and Remus yelled rushing to his aid.

But it was too late. The Buggart took form of a full size dementor. The room went silent with fear as the dementor approached Harry.

It's not real, stick to the plan, Harry thought to himself before raising his wand. "Riddikulus!"

With a pop, confetti and streamers exploded out of the cloak as it fell to the floor. Harry chuckled at it ,which cause the boggart to burst into a thousand tiny wisps of smoke, and then was gone.

Remus cleared his throat. "Excellent work there, Harry. Five points to every person to tackle the boggart, five to Hermione for answering my questions correctly and ten to Harry for that and conquering his boggart. Excellent lesson. Homework, kindly read the chapter on boggarts and summarize it for me… to be handed in on Monday. That will be all."

Everyone left the room including Harry who was still confused and shock.

James walked over to his friend. "Well that was unexpected."

Remus nodded. "I thought for sure it would take form of Voldemort at Harry's presence."

James shrugged. "I hate to admit it but it probably would have if Harry didn't encountered those Dementors on the train. I'm just surprise Harry knew how to overcome the boggart. Not many people who fear Dementors or what they represent most are able to do that."

A/N: The dementor exploding into confetti and streamers came to my mind as I worked on this chapter and I thought I give it a try. I hope you enjoy