It was the kind of night where the shadows seemed to hold people, maliciously watching every move. The moon, almost full, gleamed off the cobbled streets still wet from rainfall earlier in the night. A man walked with purpose, footsteps resounding through the narrow streets, his long travelling cloak whipping around his ankles. He tightened his cloak around him and adjusted the hood as the breeze threatened to reveal his face.

He turned abruptly down one of the side streets and approached a small, insignificant looking door. He rapped on the door with his knuckles rather than using the old knocker which appeared to be rusted shut. The door creaked open at his touch.

"Greyback," the man said sternly. "Not a fan of security or protective charms, are you?"

The man on the other side of the door narrowed his eyes, lips curled into an animalistic snarl.

"Nobody knows where I am except you," he growled. His eyes darted around the street before creaking the door open. He grunted and jerked his head, beckoning his visitor inside.

The man entered and pulled down his hood revealing his face which turned to a grimace as he surveyed the small room.

"Allow me," he said as turned and muttered an incantation towards the door. "We should be sufficiently protected from intruders."

"Do yeh have it or not, Burke?" Greyback growled.

Burke narrowed his beady eyes at Greyback and pulled a jar from inside of his cloak. The contents were thick and a red so dark it almost looked black. He handed the jar to Greyback who grinned manically. He hastily opened the jar and began chugging the contents. Burke looked on with a face of disgust.

"That's the last of it," he said firmly. "I'm being investigated. Potter –"

"Yer always being investigated," Greyback said, wiping his mouth on the back of his hand. "Potter can't do anything."

"Even so, my stock is depleted."

"You know I can't hunt like I used to."

"Go to a muggle area, they'll never know the difference."

"I hate the taste of muggles," Greyback grimaced. "Too acidic or something. Besides, I have my sights on certain targets."

Burke raised an eyebrow. "And who might that be?"

Greyback barked in laughter. "Nothing tastes better than a child who already has a bit of wolf in them," he said hungrily. "I'm going to get my revenge on Potter the only way I know how."

"The Lupin boy can wait," Burke said sternly. "You know the plan."

Greyback crossed his arms like a sullen child. "I never agreed to this plan," he grunted.

"Your agreement was your release from Azkaban. Or would you prefer to go back?"

"No. I'll follow the ruddy plan. It's your job to keep me in supply." He gave Burke an appraising look. "I still don't know what's in it for you."

Burke smiled slyly. "Never you mind."

Greyback narrowed his eyes and took another slug of his goblet, licking his lips hungrily to lap up every last morsel of his precious, soon to be diminished, liquid. Burke's upper lip had become pinched in disgust.

"I've come with orders," Burke said.

Greyback slammed the goblet onto the table.

"I'm ready," he said grinning manically. "We're getting close to the full moon, I'm on edge – tell me what to do. What does he want?"

"We'll be moving you tomorrow night and putting you in position."

"Hogwarts?"

"I didn't say that."

"Where else could it be?" Greyback growled angrily.

"Don't pretend that you understand the plan, Fenrir. It makes you look dumber than you are." Greyback glared.

"Listen and don't speak," Burke said slowly. "I'm not wasting my time. I'm only going to explain once." Greyback leaned forward eagerly, his lips curling revealing sharp yellowed teeth.

"Ron, stay to my left. Higgins, stay behind. Aim to incapacitate, not to kill." Harry looked around at his team as they nodded. "Alright, wands at the ready."

They turned the corner down the narrow side streets of Knockturn Alley. They had received a tip that Caractacus Burke had been supplying Greyback with something to this address that night. Harry was usually reluctant to follow tips; but they had been watching Burke for the past number of days waiting for him to leave his shop. That night, he had walked exactly to the address that they had been given. It almost seemed too good to be true.

They reached the door that Burke had just entered. Harry waved his wand over the door, casting the necessary curse and hex detecting spells. The door glowed a bright green, indicating that it was safe to enter. Harry nodded towards Ron and Higgins who took a step backwards.

"Confringo!" Harry shouted, blasting open the door.

The door opened releasing a tall burst of flames. There was a burning white light and Harry felt as though his face was being stabbed with thousands of needles. Stunned and confused from the explosion, rather than casting a spell, he raised his arms to protect himself from the blast.

In an effort to shield him, Harry was knocked to the ground by Ron who had avoided the worst of the flames by way of standing behind Harry. Ron then stood up and fired various spells towards the impeding flames to prevent the blaze from advancing. Harry, still dazed from the blast, lay on the ground, his head spinning and his body burning from contact with the flames. Higgins was at Harry's side and was feebly shooting water at him to reduce the burning.

Harry heard a familiar manic laugh from behind the flames. "Fiendfyre, you genius," Greyback laughed.

The entire right side of Harry's body was burning, his robes feeling as though they had melted into his skin. His right arm appeared to be still on fire despite Higgins' persistent attempts to diffuse it.

"Potter can't protect little Lupin like this now, can he," Greyback sneered. Harry shot up, pain searing across his skin. Greyback met his eyes through the flames that were being successfully held back by Ron's shield charms. Greyback's yellow eyes bore into him. His lips curled into a malicious snarl.

"He's mine, Potter," he growled.

Ignoring the pain down his right side, Harry lunged towards Greyback and back into the body of the flames. Ron grabbed him around the waist in an effort to restrain him.

A cloaked figure appeared through the flames next to Greyback. With a crack, Greyback was grabbed by the cloaked figure and they disapparated. Harry desperately scrambled towards them.

"They're gone, mate."

"He's after Teddy, I need to go," Harry gasped, struggling to escape from Ron's grasp. His attempts were in vain as the right side of his body refused to cooperate. Unable to fight back, and realising the futility of fighting after Greyback had dissapparated, Ron eventually managed to coerce Harry onto his knees.

"Harry, we're going to Mungo's," Ron said with an uncharacteristic firmness. Harry looked blearily at his friend, fear evident on Ron's face. Ron was muttering incantations over Harry's arm. What Harry saw shocked him.

Although painful, Harry was not prepared for what he saw. The fire that he had attempted to diffuse on his sleeve raged on, as if burning from inside of him. His flesh had almost entirely been burned off, exposing bone around his wrist.

"Yeah, Mungo's," Harry said in a pained voice. Remembering he was at a crime scene he said to Higgins; "Higgins, review the scene. I'll send backup."

Ron grabbed Harry's good arm to apparate them to the hospital.

Harry opened his eyes and took in the room around him. White, bright – a hospital room. Light streamed through the window on his left-hand side, illuminating his surroundings.

"Harry?"

He looked toward the familiar voice, dripping with concern. Ginny was leaning over him, her long red hair cascading over her shoulders. She appeared blurry without his glasses, but he could make out the concern on her face.

"Hi, Gin," he said attempting to smile. The skin on his face felt unusually tight.

"Oh, Harry, I've been so worried," she leaned in to kiss him but pulled back before touching him.

"What's the damage?" he asked. After everything he went through in Hogwarts and almost eleven years as an Auror, he was no stranger to injuries. Ginny averted her eyes from him, reluctant to give him an answer.

"Ginny?" Harry urged.

The door creaked open and an older man with a poof of grey hair entered wearing Healer robes.

"Ah, Mr Potter, I see you've woken up. I'm Healer Jacobs." Harry attempted to smile at him but again his face felt tight.

Healer Jacobs smiled back, realising what he had tried to do. "You might want to keep your facial movements to a minimum for the time being, Mr Potter."

"What's happened?"

"You've been badly burned. Fiendfyre, by the looks of it." Harry groaned. He looked down at his arm which was resting above the sheets. He didn't feel any pain in his arm but it was heavily bandaged right down to his finger-tips. Come to think of it, he couldn't feel anything on his arm.

"Mr Potter," Healer Jacobs began gravely. "The injuries you have sustained have been quite severe. Fiendfyre cannot be put out by magic and well… I've never seen anything like this… Well – you'll have to see for yourself."

He leaned over and slowly began to peel off Harry's bandages. "You might want to step back, Mrs Potter." Ginny nodded and moved from her chair, taking three steps back. She had one hand hugging her waist and the other held to her mouth. Her eyebrows were furrowed, and her eyes were full of worry.

Healer Jacobs continued to unroll Harry's bandaged arm. Suddenly, as the last of the bandage was removed, flames burst from Harry's arm.

After the initial shock of seeing his arm on fire subsided, Harry attempted to examine his injury further. The flame seemed to emanate from the area just below the crook of his elbow. The surrounding area comprised of raw, exposed flesh, shining in the light of the flames. The flesh which was not exposed or on fire was almost entirely black like charcoal. The shrivelled, blackened skin stretched to the tips of his fingers, disconcertingly reminding Harry of Dumbledore's cursed, decaying hand in the months before he died.

Harry looked at Ginny whose eyes were wide with fear and concern. Healer Jacobs began hastily rewrapping his arm, the flames subduing as he did so.

"I understand this is shocking Mr Potter," he said calmly. "We have done what we could to control the flames. When you arrived, the entire right side of your body was on fire. We put out the flames on your face and legs – you are left with burns which are the cause of the tightness you feel but you should make a full recovery, with no scarring. Your arm however…"

"I shielded my face with my arm," Harry said. "It must have had more exposure to the flames."

"That is what we assumed," Healer Jacobs responded. "As you can see, these bandages are flame resistant, so they will keep the fire at bay. We are exploring various methods to put out the flames but –"

"Why can't I feel my arm?"

"We have cast a powerful numbing charm. I don't think anyone wants to feel the sensation of their arm on fire," he chuckled.

"Will he have to stay here?" Ginny asked.

"For the time being, yes. At least until we can manage the flames better. Although there is no knowing how long that might take. And work will be out of the question for a number of months."

"Months?" Harry asked incredulously. "I can't be out of work for months - I'm Head of the Department. There's killers to catch, Greyback…" Harry trailed off. Greyback. He was targeting Teddy.

"I need to speak to Ron," Harry said to Ginny, ignoring Healer Jacobs' attempts to assure him that he could do with a nice break.

"You need to rest, Harry. If it's case related, it can wait," she said placing her hand on his uninjured shoulder.

"Ginny, Greyback did this. Greyback and Burke. He threatened Teddy, he's targeting him. I need to speak to Ron now."

Ginny paled. Harry felt her grip tighten on his shoulder, her nails digging into him. She nodded and left the room, returning moments later with Ron and Hermione. Ron was looking dishevelled while Hermione appeared more excited than concerned. The prospect of researching his injuries had dissolved her worry, no doubt.

Hermione started speaking in a rapid fashion as soon as she entered the room. "Harry, I've been researching Fiendfyre and looking for other cases like this and –"

"Thanks, Hermione, I appreciate it," Harry said quickly, cutting her off. "Ron, what happened to Greyback?"

"Burke apparated away with him. We couldn't get through the fire to him."

"We need to station Aurors at Hogwarts tomorrow night. Greyback might target the school to get to Teddy," Harry said quickly, ignoring his present circumstances and returning to Auror mode. Ron nodded in agreement.

"I want Teddy to leave Hogwarts tomorrow during the full moon."

"Harry, do you really think that's a good idea?" Hermione said with concern. "He's safe there. There's nowhere safer than Hogwarts."

"How can you still say that after everything we've been through? He's safer with me," Harry said determinedly.

"Harry, you can't even move your wand arm. You're stuck here and about to burst into flames at any minute," Ginny said exasperatedly.

"I won't burst into flames, Ginny. And I can use my wand arm." He reached for his wand and shot bubbles from the tip to prove his point.

"I'm not staying here. We'll both go to the house, nobody can find us there under the Fidelius Charm. I won't need to fight anyone, I just want to know he's safe."

Ron, Hermione and Ginny all looked grim but nodded in acceptance. Harry had a point and they all wanted to keep Teddy safe.

"Mr Potter, I'm sorry but I don't advise leaving the hospital, it would be against policy and would only slow down the process of your healing," Healer Jacobs blustered, his round face wobbling as he spoke.

"I'm sorry, Healer Jacobs, thank you for your help but I'm not staying here tomorrow," Harry said firmly. Healer Jacobs looked like he wanted to argue but looked around the others for backup to be met with a crowd of resigned faces.

"Sorry, sometimes there's really no way of arguing with the Chosen One," Ron said with a smirk. Harry scowled at Ron who merely shrugged.

Injured or not, there was no way Harry was going to leave Teddy unprotected the following night. He had promised Remus that he would look after him and keep him safe. Nothing was going to stop him from doing that.

"He's targeting Teddy because of me," Harry said quietly when Healer Jacobs had left. "Greyback knows that the best way to get to me is to hurt my family."

"We're not going to let him hurt Teddy, Harry," Ron said seriously. "We all care about Teddy as much as you, he's one of the family. We would never let any harm come to him."

"You have to think about what we know about Greyback," Hermione said. "He's irrational and impulsive – he doesn't have the intelligence or magical ability to break into Hogwarts."

"He broke out of Azkaban," Harry said grimly.

"You and I both know that's an argument against the Dementors rather than a credit to Greyback's intelligence," Hermione sniffed.

"What I want to know is; why is Burke helping him?" Ron said. "What's in it for him?"

"Did Higgins go over the scene?" Harry asked.

"Scoured the place," Ron said. "Looks like Greyback's been living there for a while – probably since he escaped from Azkaban. Bloody psycho had jars of blood lying around."

"What sort of blood?" Ginny asked.

"Exactly the sort that you're thinking of," Ron said with a grimace.

"He's a foul monster," Hermione said aghast.

"Any evidence as to why Burke was visiting him?" Harry asked.

"I reckon he was supplying him with the blood."

"Why? It's not as though Greyback can afford to pay him, and I doubt that blood comes cheap," Harry mused.

The door of Harry's hospital room swung open. The four occupants turned to the man who entered.

"Kingsley," Harry greeted. "What do I owe the pleasure of the Minister for Magic visiting my bedside?"

"Harry, m'boy," Kingsley smiled. "It is too rare an occurrence that you're in here. Your poor wife, how have you not kicked him to the kerb for treating you like this, Ginny?"

"I'm just incredibly supportive," Ginny said rolling her eyes. "I love a rebel." Kingsley laughed.

"I've spoken to your Healer, Harry," Kingsley started.

"I'm off the field, I know," Harry said dismayed. "I swear it's not a bad injury, I'll be ready to go back within a few days."

"I'm afraid your Healer says very differently. Fiendfyre?"

"It's not that bad," Harry mumbled. "I need to work – Greyback is targeting Teddy."

"I agree, Harry," Kingsley said. "Ron explained everything to me. If I had my way, you'd be back on the field tomorrow. Harry sat up, looking hopeful. "But I can't keep giving you special treatment – even if you are the Saviour or whatever they call you. You're still my employee. And there are rules that need to be followed."

"So that's it," Harry stated. "I'm off the field until they work out how to put out this fire on my arm." He weakly lifted his arm before letting it flop back onto the bed. He caught Ginny grimacing from the corner of his eye.

"Not necessarily, Harry," Kingsley smiled. "I may have a way that you can still do your job and be on the field."

"Harry is the most famous wizard in the world, he can't do undercover," Hermione stated. "Besides, he shouldn't put himself in any more danger."

"It's not necessarily an undercover position, Hermione," Kingsley explained. "But he will be in the thick of the action. While staying off the field, of course."

Hermione looked positively baffled.

"I think you should listen to Healer Jacobs, Harry," Ginny said. "You have three children to think about. You shouldn't put yourself in the thick of it when you're injured." She glanced down at his blackened fingers and visibly held back a shudder.

"I have four children to think about, Gin," Harry said firmly. "And one of them is in danger. I'll do anything I can to protect him." Harry and Ginny's eyes met. The couple shared a wordless conversation; Harry pleading with his wife to understand.

"Alright," Ginny sighed. "Do it for Teddy."

AN: Thank you to everyone who has followed this story so far. This chapter is a little bit shorter and told from different points of view. Do you prefer reading from Teddy's POV or Harry's? I would really appreciate any reviews or constructive criticism you have. Questions are also welcome!

The next chapter will probably be up later on this week as this one was slightly shorter than others.