The Changed Timeline
by Teddylonglong

All recognizable characters belong to J. K. Rowling, and I am not earning anything by writing this story.
I am not a native speaker of English. Please excuse my mistakes.

COMPLETELY AU! Partly OOC! Time travel!


Harry noticed immediately that Voldemort was extremely angry. 'Probably because of the unsuccessful attack on Diagon Alley last night,' he thought, when he was pulled into another vision.

Surrounded by Death Eaters, he heard himself speak, "My most faithful servants of my inner circle, the time has come to question if you're really as faithful as I always believed. How could the Aurors know about our plan to have our Halloween feast at Diagon Alley last night? The only reason which I can imagine is that we have a spy in our midst."

The Death Eaters bowed deeply, before one of them, whom Harry could not recognize because he was wearing a hood, said firmly, "My Lord, I have no idea how the Aurors could know about your plans, but I can't imagine having a spy here in our inner circle. Maybe one of the others left earlier yesterday, after the attack was announced. He would have had time enough to warn the Aurors."

"Impossible, Malfoy. I put the Anti-Apparition wards up yesterday, so that no one could get away. Crucio." Malfoy let out painful moans, and Harry heard himself continue, "Nott. What's your theory?"

"My Lord, I don't know. But it can't be any of these members. We know each other too well," another Death Eater replied, once again bowing deeply.

"Hopefully. Crucio. Avery, come here. Who could have alerted the Aurors?" Harry hissed.

"My Lord, I really have no idea. But don't you have a spy in the Ministry, who might be able to retrieve the information?"

"I don't have a spy with the Aurors. Crucio. Crabbe and Goyle, do you have a reasonable explanation for me?"

"No, my Lord, I'm sorry."

"My Lord, I have no idea. Sorry."

"Sorry is not enough. Crucio. Crucio. I expect better from all of you. I am very disappointed. You're dismissed."

Harry woke up, groaned and got sick all over the bed, just when Dumbledore strayed into the hospital wing, rushing over to his bedside. "Harry! What happened? Did you have another vision?" he asked in apparent concern.

Harry let out a long sigh and explained, "Voldemort is just very disappointed about the failed attack last night and was torturing the Death Eaters of his inner circle. That means Malfoy, Crabbe, Goyle, Nott, and Avery."

"Do you often have these visions?" Dumbledore asked gently, thoughtfully stroking his long beard.

"Quite often," Harry admitted, sighing. "Voldemort was gone until about fifteen months before I came here; therefore, I only had them during these fifteen months. Yesterday was the first time since I came to this time. Halloween seems to be special for Tom."

He took the still half-full phial from his night table, took a large sip and visibly relaxed.

"Is that the potion which Severus made for you?" the headmaster enquired, gently.

"Yes Professor. Did I not tell you that he is the best Potions Master of Britain in my time?" Harry replied, glancing at Severus, who was still peacefully asleep in the bed next to him.

"And I still can manage to keep him as our Potions professor?" Dumbledore asked in surprise, his eyes twinkling happily when Harry nodded.

'Certain information I'll have to put into my Pensieve before being obliviated,' Dumbledore thought to himself and said aloud, "I will get Madam Pomfrey to check on you. Afterwards, we can have breakfast together. There are a few things I would like to talk about with you, if you don't mind."

"Of course not, Professor," Harry replied in surprise.

Madam Pomfrey checked on Harry, clucking disapprovingly, before she turned to Dumbledore. "No, Albus. You can't take Mr. Pane with you. His scar still seems to be upset. Come back after breakfast if you really need to speak with him. If nothing else happens, I'm going to release him before dinner."

"Then I'll be back in thirty minutes. I want to talk to Harry, and after the events of the night I'm afraid that it can't wait," Dumbledore decided.

The healer made Harry drink a few potions, bandaged his head and made him eat a small breakfast, which he finished just in time for Dumbledore's return.

"Harry, when we talked in your dormitory last night, you said something about a certain 'Order of the Phoenix', is that correct?" Dumbledore asked with apparent curiosity. Seeing Harry nod affirmatively, he continued, "I've never heard about this Order. Could you give me some information, please?"

Harry looked at the Headmaster in confusion. 'What does that mean?' he wondered. 'The Order is Dumbledore's organization, isn't it?' He thoughtfully cleared his throat and said, "That is surprising. I thought you would know all about it. The Order of the Phoenix is an organisation of the light side, founded by you, and the members are mostly former students of Hogwarts, whom you trust, like for example the Weasleys."

Dumbledore smiled at the boy and said in determination, "Then I believe that it's time to found this Order. Why is it called the Order of the Phoenix?"

Harry let out a sigh. "I'm not sure, because I'm not yet a member of it. You and especially Professor McGonagall and Mrs. Weasley always insisted that I could only become a member after my graduation of Hogwarts. As far as I've heard, the name was chosen for two reasons. One has to do with the procedure of people entering the Order for the first time. I think Fawkes has to approve them. Maybe he knows more about it; I'm not sure if this was his idea or yours. The second reason is that you use the phoenix symbol for the Order and also for fast communication. But I don't know exactly how it works."

"Fine Harry; thank you so much for sharing this valuable information with me. Now, where and when does the Order meet?" Dumbledore queried.

"At my time they meet at Sirius' house, the old Black house. It's under the Fidelius Charm and you're the Secret Keeper, but as far as I know, before moving to the Black house, the Order met at Hogwarts, maybe in your office or somewhere. You use to call the Order whenever there's need, whenever Voldemort is attacking somewhere or when people of the Order have to guard something or someone for some reason."

Dumbledore nodded pensively. "Very well, Harry; that'll do for the beginning. One last question though. Do you know how many members the Order had in your time?"

Harry let out a thoughtful sigh, before he slowly replied, "No. I know about twenty of them, but there might be about fifty; some of them are not so active members. I'm not sure. Do you want me to tell you the names of the Order members I know?"

"Yes please; that would be very helpful. The full names please," Dumbledore replied eagerly.

"Albus Dumbledore as the boss, Minerva McGonagall, Severus Snape, Filius Flitwick, Pomona Sprout, I'm not sure if Madam Pomfrey is a member but I think so, Remus Lupin, Sirius Black, James Potter and Lily Evans. Not in my time of course because they were dead, but before they died. Peter Pettigrew was in the Order too at that time but was a Death Eater, Arthur Weasley, Molly Weasley and all of their children, Augusta Longbottom, Frank Longbottom and his wife Alice, who were in St. Mungo's at my time. Some Aurors like Mad Eye Moody, Kingsley Shacklebolt and Nymphadora Tonks; her mother was in the order too, I think, and Arabella Figg. The parents of James Potter were probably Order members as well. Sorry Professor; that's all I can come up with now. But if you ask me about certain persons, I might be able to tell you about them."

"All right Harry, thank you very much," Dumbledore replied, seeming grateful. "I'll have a talk with Fawkes and..." He interrupted himself only to enquire, "Who do you think would be my second hand in this Order?"

"Professor McGonagall. She is your second-in-command in everything, sir."

"Then I'll speak with her as well," Dumbledore said gently. "Maybe one of us will come and ask more questions later on. Now try to rest for a while."

Harry grinned. "I don't mind being asked questions. I'm glad to be able to help. Just please don't tell anyone except for Professor McGonagall about me; I really don't want any more attention than I already get anyway," he added pleadingly.

Dumbledore was just on his way out of the hospital wing, when Harry called him back. "I'm sorry Professor; I forgot to tell you something. As I told you earlier, Voldemort initiated several new Death Eaters last night, and I recognized a few of them. They were Malfoy, Nott, Crabbe, Goyle and Pettigrew."

Dumbledore's face paled visibly. "Peter Pettigrew? Are you sure?"

"Yes Professor, I'm one hundred percent sure," Harry said in a grave voice.

When Dumbledore left, Harry glanced around, noticing that Madam Pomfrey was not in sight. He scrambled out of his bed and left the hospital wing as fast and quietly as he could, before he hurried up to Gryffindor Tower. Fortunately, he did not meet anyone in his pyjamas and with the bandage around his head, because the second class of the day had just begun. He pulled a robe over his pyjamas, fetched his Potions book, parchment and a quill and made his way back to the hospital wing to look through the Potions book and take a few notes, before Severus was going to wake up.

Only two hours later, Severus came over and sat on the edge of Harry's bed. Before he could say or ask anything, Harry grinned and whispered, "Watch Pomfrey without attracting attention; as soon as she's out of sight let's get out of here."

Severus raised an eyebrow at his friend and queried, "Are you all right? Did she release you already?"

"No, but she said she'd release me before dinner, so I'll be fine," Harry reassured him, smirking.

"And where are we going to go?" Severus asked in surprise. "The Potions classroom is still being used at this time of the day."

Harry had not considered that. "Oh, that's right, but we could go to the Room of Requirement," he suggested, carefully glancing around. "Come on, Severus. She's not here, and the last morning classes have just begun, so let's go."

They ran up to the seventh floor, where Harry paced in front of the Room of Requirement, thinking, 'We need a Potions lab together with two comfortable chairs,' until a door appeared in front of him.

Severus let his eyes wander around the room in amazement. "Wow. What's this place?"

"The room is called the 'Room of Requirement'. You have to pace the corridor outside three times and wish for a room you need, and it appears. I've been using it quite often in the future. Look, there are shelves with the mostly used ingredients and everything that we need to brew potions."

Harry flopped himself onto one of the comfortable looking sofas and called his friend over. "Let's sit down and talk first. What are we going to do? I thought that I could make a list of the potions, especially healing potions, which still don't exist in this time. Maybe that sounds a bit crazy, but you invented many really useful potions like, for example, the Wolfsbane potion."

Severus gave Harry an amused look. "You mean you're going to teach me Potions?" he sneered.

Harry glared at his friend in annoyance. "Of course not; but last night, it really helped me a lot that you could brew the potion for me. I used the second half of it this morning." Ignoring Severus' horrified look, he continued, "I thought that I could just tell you about potions which are very useful in my time, even if I don't know the ingredients, so that you could invent them earlier than you would do otherwise in order to help others in this time. There's also the possibility that you only invented them in the future because I told you about it in this time. Oh, I don't know anymore." He sat back and closed his eyes. His head hurt, and he was getting tired. 'But it's so much fun to work together with Severus; it's almost as if Severus' enthusiasm for potions was contagious,' he mused.

"All right; I think your idea is not bad," Severus relented, thoughtfully. "You mentioned a potion before, the Wolfsbane potion. What exactly is it?"

"The Wolfsbane potion helps a werewolf to keep his mind during the full moon. He still changes into the werewolf form, but he is coherent. When Remus was teaching Defence Against the Dark Arts in my time, he didn't have to go to the Shrieking Shack to transform but could stay in this office. But it takes about a day to brew, has to be brewed freshly every month, and it's said to be one of the most difficult potions to brew," Harry explained patiently. 'Do I have to teach everyone in this time?' he thought tiredly, 'The headmaster about the Order, Severus about potions?'

They talked about several potions that could be invented, before Severus began to try brewing some of them. Harry helped, busily chopping many different ingredients. They managed to brew the Anti-Cruciatus potion once again, and Severus promised to leave it in the stock of the hospital wing.

"That should be enough for today; let's go to the Great Hall for dinner," Severus said in clear satisfaction, as he waved his wand to clean up his work space.

"All right, Severus. I'm going to return to my dormitory though; I'm tired and not hungry anyway," Harry said in a small voice, wanting nothing more than to sleep and forget his headache.

Severus glared at him. "You're going to get yourself in even more trouble than you're already in, especially with Madam Pomfrey; you know that, don't you?" he warned his friend.

Harry smirked. "I don't care. If anyone comes looking for me, I'll already be asleep."

Severus couldn't help chuckling. "You're incredible. By the way, do you want me to take your head bandage off, or do you prefer to leave it as it is?" he asked, smirking.

Harry shot him a terrified look, groaning. "Oh Merlin, I completely forgot about that. Thanks for telling me. Could you please take it off?"

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Dinner had already commenced when Severus slipped into a seat at the Slytherin table. His classmates immediately questioned him, "Slughorn told us that you had to stay in the hospital wing. Are you all right?"

"Yes. I didn't have to stay there; I only had to sleep, because I had to spend the night brewing a potion for Dumbledore," Severus answered in a very annoyed voice and finished his dinner quickly. However, before he could leave the Great Hall, Dumbledore called him over to the head table.

"Mr. Snape, did you by chance spend the afternoon together with Mr. Pane?" the Headmaster queried in a stern voice.

"Yes Professor, we did some potions research until dinner. With Harry's help, I managed to brew another new potion for the hospital wing, and I've got the ideas for a few more healing potions," Severus replied eagerly, ignoring the glares, which he received from Professor McGonagall and Madam Pomfrey.

"As commendable as this may be, and I am very proud of the two of you, my boy, Harry is really in trouble now," the headmaster said gravely. "He escaped from the hospital wing, although Madam Pomfrey didn't release him yet, and he missed lunch and dinner. Do you by any chance know where he might be now?"

"He told me that he was tired and would go back to his dormitory. I'm sorry, Professor, for not keeping him out of trouble," Severus apologized.

Dumbledore's eyes twinkled as he replied, "That, my dear boy, seems to be impossible."

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It was nearly seven o'clock, when Lily arrived for their Potions tutoring lessons, giving Severus a questioning look when Harry didn't show up.

"Hi Severus. Where's Harry?" she asked in a soft voice.

"Hello Lily. He won't be coming tonight. He was tired and went to bed," Severus explained, sighing. "He probably completely forgot about our tutoring. But we can still brew a potion together. I promised Madam Pomfrey to make a batch of headache potions for the hospital wing; would you be interested to assist?"

"Of course, if you tell me what I have to do," Lily said eagerly. "You know that I'm not better at Potions than Harry."

Severus smirked. "I've already laid out the ingredients. Would you mind preparing them and trying to hand them to me in the correct order in which I have to add them?"

"Is that the potion that we brewed at the end of last year?" Lily asked thoughtfully, closely examining the ingredients.

"Exactly."

While they were waiting for the potion to simmer for the last few minutes, Lily summoned all her courage and, averting her eyes to the floor, asked, "Severus, at dinner, when Professor Dumbledore announced the Hogsmeade weekend for the day after tomorrow, I thought that it might be nice if we could go there together, you, Harry and me. What do you think?" 'Oh, I can't believe it. I did it. I asked him,' she thought, slowly looking up to meet his eyes. One of his rare smiles was playing on his lips.

"Of course Lily, I'd love that, and I'm sure that Harry would like it too. We have to tell him tomorrow," he replied in a soft voice.

"Are we going to do our Animagus practice without Harry, or should we wait for him?" Lily queried, eager to finally manage the transformation.

"I think we could practise without him," Severus suggested. "He told me today that he already managed to change his whole body except for his head. As far as I know, he's practising with the Marauders every night."

"All right then, let's go on. May I have a go first?"

While the two sixth years were practising the Animagus transformation, a very upset head of Gryffindor entered the common room to look for Harry.

tbc... Thank you so much for your kind reviews!