Unmei No Henka?

This is a new story idea I came up with that wouldn't leave me alone. I was going to write all the chapter then upload but I couldn't wait! (Even if it is 2:20 in the morning... -_-)

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Summary- 6 months after Merlin's magic is discovered and he is sentenced to death a mysterious thief appears that starts terrorising the citizens of Camelot. Soon, what started as a simple task of catching an unknown thief turns deadly when the murdering of nobles and knights begins. With destiny forgotten will Camelot survive or will it be destroyed by the hands of the one who used to protect it.

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"When you forgive, you in no way change the past - but you sure do change the future."- Bernard Meltzer

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Prologue- The beginnings of Change

Merlin stood in shocked silence, his terrifies gaze locked onto Arthurs, who too stood too shocked to do anything. He hadn't wanted Arthur to find out yet and not like this. It had happened too quickly.

They had been bantering as usual when the door had burst open and a knight had burst into the room 'sire, there is an-' He dropped to the ground, dead, a dagger embedded into the back of his head. A figure appeared behind the now dead knight, yanking the dagger out of the knight's head as he passed.

'It's a pleasure to finally meet you in person King Arthur' he sneered 'I'm glad I can finally kill you.' Before Merlin or Arthur could react a knife was being thrown towards a defenceless Arthur, whose sword was across the other side of the room. The dagger was too quick to doge.

'fríese. Æthwierfe!'

The knife froze, inches from Arthur's face, before it turned around and flew back towards the attacker, stabbing him in the stomach. The attacker stumbled slightly in shock; he then turned and fled out the room, only escaping because Arthur was too stunned to follow. His eyes were locked onto Merlin, his hand outstretched and eyes fading from gold back to familiar blue. In the distance warning bells tolled, alerting the rest of the castle to the sorcerer who had by now escaped, wounded and perhaps dying. The sound of the bell snapped Arthur back to reality.

'You have- you're a sorcerer.'

"Warlock actually" Merlin wanted to correct but he was too terrified to speak, scared about what was going to happen to him. Surely Arthur wouldn't kill him, right?

When Merlin didn't reply Arthur grew frustrated 'All these years' he shouted taking a step towards Merlin, who flinched nervously 'I trusted you! And you lied to me!'

'Arthur I-'

'NO. I don't want to hear it! No more lies!' He strode across the room and grabbed his sword, immediately pointing it at Merlin 'Was it all just an act? An act so we would trust you and then you'd kill us all.'

'Arthur let me explai-'

Arthur's sword was now touching Merlin's neck 'you better start explaining, traitor, or I'll run you through.' Merlin flinched again, trying to take a step backwards. 'Arthur, all I have ever done is used my magic to protect you! I'm not evil, neither is magic!' Arthur pressed his sword further into Merlin's throat, drawing a bit of blood.

'Liar' he growled

'I'm not lying Arthur!'

'Magic is evil. It corrupts whoever uses it. All it causes is destruction. I doubt you are any different, sorcerer.'

At that moment two knights came running through the doors, it was Sir Leon and Sir Gwaine. They paused in shock at the scene before them; Gwaine was the first to react. 'Arthur what the hell are you doing!?' Arthur said nothing for a second. Then, turning his head to face the two knights, sword kept on Merlin, and spoke in a voice void of any emotion but hatred 'Take this traitor to the dungeon. For his crimes against Camelot, he will be executed at dawn.'

'What are talking about Arthur, what crimes!?'

'Do not question your orders Gwaine!'

Had he not been grabbed by Leon, Gwaine would have punched Arthur in the face. 'Come on Gwaine.' Leon walked forward and grabbed Merlin and lead him out of the room, he pulled Gwaine along with his other hand. When they were a distance away Gwaine turned to look at Merlin who was staring emotionlessly at the floor.

'What have you done this time Merlin' Gwaine joked 'called him fat again?'

Merlin ignored him

'Well,' Gwaine continued seemingly not put out by the fact Merlin ignored him or the tense atmosphere 'whatever you've done I'm sure princess will come to his senses in a few minutes.'

Again Merlin said nothing and continued not to talk until they reached the dungeons. 'Have a nice stay' Gwaine smiled as Merlin walked into the cell 'even if it is not for long. Arthur will let you out in a bit.' He closed the cell door.

'He won't' Merlin spoke for the first time to the two knights. 'Of course he will Merlin. You've known each other for about five years now. He trusts you.' Leon spoke. 'No. Arthur hates me and wants me dead.' Gwaine and Leon shared a look of confusion. 'I'm sure he doesn't.' Gwaine said. When Merlin didn't reply the two shared a look a worry again 'well I think we should go confront the princess' Gwaine chuckled 'see you in a bit Merlin.' The two knights left.

Merlin glared at the ground 'good luck' he grumbled 'King Arthur is too blinded by hatred to see what's truly right. I should never have trusted destiny.' He clenched his hands into fists and spoke harshly 'He will never be a good king.'

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Arthur didn't know what to do. After a few minutes to calm down and think, he now he realised he had acted a bit rashly but the very person he trusted turned out to be the very thing he hated the most. He was confused. One part of his was screaming to kill the traitor before he could to Camelot harm, the other still foolishly wanted to believe that Merlin wasn't evil that it was just some stupid trick. But he couldn't deny it. He saw the gold eyes, saw the magic and heard the spell shouted from a familiar voice.

It was at that moment that Gwen walked in the room and moved towards Arthur. 'Arthur what happened? Where were Gwaine and Leon taking Merlin?'

'To the- To the dungeons. He was a sorcerer. He lied to me, to us.'

Gwen covered her mouth with her hands and gasped in shock 'Are you sure?' Arthur nodded, Gwen frowned and hugged Arthur 'What are you going to do now?'

'I was going to execute him' he ignored Gwen's small gasp 'but now I don't know. I've known Merlin for years, the thought of him being evil is just wrong but what if he is? What is our friendship was just a lie?' Gwen released Arthur from the hug and was about to speak when another voice spoke from behind them

'go talk to him.'

Arthur and Gwen looked up to see Gwaine and Leon in the doorway. 'The only way for you to know what happened is to ask him.'

'I don't know if I can face him yet.'

'Arthur, he thinks you hate him.'

Arthur didn't know what to say to that. Not even he knew how exactly he felt about Merlin at this moment.

'How about you talk to Gaius.' Gwen suggested 'Gaius must have known about Merlin magic if Merlin is not evil otherwise he would have kept quiet about his magic.'

Arthur nodded, that was true. 'You coming?' he asked Gwen. She, of course, nodded. Arthur turned to face Gwaine and Leon, he did not need to ask again. Gwain nodded, a smile across his face 'If Merlin's not bad I want ask him if he can magic me a lifetime supply of apples.'

'Maybe I should keep an eye on Merlin.' Leon said 'Just in case.' Arthur nodded. The group split, one headed to the dungeons, the other three to get answers that would not mean the death of their friend.

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When the three arrived in Gaius' chamber they found said physician sat at a table studying for a old looking book that Arthur really had no interest in finding more about. At the sound of the doors opening Gaius looked up, raising an eyebrow. 'Arthur, Gwen, Gwaine, what is it you want? Is one of you sick?'

'No Gaius' Arthur said 'we want to know about Merlin.'

Gaius' eyebrow rose higher 'about Merlin?'

'what he means is' Gwen spoke calmly 'we want to know about Merlin's magic.'

Gaius went pale 'when did you find out?' he gasped 'Not long ago. He used his magic to stop that intruder from killing me.' Arthur had almost forgot about the attacker, the warning bells had stopped ringing which either meant that they had captured the attacker, he had been found dead or he was long gone. He hoped it was one of the first two.

'What do you want to know?' Gaius' reply snapped Arthur out of his thoughts 'How long has he been practicing magic?' he questioned

'Merlin has been practising magic since he first came to Camelot but he's been able to use it since he was born.'

'Is that even possible?' Gwen questioned

'Yes, it is rare, but possible. It means Merlin had no choice but to use magic. Essentially he is magic. It is connected to him more than your average sorcerer.'

'Does that mean Merlin's powerful?' Gwaine spoke, looking rather happy at that idea. Gaius took a deep breath and turned to the directly at Arthur. 'Legend states' he spoke 'that the most powerful sorcerer who will ever live will protect the once and future King, that's you Arthur,'

'What?'

Gaius ignored him and continued to speak from where Arthur interrupted him 'and together they will unite all of Albion and bring magic back to the land. That sorcerer is Merlin. So yes, Gwaine, he is powerful.' Gwaine laughed 'and here we thought he was weak!'

'So you're saying Gaius that Merlin has been protecting me since he came to Camleot?' Gaius nodded

'And I sentenced him to death.'

Gaius startled 'You What!?'

'Gaius can you tell me all that Merlin has done for me.'

'if you release him from the dungeon, sire, and do not execute him.'

'I will see to it.' Arthur turned to leave but was stopped as Leon came running round the corner and through the open door 'Sire!' he gasped, out of breath from running so fast 'Its Merlin. He's disappeared!'

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So, what do you think? I will update as soon as possible! (It may help if I get some reviews and/or interest in the story *hint hint* ;] )

Anyway let me know what you think! Review!