A/N: Here is chapter 21! Although, I haven't had too many reviews, the ones I have had have been very helpful, instructive and very confidence boosting. Thank you! Anyway, I will try and end all of the speculation about King Ayden here! I hope it's either what you thought or even worse. Be prepared for a long chapter…

My mind was spinning. Here Merlin was saying he had come back because of King Ayden. But why…?

Merlin could sense my confusion and shock and he gently took my hand as a way of comfort.

"Why?" I asked him, hoarsely. I don't know why I was as shocked as I had always hated and distrusted him, even from the moment he had arrived.

Merlin didn't seem to want to tell me straightaway, which made me want to be sick as I knew that whatever he was going to tell me would be bad.

"What do YOU know about him?" Merlin asked me, totally disregarding my question.

I had to grit my teeth together to stop my frustration from showing, as my worry and curiosity was increasing.

"Not much. Only that he's in his mid-thirties, he was friends with Arthur. All the normal things..." I told him.

When I mentioned that King Ayden was friends with Arthur, Merlin's expression had changed drastically. Before he had looked slightly apprehensive but normal, whereas now he looked angry which was actually quite scary.

"He wasn't Arthur's friend…" Merlin told me, looking at how I reacted, "….Him and Arthur were enemies. I only know this because I became suspicious after I had met Adam (his servant) and he tried to ask me about your relationship with Arthur, and I tried to find out their history."

Merlin paused for me to take what I was saying in but I couldn't. The thought I had been right all along not to trust him, was too much.

"Why would he lie, though?" I knew I sounded feeble but I didn't understand why he had lied. What was Merlin talking about?

At my words, Merlin's expression yet again changed but into what, I don't know.

"I think he wanted his revenge on Arthur. And, I think he wanted you to marry him as a way. If you did marry him, he would have gained this kingdom and his revenge would have been complete." He told me, shaking his head.

My heart began to race and my hands seemed to start to shake. Why hadn't anyone believed me? I had been right, after all.

Merlin noticed how his words had affected me, and tried to comfort me. He came and sat down next to me, draped his arm around my shoulder.

"Did you have any reason that he liked you?" Merlin asked me. I suppose that he was trying to get me to think about King Ayden even though, it was the last thing to do.

I nodded at him, not trusting my voice. Memories of all the times King Ayden called me 'Guinevere' or when mentioned how I needed a husband. It all became clear.

However, one thing which I didn't understand why did he need revenge on Arthur?

"I don't get why King Ayden needed revenge, though. Arthur's dead." I told Merlin, sadly.

Merlin must have been waiting for my question as he too looked upset.

"I have reason to believe, he had been in love with Morgana and of course, he holds Arthur responsible for her death." He told me.

Although, I should have been shocked, I wasn't. Morgana had always been a bewitching woman, and she had always been attracted to the same type. Men exactly like King Ayden.

I nodded at him, showing that I understood.

"Surely, King Ayden would know that I would never marry him? So, soon after Arthur!" I told him, hating King Ayden more than had ever done.

Merlin let out a big sigh at my words, and I had wished I hadn't said them. His sigh highlighted how much he still had to tell me.

"I don't think he would have just tried to woo you to get you to marry him but I don't know. I'm sorry. But one thing for sure, he would have tried make you vulnerable, so that you would have needed to trust him. King Ayden seems like the type to do it." He explained to me.

The last bit must have been hard for Merlin to say as his face had screwed up and a shadow had passed over his face.

As his words sunk in, I had realised something.

Before his arrival in Camelot, I didn't have dreams and memories about Arthur as much but when he had come, I was plagued with them.

I jerked away from Merlin and I abruptly stood up. Not even looking at him, I sped from Gaius' looking for Gaius himself.

Only about five minutes later, I found both Leon and Gaius coming towards Gaius' quarters.

I must have looked awful as Gaius immediately took hold of my arm as soon as I had reached them.

"Are you alright, Your majesty?" He asked me, worriedly.

Leon, who had watched me the entire time, still looked worried like he had earlier but what I had told Merlin still grated on my mind. So, instead I turned my eyes away from him.

I knew why Gaius had asked, of course. I knew that I must have had eyes red from crying and a tear stained face but that wasn't important.

"Yes, yes." I could tell that my tone was impatient but I needed to ask Gaius something.

"Gaius, is there any type of potion or magic which can bring on dreams, memories? I don't just mean the odd one or two but I mean numerous times a day?!" I asked him, watching his face.

I had expected him to look at me like I was a lunatic and for him to dismiss the idea entirely but to my horror, he didn't.

"There is a potion, my dear. Physicians don't use it since it's side effects are very dangerous, especially, if the potion is administered regularly." He told me, seriously.

At his words, I began to worry. What would the side effects do?

"What side effects?" I asked him, worriedly.

Gaius looked at me for a moment, and realising that how important his answer would be, he didn't waste any time.

"They can cause extreme tiredness, mood swings, and extreme unhappiness. They are just a few of many." He told me.

I was shocked into silence as I realised what King Ayden had done. What he had tried to do?

At my silence, both Gaius and Leon seemed to think about what I was saying. After a few seconds, Gaius seemed to realise what I was getting at.

If King Ayden had kept giving me the potions, I would have been totally vulnerable but why had be stopped and why had he left?

A/N: Here is chapter 21. I did initially think about making King Ayden a sorcerer but I think the concept could be realistic, especially, since anyone could give Guinevere the potion as Adam (King Ayden's servant) practically has free reign.