I think whoever reincarnated me was either whimsical or a sadist.
But hey! At least they gave me immortality so yay!
Well, although I say immortality, it's actually agelessness.
And I didn't actually realize it until like 20 years down the line.
Not aging for 20 years, even I would have to be an idiot to not realize it.
I had thought it was a normal maybe-magical medieval world at first, so I did what anyone who would find themselves in a new world would do.
I trained myself— and since I was ageless, I took it slow since I could train all I want— and went on cool adventures and hoping to build a harem along the way. Cool goal right?
Oh it really was.
Even in a medieval world, once you get past the no internet, not really satisfying food, bad basic amenities, and the fact you have to walk everywhere or use donkeys and horses, it's surprisingly decent.
That is a lie. It was hell. Getting used to it was very difficult. Especially for a modern guy like myself.
So I lived a slow life, I trained with the sword and learned various martial arts because those were the only really interesting things to do.
And even though I never stayed in one place for too long so people wouldn't notice anything weird— witch hunts have been started for less after all— I started losing people I was familiar with, some I would even consider friends.
Some to war.
Some to diseases.
Some to old age.
Yes, I had lived for more than a hundred years, and in those times, I lost people.
I made enemies.
I made allies.
I lost battles.
I won battles.
I smiled.
I cried.
I loved.
I hated.
I laughed.
I got angry.
But I always somehow was able to hold myself down.
Since when did I ever have such a strong mentality?
Perhaps it was the result of living for a long time.
Oh, don't get me wrong, I have never cursed my agelessness before though.
We've all thought about having immortality before right? When we talk about the good part, we talk about the bad sides as well right?
So, it was something I felt I could live with, I wanted to see how far I could go. I didn't want the reason I died to be because of boredom or because somebody killed me.
So I pushed forward.
And while wandering aimlessly, I'd train.
I'd sharpen my fangs.
I'd swing my sword.
I'd sing my songs.
I would laugh with strangers, dine with them, tell them tales of my journeys.
They would laugh and we would drink together.
I liked moments like those.
It was almost monotonous but I enjoyed that monotony for some reason.
After about 150 years, I noticed a change in myself. I no longer felt hungry, nor thirsty, I could stay underwater without breathing, I healed a little faster and I barely got tired.
For the life of me, I couldn't tell you what brought about such a change.
No, that's not right, I now know exactly what brought such a change.
There is one obvious cause I can think of.
The same sword that I had swung for about 150 years and the same martial styles I've imitated from watching various people had became something incomprehensible.
I found for the first time what was obviously supernatural monsters when I walked through a wilderness.
It had been a very surprising thing to encounter but instead of fear, I had a grin on my face as I realized what they were.
That was it.
That was the proof I had been searching for that the world was so much more than it seemed.
That was what would break the monotony that I've been living through.
Besides, being ageless in the first place in what seemed like a mundane world was weird wasn't it?
So, I smiled as I faced the monsters.
It was not a battle.
In my state of induced ecstasy, I swung my blade with every strength in my body and both the monsters and the earth were rended to nothing.
Where had that power come from? Sure I could easily cut through steel with my blade but I hadn't thought I was that strong.
The applaud of someone behind me had put me on edge but I had been knocked out before I could even turn around.
Waking up on a palace in the sky and meeting the old hag, it had took some time but I finally understood where I had been reincarnated into.
UQ Holder.
I didn't feel anything about it really, I had been living in the world for around 150 years after all, so I couldn't even see it as a fictional world anymore and it's not like I remembered every details about it anymore.
I had thought the old hag was going to train me or something but she threw me in a library and let me rot there for 20 years.
I lashed out in the first few months, trying to get out to no avail.
It was annoying, living without stimuli was a very dull experience.
I thought I was going to die from ennui.
Although the library surprisingly or unsurprisingly had all the basic things I needed, even though I didn't really need them, those were the longest 20 years of my life, I had passed time swinging my sword, improving my martial capabilities and reading all the magical books in the library.
I suspect that is what the old hag wanted me to do in the first place.
When she let me out, I of course tried to kill her. Can you blame me? I was basically a prisoner for 20 years, the fact that I learned magic was cool though, but still.
She beat me black and blue, I was lucky I knew healing spells and my regeneration seemed to have grown tremendously as well.
After spending a hundred years extra in the palace, the hag threw me out and told me to get lost.
That gorilla, I promised to get back at her.
So, I continued my aimless journey, not even knowing when in the timeline I was.
I let the wind guide me towards my next adventure, drifting from place to place.
I witnessed all sorts of things.
Beautiful things.
Ugly ones as well.
Famine.
Strife.
War.
People would go to war for the most ridiculous reasons.
A piece of shiny rock that seemed to glow?
'Prophecy' from a god?
The random tree with thick barks?
A cliff face with overflowing water?
You name it. People would fight for whatever as long as they put value to it.
So I kept walking, watching, observing, I didn't really have any big goals so I just did whatever I wanted.
And, after three thousand years, I had done almost everything and I had learnt almost everything.
My boredom grew as well but my love for that monotony was still the same, so I didn't get tired of living.
I had become unimaginably powerful too.
My blade could cut whatever I want, my fist could cause craters if they impact the ground. I could craft spells from scratch and I had even developed a unique ability.
I knew it had been three thousand years but wasn't I too strong?
Wasn't there supposed to be some kind of limit to things like that?
But apparently, I didn't have such limits.
I couldn't even tell if I was still human. But I doubt I was ever one in the first place.
At one point, I created a spell that lets me have a perfect memory recall, I finally remembered all I had forgotten about my previous life.
Consuming all the media in my head all over again, was every bit interesting. It sated my boredom for a long time.
Having perfect memory recall had also made magic even more easier, to the point I had made a spell that automatically converted oxygen or air into magic energy, making me sort of have infinite energy.
I only did that on a whim, there was no big reason behind it.
Then people started to notice me.
The pure-bloods were the most annoying of them.
Some of them tried to recruit me.
Some tried to take advantage of me.
Some were obsessed with me. Don't ask.
Some wanted to dissect me, see what made me immortal.
Some wanted to kill me.
I fought.
And fought.
And fought.
And fought some more.
It seemed like it would never end.
So I went to Venus and wiped out a country to use as an intimidating factor.
'Come at me and I'll stop holding back.'
Something like that.
Don't let their age fool you. Pure-bloods are foolish creatures because they still kept coming at me.
Stupid bunch, the lots of them.
Nitikris was both annoying when he was trying to kill me— he would say he was testing me— and when he stopped.
He was a pest that would show up every few centuries just to call me a monkey.
What a bastard.
At some point, I would literally just sit in one position and wouldn't move for years.
Sometimes I would sleep and wake up a hundred years later underground.
Sometimes under the ocean.
One times I even found myself on the moon, I still don't know how that happened, but honestly there are a lot of suspects. Too many.
I heard tales of a guy who vaguely sounded similar to Jesus Christ. So I knew Karin would be getting her immortality soon.
I cheered to it.
If there is one thing I've learnt, it's that life always balances itself out.
Then after some time I met Evangeline and the first thing she did upon seeing me was hugging me and then punching me into the ground.
My thought at that time was.
'Ah, I've fucked up the future, haven't I?'