I Am A Villain

After being flung away between dimensions Zero lost consciousness, slowly traveling between worlds until he entered one. But Zero only woke up after 2 years … to find himself in a less than favorable situation.

…

Slowly waking up Zero found himself in an empty space, but given his knowledge, he immediately knew that It wasn't just that.

'Motherf.u.c.ker… somebody sealed me. Getting sealed after getting thrown offroad by a giant explosion… though that was a hell of an explosion.'

'Where the f.u.c.k am I anyway?'

As Zero extended his senses and used his magic to release observing magic on the outside he was surprised.

'Ah shit. Well… it could have been worse.'

Looking through his magic, at first, there wasn't much that Zero could see, but extending his magic upwards gave him all the information he needed.

'Those giant heads on the mountain give it all away. I am definitely in Konoha… though who would have expected for me to have a 'jinchuuriki'.'

Zero was currently observing his so-called 'jinchuuriki' and was very surprised.

'This is certainly new… to be the sealed beast of the 'Avenger', though if I had to choose between Uchiha's it would have been Madara. Definitely the right personality and just the right amount of badassery… but I'm stuck with this guy. From what I saw I should be some time after the Uchiha massacre, explains all the bad dreams I'm feeling in his head.'

As Sasuke Uchiha slept, he was unaware of the variable that would change his destiny, pondering whether to kill him or use him inside his own head.

…

'Well, seeing as I'm only a spirit now, I can channel as much mana as I want to but my soul is also very vulnerable to spiritual attacks as my body is gone. An attack that I would barely notice can injure me severely now. The problem is that nosy sage of six paths, while he might not directly interfere he will definitely get in my way… and I don't fancy being sealed into a moon thank you very much.'

'While my body may be lost… or is it now, I'm not one to be without backup plans, I couldn't risk losing the Blacklight body, so I saved multiple samples every time I gained a new power, meaning all I need to do to gain my body back is access to that particular place I hid it, though as this is a new experience and learning opportunity I might delay that. Until then, no Trace on, no gate of Babylon, or any other power gained through the body and not the soul. Thankfully though most of my powers are on the souls that I held on to. There should be around two hundred-ish left.'

'One mass massacre and I should be back to my previous strength… though compensating for the physical attributes of the different races will take a lot more normal humans… a world should be enough to fully recover… '

'Without further experimenting with my biomass, it will take a long time to harvest a world. Well, that aside I will need to deal with this little pest for now.'

Turning around in the confined space, Zero could see the manifestation of the system standing behind him. It was currently simply standing, having taken damage from the hypernova coupled with the interdimensional travel.

'I had my suspicions from the beginning but I was indeed right. The limited function pointed towards it being not so omnipotent, meaning it was either a trial product or… made out of desperation. Judging by the soul I feel inside it, I would say the latter is true.'

'Let us see what we have here… a soul piece that survived from some god, trying to leech power of me so it could revive sometime in the future and probably take over… I hate this kind of leeches, I could always try and assimilate with it, probably gain a few of its powers, create enmity with some unknown being that will try and stop me, thinking that I am either it's reincarnation, child or whatever… but that will not be necessary.'

As Zero thought about destroying it, it suddenly spoke.

Soul: "Wait… I am the fragmented soul of a Chaos God, the knowledge and power I can give you… "

Zero: "I don't really care, whatever you have to say I have probably either read it somewhere before or heard it from somebody so…"

A Zero stopped talking, he snapped his fingers and the remaining souls immediately looked over. Getting up from their bonfires they slowly walked over. Almost every single one was a supernatural being and very few humans could be seen in the group. The most eye-catching ones were the three giant dragons, 2 almost the same size but the 3rd one quite bigger. As they slowly approached, they all fused becoming a 1km black giant western dragon, making its way behind Zero.

Zero: "Thank you for everything so far, but your services are no longer required!"

As Zero finished speaking the giant black dragon smashed his arm on the system, dispersing it together with the soul inside it.

Zero: "Now… let us see what my little host is dreaming about."

…

(Sasuke Uchiha, While Dreaming.)

Sasuke was running in the Uchiha district, it had already happened countless times, everywhere he saw dead bodies, a moon reflecting his Itachi's eye pattern… and the dream always ended the same way. No matter what he did, no matter which road he took, he always arrived too late.

'Itachi… I will avenge my family, I will kill you…'

Suddenly a voice was heard from the living room of his house.

Unknown: "And how will you do that?"

Sasuke was startled by the sudden voice and quickly made his way to the living room.

Sasuke: "Who are you?"

Unknown: "I am Zero."