Aizen started moving slowly backwards, away from the kunai, and as he did so he could see his enemy's eyes widening ever so slowly and shock taking over his face.
As he moved a safe distance away from him he slowly reached behind his back with his right hand and grabbed his chokuto before again moving slowly forward.
(AN: Reminder for you all, a chokuto is a small sword like the one Sasuke uses)
As he moved forward he noticed the look of horror on the guy's face but he couldn't really blame him, 'If I were him I would be horrified too if I saw a kid moving this fast, well from his Perspective at least .' thought aizen as he moved slowly towards his opponent.
'Sigh, this is so frustrating, I need to improve the body flicker jutsu as fast as I can so I don't have to deal with sh*t like this anymore.'
By now he had crossed half the distance between him and the other guy and was about to slice his throat open, but just as he was going to go for it, the guy before him disappeared into a burst of smoke, and through the smoke that was also spreading slowly aizen could make out the shape of a wooden log.
'Substitution jutsu!' thought Aizen as he started looking around him trying to locate where his enemy would appear next and finally he found him atop a tree to his right.
Immediately he changed his direction and headed towards the tree intending to finish him as fast as possible.
*************
Enemy pov
Just as aizen lifted his hand to cast the body flicker technique his enemy moved so fast for him to notice and his kunai was already touching Aizen's neck but at that moment aizen disappeared from his spot as if he had teleported, appearing a distance away already holding his sword and by his posture, he was already intending to come forward.
'WHAT!.' was all his enemy could think before using a substitution jutsu and appearing at a nearby tree his heart pounding in his chest.
At that moment he felt death so close to him like never before, his instincts honed through decades of experience and life-and-death situations were warning him that if he didn't escape at that moment he would be dead.
'How in the hell is he that fast!?, and he's only five years old? Monster!! I need to report this back to the clan immediately. A danger like this can't go unnoticed ' thought the enemy ninja.
Although it's nothing if someone using the body flicker jutsu dodged his attack just now but by his estimations it was impossible for a kid to do it, and not that fast.
One thing that Aizen has miscalculated is just how fast he really is, even when he's doing his best to appear slow, so even though he took precautions it still wasn't enough.
Just as he was about to move and move further away to avoid the kid he jolted and froze, slowly looking down at his chest his mind went numb with shock.
There was a steel blade coming from his back, cutting through his heart and lungs and coming out from his chest area.
"Whe..*cough*, when." he said shocked, coughing the blood in his lungs.
It hasn't even been half a second since the kid has used the substitution jutsu and he thought about reporting back to his clan, from his experience throughout many battles he should have had enough time to draw a distance between himself and the kid but…
*slice*
The sound of a sword slicing flesh was heard as Aizen took out the sword he just pierced into him.
He slowly turned around to see the kid responsible for this behind him, standing there, not even reaching half his height, with a cold emotionless look on his face as if he had just killed a fly and not a person, his sword held in his right hand dripping with blood.
'Those eyes… they can't be the eyes of a kid.' he thought.
Even hardened shinobi didn't have eyes as cold as those, let alone kids, but he didn't have enough time to keep thinking about that.
His vision started to turn blurry as he fell forward in the direction of the kid.
'If I am going to die, I am taking you down with me you freak.' those were his last thoughts as he fell towards the kid with a crazed murderous look on his face.
************
Aizen pov
Watching the guy in front of him fall in slow motion with a wound in his chest area with an expressionless face aizen couldn't help but think startled, 'Holy sh*t, this is more broken than I thought it was, the poor guy didn't even stand a chance.'
Ignoring the now-dead guy at his feet and slowly looking around the area it seemed that no one had noticed what just happened here and one couldn't really blame them, it happened so fast that they didn't even have time to react.
Focusing on two people fighting in the distance, Aizen saw that his clansman was having a tough time fending off against his opponent so he decided to go and help him next.
But, just as he moved he felt as if his leg was glued to the ground, alarmed he looked down only to see the guy he just killed holding onto his leg with both hands.
Frowning he lifted his sword up and just as he was about to bring it down and slice the guy's hands off his eyes opened wide and his pupils shrank into the size of a needle head.
The guy that he had just killed started bloating up fast, and that's an understatement considering that right now everything should be moving in slow motion from Aizen's perspective.
'F*ck, I got careless and messed up.' thought aizen frustrated as he sliced off the hands holding into his leg, and putting as much power as he could into his legs he prepared to jump back as fast as he could not caring anymore about hiding his abilities.
But it was too late by now, before he even jumped the guy had already exploded, the force of the explosion spreading in all directions, he only had enough time to guard his head with both of his hands before he was blown away.
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