In the Shinobi World, Shink was struggling to keep up with Ash's speed to block his quick attacks.

Shinki: (I couldn't see right through his attacks, he's too quick)

Ash: Over here!

Ash suddenly appeared in front of Shinki before he strike a punch forward, but Shinki manages to block the attack just in time with his iron sands.

Shinki: You almost got me there.

Ash: Oh I'm not done yet. Wind Style: Wind Wall!!

A wall of wind blows right on Shinki's face before he got thrown away and hit the wall hard.

Boruto: Youch, now that's painful.

Shinki fell off from the wall and manages to land safely before he wipes off the blood from his lip.

Shinki: Your speed is very overwhelming; it's above your friend's speed.

Ash: You mean Sylveon? Well I don't wanna bring her up in this fight till it's over.

Shinki: You want this to be over soon? Then I'll make that happen.

https://youtu.be/l57WNTr-8n8

Some of Shinki's iron sands starts to form wings behind his back before he starts flying off the ground.

Shinki: I want to see if you could—

Ash: *Amazed* Wow! You can make wings with your sands?! That's super cool!

Shinki: I appreciate your compliment, but don't think that will help you from out speeding me in the air.

Iron sand needles starts to rain down from Shinki's wings and the rain approaches Ash.

Ash: Woh-oh

Lightning power flow around Ash's legs before he starts running away from the rain of needles, he just keeps running the arena in circle.

Ash: Oh boy not good not good not good!!!

Shinki: If you just keep on running like that then you might lose your energy quicker than you though.

Ash: (Dang it! Who knew he'll be much more quicker when he's on the air!)

Ash starts running on the wall in order to avoid the needles that are already planted around the ground.

Ash: (Geez, now the entire floor has become a field of needles. I can't run around the floor with those around)

Shinki: What's wrong? You're running out of ground to walk on?

Ash: Well of course I do!

Shinki: You won't be walking too much when I'm done with you.

Shinki stops shooting needles and this time he flew towards Ash while he prepares to attack him using his wings.

Ash: But, I do have one stepping spot I haven't step on yet!

The lightning power on Ash's feet sent him flying towards Shinki, but then Ash starts flipping then steps his foot right on Shinki's face.

Shinki: Hrnh?!

Ash: Sorry Shinki, but you made me do this anyway!

Ash does another flip again before he punches Shinki down to the ground before using the punch to push himself off back to the wall.

Ash: I'm really sorry about that!

Shinki: Cih, not a bad way to push away your enemy. There's no need for apologies, we are in the middle a battle.

Ash: (Still, how am I supposed to get out of this situation?)

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In the Pokemon World, the two trainers switches away their fainting pokemon. Sasuke bring out Mizu again while Mianna bring out her Lucario, Rilee.

Mianna: You sure you want to bring out your Glaceon again? I mean, I already know about her moves.

Sasuke: Well she's one of my pokemon who is still in good shape, so I'm taking my chances.

Mianna: It's your choice. Rilee! Go for Extreme Speed!

Sasuke: Mizu! Use Protect!

Mizu brings her paw in front before she stops Rilee from pushing her away using the attack then she firmly holds his paw.

Sasuke: Now! Needles Strike!

A lot of cold mists forms above both of them before some ice needles appeared and pointed towards both of them.

Mianna: Oh no! Rilee! Get out of there!

The two pokemon quickly hops away when the needles rain down towards them, but an ice needles hits Rilee's leg before he groans in pain.

Mianna: Oh no, he's hurt...

Sasuke: Now Mizu! Go for Dig!

Mizu starts digging into the ground and starts digging around to strikes Rilee.

Mianna: Oh no you don't! Rilee! Catch her using Dual Chop!

Rilee hops backwards before he saw Mizu came out of the ground only to make her Dig misses him.

Sasuke: Mizu! Look out!

But it was too late, Mizu got caught by Rilee from behind and his grasps were too firm for her.

Mianna: Alright! Now squeezes her till she gives up!

Sasuke: Squeeze? Ah wait no!!

When Rilee squeezes her from behind with his arms on her chest, something suddenly clicked in Mizu's mind before she blushes madly and her face has anger painted on it.

Mizu: You... YOU PERVY!!!

A block of hard ice forms on Mizu's paw before she punches Rilee with it and slams him down to the ground. Even without Sasuke's command, she still attacks him using Double Kicks.

Announcer: Oh wow! Sasuke's Glaceon attacks without any commands! Has she gone berserk?!

Mianna: Wh-What is she doing?! Is she alright?!

Sasuke: *Sweatdrops* She's pretty sensitive and easily get angry when her chest got squeeze like that, her rage won't stop until Rai calms her down.

Mizu keeps on attacking Rilee with Double Kicks mercilessly even know he's already fainted by the amount of attacks her received.

Mianna: Ah!! Rilee!!

Sasuke: I... guess it's time to put Mizu away.

They quickly put their pokemon back into their pokeballs, then they bring out their last pokemon. Sasuke bring out Shiro while Mianna bring out her Sylveon, Vee.

Mianna: Oh man, I never knew we would've end up with one pokemon left.

Sasuke: Yeah, if only Mizu didn't gone rage because of your Lucario then it should've be 2 vs 1

Mianna: Well I actually save this final trump card for last so I hope you're ready!

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In the Shinobi World, Ash was running around the wall to dodge the iron sand needles that are raining towards him.

Ash: (Shinki already knew if I get near him I would use him as a stepping stone, what's the key to make him stop using his sands?!)

A few seconds later, he notice how Shinki keep tracks of him by looking at where he is going while shooting the iron sand needles.

Ash: (Oh? His sands responds to his eye sights so he could keep track of my quick speed. Then I'll have to use that as an advantage)

Ash grabs one of the iron needles from the ground before marking it, then hee bring out his broken katana before he use it to hit the marked needle to Shinki.

Shinki: That was a desperate attack there.

Just when Shinki dodges the marked needle, Ash suddenly teleports behind Shinki before he wraps his lightning power on his broken katana.

Shinki: (He's using that same attack?! No! I will not let him!)

But something odd happened, the lightning around the katana vanished and it fell off Ash's hand. Ash smiles a bit before he puts his palm on Shinki's face.

Ash: Peek-A-Boo... Shock!!

A spark of bright lightning appeared on his palm and it temporarily blinds Shinki's eyes.

Shink: Agh! My eyes!

Ash: Okay!! Right where I want it!!

Ash starts to land some punches and a down kick at Shinki before he used Shinki's head as a stepping stone again.

Ash: Time to use it!

When Ash carefully lands on the safe spot on the ground, he grabbed his broken katana again before he hops towards Shinki who couldn't see clearly where Ash is.

Ash: This is it for you Shinki! Storm Slash!

A big amount of lightning power wraps around the broken katana before Ash slashes forward and the lightning power hits Shinki and sent him flying and hit the wall hard.

Shinki: ....N...Not bad...

Just when Shinki could see clearly again, he fell off from the wall and towards the ground before he fainted by the amount of damage he received.

Lee: Shinki is unable to battle! The winner is Green Demon—I-I mean, the winner is Ash Ketchum!

The whole audiences start applauding and cheering for the unexpected winning made by Ash.

Darui: Well what a surprising result

Kurotsuchi: You can say that again. Did you give him that jumpsuit, Naruto?

Naruto: I never remembered giving Ash that jumpsuit, but I have a feeling someone else gave that jumpsuit.

Ash walke towards the clothes that he thrown off from the sandstorm before he walks back to the waiting room.

Ash: Hehe! My plan worked out the way I thought! (Don't worry Pikachu, Sylveon. I'll give it my all for both of you)

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In the Pokemon World, Mianna put on something on her other arm. The item doesn't seem look familiar to Sasuke.

Sasuke: What is it that you are planning to use this time?

Mianna: Oh this? This thing here is a Dynamax Band! With this band, I can dynamax Vee!

Sasuke: Dynamax?!

Mianna; Watch this!

Mianna put away Vee back into her pokeball before a bright red energy surrounds the pokeball and it enlarged and glows bright white and red.

Mianna: Go get 'em Vee!!

She then throw the pokeball to the back before the Vee came out and stands behind Mianna, but to Sasuke and Shiro's shock that Vee is now a very gigantic Sylveon, all the audiences starts cheering loudly when witnessing this moment.

Sasuke: Sh-She's a giant!

Announcer: Well would you look at that?! Mianna's Sylveon dynamax!!

Mianna: Hehe! With this, I'm sure to win this match! Vee! Use G-Max Starfall!

Sasuke: Shiro!! Fly!!

Shiro quickly fly up while trying to dodge the giant falling starts that are heading towards her.

Mianna: Don't lose track of her!

Sasuke: Shiro! Fly and dodge!!

The stars keeps falling down towards Shiro who is flying and dodging but she didn't notice that she crashed into Vee's mouth before her mouth closes. This made the whole audiences scream in shock.

Announcer: Wah! Sasuke's Emolga has been eaten by Mianna's Sylveon!

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Shiro sparks up Flash to look around the inside of Vee's mouth.

Shiro: Now this is some big mouth.

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Mianna: O-Oh shoot! Sorry Sasuke! I-I didn't mean to make Vee—

Sasuke: *Smiles* Hmph, she's still alive.

Mianna: Huh?

Sasuke: Shiro! Blasts Kirin into her!

Shiro heard the command from inside the mouth before she starts making some hand signs. The sky suddenly got darker and cloudier before suddenly a beast made out of lightning came out of the clouds and faced Vee.

Mianna: What the?! What is that?!

Sasuke: That jutsu is called Kirin.

Suddenly Shiro flew out of Vee's mouth before she strike the Kirin right into Vee's mouth, then a big electric wave came out of Vee's body, showing she took damage from the inside.

Mianna: No!! Vee!

After so many inside shocking, Vee instantly got fainted by the amounts of volts she received and slowly resize back into her usual size.

Announcer: Mianna's Sylveon is unable to battle! Sasuke Uchiha wins the match!

The whole audiences start cheering loudly for the unexpected winning, the two trainers put their pokemon back into their pokeball before walking up towards her.

Mianna: I wasn't expecting that you've grown even stronger since we last met.

Sasuke: I have to say the same as well, you did pretty well. Keep advancing and you're sure to be the best.

The two of them fist bumps before they leaves the battle stage.

Sasuke: (I almost made it; I have to win this one for sure)

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To be continued

https://youtu.be/43PSskdm784

Sasuke: So you're the real culprit behind this world tournament?

Boruto: I actually wish you made it here so we can settle the score!

Mianna: This might help you in the grand final battle.

Naruto: Rivalry battle huh? Very convincing.

Next time on "The Missing Pieces: Pokemon and Naruto World"

"Final Battle Approaches!!"

Ash: Let's settle this once and for all!!