Kingdom Hearts VS Bleach. Two red-hot headed swordsman who have friends within major organizations and are the enemies-turned-allies of the protagonist will step into the ring and only one will survive.

Interlude

(*Cues: Wiz & Boomstick - Brandon Yates*)

[There should be a GIF or video here. Update the app now to see it.]

Blaze: Axel, the flaming Nobody of Organization XIII.

Daisy: And Renji Abarai, the Lieutenant Hollow slaying Shinigami.

Blaze: These two knows no limits as far as cocky and arrogance goes.

Daisy: Even after they joined the protagonists these boys still maintain their literal red-headed attitudes. She's Blaze and I'm Princess Daisy.

Blaze: And it's our job to analyze their weapons armor and skills to find out who would win a Death Battle.

Axel

Daisy: This is the world of Radiant Garden you know one of the first few worlds that eventually gets into chaos by darkness but before that it was a pretty chill place. Hope you got that memorized. Get it? Memorized?

Blaze: Yes yes we get it Daisy.

Daisy: Well don't you worry because our focus is on this red-head kid who once you to learn his name and memorized it.

Blaze: Lea was just your average teenager just a bit more edgy than it's spiky hair.

Daisy: And along with his best friend Isa they were just having some good times until they met this other teenage spiked hair dude but blonde.

Blaze: This blonde head is no ordinary teen, his name is Ventus and he was a Keyblade Welder.

Daisy: You know the sword guys who use house keys to cast spells, open doors etc? A Keyblade Welder has to be cool in order for someone like Lea to challenge. And after the fight the two hoped they'd become friends one day. Now that's pretty nice don't you think?

Blaze: But like most characters in the series, Lea and Isa's lives would ultimately change on one fateful day where the broke into Ansem the Wise's castle.

Daisy: Yeah long story short they met a girl in the castle and planned to rescue her and failed so miserably that they all of the sudden they found a guy named Xemnas who took their hearts and turned them into Nobodies to join Organization XIII.

Blaze: And thus Lea ultimately became Axel.

Background
Real name: Lea
Height: Unknown
Weight: Unknown
Species: Nobody (Formerly) Human
Number: VIII
Allies: Axel, The Flurry of Dancing Flames
Affliction: Organization XIII (formerly), Guardians of Light
Enjoys eating Sea Salt Ice Cream
Really wants people to get it memorized

Daisy: Imagine meeting a girl in a castle trying to rescue her and then moments later you become nonhuman in a nonhuman organization. That's gotta be rough.

Arsenal and magic
Flame Liberator
        Eternal Flames
Fire magic
       Firetooth
       Fire Wall
       Fire Raid
       Ring of Fire
       Explosion
       Great Explosion

Blaze: As a Nobody, Axel is a formidable foe to anyone he crosses and unlike most magic welders in Kingdom Hearts who can manipulate all the elements Axel can manipulate the element of fire.

Daisy: Yeah he can weaponize the flames for much versatile attacks like making rings of fire, explosions, and even spin his weapons for more burst of flame attacks.

Blaze: Despite his time in the Organization, Axel was unable to find the girl he was looking for.

Daisy: Instead he made two other new friends one of them is Roxas who looks exactly like Ven and Xion the girl with black hair. And they enjoyed eating ice cream on the roof top together.

Blaze: While their friendship was amazing, they were ultimately tested when tragedy came into play.

Daisy: Like for example Roxas left them Organization and Xion died and was forgotten Axel was all alone doing all kinds of things like kidnapping and keeping girls hostage and revealing some sensitive information.

Blaze: Axel realized the error in his ways and sacrificed himself to help Sora and his friends. But he eventually came back to life as Lea.

Daisy: But people still call him Axel oh and also he finally has a Keyblade of his own which allows him to shoot beams of light and unlock doors.

Feats
Saved Sora from a horde of Nobodies
Survived a beating from Xemnas
Battled an army of Heartless, Nobodies, and Demon Tower
Trained with Kairi to be a Keyblade Welder
Held his own against Roxas and Ventus
Defeated Xion, Vexen, Xemnas, Saïx, Xehanort Replicas

Blaze: Axel is easily one of the toughest Keyblade Welders.

Daisy: That includes being as fast as Roxas who he kept up with in a fight who can fly across galaxies in a matter of seconds.

Blaze: Or when going up against powerful foes like Hercules who moved hundreds of stars.

Daisy: Hell this guy took a brutal beating from Xemnas who fired lasers at him. Hell Axel even fought alongside the Guardians against him.

Weaknesses
Limited magic
Cocky
Arrogant
Powerless without a Keyblade

Blaze: But despite being a powerful fighter Axel is cocky and arrogant and that cockiness has what led to his downfall overtime.

Daisy: But in the Axel was able to make some new friends and hey Roxas, Xion, and Isa returned and became good guys too which is great.

Blaze: Ironically right from the start Axel wanted everyone to remember and based on the amount of friends he has perhaps his dream did come true after all.

Daisy: All you have to do is get his name memorized.

Axel: You kidding? Do you know how popular I am? I got loads of people rootin' for me. Sorry, boss. No one axes Axel. Got it memorized?

Renji Abarai

Blaze: The Soul Society was in chaos. After one of its leading Shinigami, Rukia Kuchicki violated the rules by passing her Soul Reaper powers down to a human, Gotei 13 sent some of it's lieutenants to arrest her and put her on trial.

Daisy: You would think they'd send actual authorities like I don't know some police officers or something but nope they just had to send people who are closely tied with her to her. One of whom is her big brother.

Blaze: And the other one is her childhood friend. Renji Abarai.

Background
Full name: Renji Abarai
Height: 188 cm (6'2")
Weight: 78 kg (172 lbs.)
Species: Soul
Age: More than a hundred years old
Lieutenant of the 6th Division
Married to Rukia Kuchiki
Probably likes his edgy hairstyle

Daisy: Renji and Rukia go way back doing some classic childhood friend stuff such as growing up in a shit town, stealing water then getting away from adults, and lived together like a family.

Blaze: But much like most Shonen anime characters tragedy struck and they lost all of their friends.

Daisy: Obviously they're really upset so to fill the void in their hearts they decided to become join an academy and become Soul Reapers you know those samurai ghost who fight monsters. Yeah those guys. Too bad their friendship shattered when Rukia got adopted.

Abilities
Invisibility
Great Spiritual Power
Zabimaru
Higa Zekkō
Sōō Zabimaru
Hihiō
Orochiō
Sōō Zabimaru, Zaga Teppō
Hihiō Zabimaru
Hikotsu Taihō
Reiatsu Ropes

Blaze: These Shinigami are spiritual beings who ferry lost souls to the afterlife, and purify those who have turned evil in the living world.

Daisy: They're badass anime wizard Grim Reaper swordsmen.

Blaze: As a Shinigami, Renji's body is made of Reishi, being spirit matter, and empowered by Reiryoku, being spirit energy. Entities made of Reishi are completely invisible to anyone without specific supernatural awareness, though a Shinigami's body is still tangible and can be damaged normally.

Daisy: But they can't be damaged by normal humans though as they can't see or hear them, Hell most humans outright disintegrate if they get too close to them.

Blaze: This is all due to a Shinigami's Reiatsu, a localized spiritual pressure exerted as a result of their enormous power.

Daisy: But you know you're due for when Renji pulls out his Zanpakutō Zabimaru.

Blaze: A Shinigami's Zanpakutō is a magical sword that possesses a sentient spirit. Zabimaru can extend his sword at a large range and cut his enemies down to shreds.

Daisy: And that's just a Shikai, once he uses his Bankai oh ho it's all over for you. Which can transform and take the form of a snake and crush his opponents with it's fangs.

Blaze: But along with his increase in Bankai, Renji can also do the Baboon Fang Bite which let's him levitate in the air and he can use special attacks with his Zabimaru which can take the form of several body parts and even create ropes made out of Reiatsu.

Daisy: Rukia's treachery came through when she broke the rules of the Soul Society so Renji along with Rukia's older brother to arrest her, then put her on trial so she can be executed.

Blaze: However several humans from the Human World came to her rescue including the one who she passed down her Soul Reaper powers to: Ichigo Kurosaki.

Feats
Held his own against Ichigo
Survived a brutal beating from Aizen
Dodged a surprise attack from Uryu
Blocks attacks from the Hollow attacking another Soul Reaper
Helped protect and save Rukia

Daisy: After Ichigo teared him a new asshole, Renji decided to join him and save Rukia from Aizen who just so happens to be the mastermind behind it. How convenient.

Blaze: While using Bankai Ichigo can move faster than lightning however after several power boosts and multiple forms he would be faster than light.

Daisy: We've found a calculation that puts Ichigo around 217 times the speed of light.

Blaze: Renji can take several beatings from Aizen and he should be comparable to most of the Gotei 13 in battle.

Daisy: That would include Soul Reapers like Kenpachi who sliced a meteor.

Blaze: Given the size of the meteor the kinetic energy needed to slice this meteor would be about 44 petatons of TNT.

Weaknesses
Cocky
Arrogant
Kidō was never particularly high as he is more melee oriented by nature
Shikai can be broken

Daisy: With that type of power in mind it's no wonder Renji decided to join Ichigo's group.

Blaze: Despite his rough start as a cocky and arrogant hot head, Renji has proven that he can indeed hold his own.

Daisy: He even hooked up and married Rukia and their hot fucking sexy time resulted in having a daughter named Ichika.

Blaze: And after helping saving the world, Renji finally has a chance to live a life at peace.

Renji: A man who raises his hands on a woman is trash. If I have to become trash in order to survive... It'll be just like dying.

Verdict

(*Cues: Wiz & Boomstick - Brandon Yates-again*)

Blaze; Alright the combatants are set and we've run the data on all possibilities.

Daisy: It's time for a DEATH BATTLE!!!!!!!!!

Red heads of Arrogance

(*Cues: Ego Death*)

[There should be a GIF or video here. Update the app now to see it.]

In an on the hill located above the Rukongai town is the former member of Organization XIII, Axel eating his favorite ice cream on a hill.

Axel: Ah yeah nothing taster than an ice cream on a world I've never heard of before.

As he is enjoying his ice cream, from a distance behind, One of the Gotei 13 Soul Reapers, Renji Abarai drops down onto the ledge hill to confront his new intruder without the latter noticing.

Renji: Wrong world, buddy! Your in Soul Society turf now!

Without warning uses his Zanpakutō, Zabimaru to whip at Axel who notices and barely dodges but the attack ends up destroying his ice cream. Now noticing his opponent Axel leaps backwards and summons his Keyblade, Flame Liberator and clashes with his new enemy.

Axel: Okay pal you're going to pay!

The two clash their swords each not landing a blow until Renji says:

Renji: Now Roar! Zabimaru!

He extends his sword into a whip to send his opponent flying but Axel manages to block and counters with Eternal Flames, Renji dodges and attempts to keep up with his opponent.

Axel: Oh please dude you interrupted my privacy!

Renji: Me interrupting your privacy? You're the one who trespassed on Soul Society!

The Shinigami once again extends his blade and jumps in the air to slash multiple whips at Lea but he manages to block them and unleashes a fury of flames much to Renji's surprise.

Axel: You're wasting my time, idiot.

He charges at the Lieutenant and lands a furry of combos on his foe and taunts him while he's doing it Axel slices his Zabimaru into piecesRenji is then knocked to the ground while Lea taunts him.

Axel: Sorry pal but nobody axes, Axel. Got it memorized?

But his smile is quickly washed away when he notices once of the pieces moving as it slashes Axel in the back surprising him. Renji then gets up and talks back to his foe.

Renji: Hoe about you get THIS memorized!

Abarai sends the pieces of his weapon at Axel who tries his best to block them off as he struggles to do it Axel comments on Renji's achievement.

Axel: You know I'm actually impressed!

As he says this he creates an explosion sending the Shinigami's attacks back to him which reattach back on to his sword as he witnesses his opponent's move. The explosion can be seen from a distance away. After that the explosion turns the surrounds the entire area with Axel's flames.

Axel: But can they do this?

He throws his Eternal Flames and increasing their strikes with fire as it hits Renji creating a tornado. Axel smirks thinking he won the day but then suddenly spiritual pressure shakes the ground he was fighting on much to the Keyblade Welder's confusion.

Axel: What the?!

Just then he sees a big dragons like being as it blows away the tornado Axel created as Renji turned out to be alive using his Bankai, much to the Guardian of Light's surprise.

Renji: Nice try but I can do better! Take this!

His now upgraded Zabimaru charges at Axel and the snake like appearance let's him bite Axel causing it to scream in pain, as Renji smirks.

Renji: Oh ho there's more where that came from!

He uses his Zabimaru to slam Axel over and over and over at least 5 times over as Zabimaru drops Axel leaving him injured as he tries to get up slowly. Renji takes this opportunity to land the finishing blow.

Renji: It ends now!

Before he could land the final blow he is suddenly impaled by a Keyblade Beam in the chest so fast Renji couldn't react to it in time. Renji has a confused look on his face.

Renji: Wh-what?

Axel was able to summon his Keyblade and fire a Keyblade Beam. Axel annoyed by this decides to finish him off.

Axel: Okay that's it I've had enough of you!

He gets up lands several slashes and causes massive flames that destroyed Zabimaru and greatly wounding Renji. With his enemy know completely defenseless Axel uses his Eternal Flames one last time with some fire. He throws them at Renji, slicing off his top half and head off in the process. As his opponent's remains fall in the ground, Lea heals himself with a potion and says one last remark.

Axel: That.... Was for my ice cream.

With these words Axel walks away leaving behind the remains of the now dead Renji Abarai.

KO!

Results

(*Cues: Ego Death-again*)

Daisy: No surprise Axel won I mean dude is a literally hot head thanks to his flames.

Blaze: Despite Renji's skills and techniques, Axel had him out match in several key areas.

Daisy: Too be fair Renji definitely had more experience than Axel does, I mean as a Soul Reaper he's been fighting for centuries not to mention he had more training.

Blaze: But while experience and skills are important it doesn't stake up to raw power.

Daisy: Yeah and besides Renji's invisibility is completely useless against someone like Renji.

Blaze: Shinigami may have been invisible but Keyblade Welders and Organization members have seen and fought invisible/ghost like beings before, thus Axel should have no problem seeing Axel.

Quick heads up: Even if he couldn't see Renji, Axel's more ranged abilities and speed still give him an advantage regardless.

Daisy: Now let's get on to the big ones who is the strongest.

Blaze: It should be important to note that Renji does not scale to Ichigo's full power as he lost to his weaker base before and has never shown any feats comparable to Ichigo, but let's be generous and high ball him and put him on that level anyway. Ichigo matched powerful foes like Aizen and Yhwach both of whom have the power of the Soul King who has the power of all 3 worlds. The Human World, Soul Society, and Hueco Mundo and is responsible from preventing each world from collapsing. That would imply that he has the energy to keep them from collapsing. All 3 should be planet sized. The Earth is about 40,075 kilometers and judging by the size of the map of the 3 worlds the Soul Society and Hueco Mundo are much larger than the Human World and the Society is by far the biggest out of the 3 being about 1,834,245 kilometers making it 45 Time's bigger than the Human World, thus we can say the kinetic energy needed to hold all these would worlds would require 2 yottatons of TNT.

Daisy: And Axel is much stronger than that. In comparison to Sora who is comparable to Hercules and Zeus who moved entire stars which requires a energy of  nearly 422 ninatons of TNT, Axel would end up about 174,309 times more powerful. And don't forget we were highballing Renji as he doesn't scale to top tier Bleach fighters making Axel's power output even more stronger.

Blaze: As far as speed goes Renji at best could move at 217 times faster than light. But in comparison to Roxas who can travel 799,038,431 times the speed of light, Axel would move 3,682,204 times faster.

Daisy: Hell Axel can fire a Keyblade beam which can move 221,033,963,945 faster than light which by the way is 1,018,589,695 times faster than anything Renji could react.

Blaze: More than fast enough to dodge most of Axel's attacks while countering with his own fire ranged attacks.

Daisy: Sure Renji could theoretically be capable of using Kido some of which can absorb some spiritual energy but he'd have to hit Axel first and with that HUGE of a speed difference that's easier said than done.

Bleach: And technically there are some arguments for Bleach being Solar System level but that's only theoretical.

Daisy: Meanwhile Keyblade Welders like Sora fought Xehanort with the X-Blade which could've destroyed the Kingdom Hearts verse on a multiversal scale, that's a level of power we have never seen in Bleach let alone Renji.

Blaze: Renji wasn't going down so easily but Axel's power, speed, and magical abilities proved too much for the red-heard Soul Reaper.

Daisy: Axel was definitely able to Bleach Renji a lesson he'll never forget.

Blaze: That's the same pun that was used in other Bleach fights it's getting old.

Daisy: Oh I'm sorry did Renji's lost left you axed? Well I'm sorry but this time he couldn't flamed his way to victory. Got it memorized?

Blaze: (Groans) The winner is Axel.

Blaze: Thank you guys so much for reading make sure you vote and add this to your library if you enjoy this and want to see more.

Daisy: Until next time. Peace.

Next time

"I'll...exterminate. No...I'll kill! I don't have time to think about whether it's right or not! Just start by moving...don't get caught up on ideals! Yes...the world's a cruel place!"

VS

"There's no way I'd ever pass through...and leave one of you alive. EVERY LAST ONE OF YOU IS DEAD! Don't bother moving aside. I'll trample every one of you...COMING THROUGH!"

Eren Jaeger VS Guts
(Attack on Titan VS Berserk)