Rengoku and Izuku were brothers as Izuku always looked up to his Older brother who was a Hero/Demon Slayer and he inspired Izuku as he wanted to be a hero like him however one day Rengoku is killed by a Villain saddening Izuku and from that day on h...
We see Izuku and Dabi Facing Endeavor Who's a Demon now
Endeavor: I have to say Touya I'm Impressed
Touya: ENOUGH TALK YOU BASTARD
Touya and Izuku Dashed forward as Tehy went for the head but Endeavor blocked them with his Arms which he caught on fire causing Iuzku and Touya To jump back and Endeavor threw Fire balls at them as Izuku DOdged and Touya Made a Blue FIre wall to stop Endeavors Attack and launched his own which endeavor dodged but ran and Gut Punched him but was Stabbed through the neck by Izuku
Izuku: TAKE THAT BASTARD
Endeavor: WHY YOU
Endeavor Grabbed him and threw him at a wall as Touya Jumped and Created a Wave of fire and Endeavor countered it with his own but Touya ran through and Slashed upwards damaging his face and went to stab his eyes but Endeavor grabbed his sword Broke it and Decked touya in the face but then Izuku cut his Calf open making him drop to One knee then Touya Kneed him in the face and launched him away with a Fire Blast
Izuku: Is he dead
Touya: Not close Why is he so Powerful
Izuku: Maybe they gave him Muzan's Blood
Touya: SHIT
Endeavor clothes Lined both and His Elbows caught fire and Dropped back as his elbows Slammed in their stomachs
Both: *Coughs Blood*
Endeavor: HAHAHAHAHA I'LL KILL YOU BOTH
Just then multiple slashes Appeared on Endeavor because of Yamato and Izuku SHeathed it and pulled this sword Out
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Izuku: Time To Get Serious
Izuku launched himself at fasty Speeds and cut Out a Huge chunk of Endeavor
Endeavor: FOOL I CAN REGENERATE
Touya: TRY IT BITCH
Touya Shiot him with a blue fire blast carterizeing the Wound
Endeavor: YOU GOTTA BE STUPID
Izuku: No *Bounces off Wall* JUST SMART
Endeavor Narrowly dodge the sword Swiped
Endeavor: THAT'S IT I'LL KILL YOU LIKE YOUR BROTHER HE WAS TRUKY PATHETIC
Izuku breathed in and Out as He threw His Sword in a Spining Motion and Touy caught it and Propelled himself towards Endeavor at Fast speeds and Beheaded Him
Endeavor: WHAT NO I CAN"T DIE NOT LIKE THE
Izuku: *Walks up to him* Yes you can
Izuku stomped on his Head squishing it as The sun hit endeavors body and he died PERMENTALLY
