I so not own one piece elements or demon slayer crossover and izuku will be op as fuck enjoy
We see a 6 almost 7 years who has green hair and emerald eyes skinny frame was wearimg a white shirt, black baggie shorts and black sandels and he was getting beat by his ex friends shoto todoroki, bakugo kitsuki were using their quirks on poor kid his name izuku midoriya saying " your week deku quit trying to be a hero" and bakugo said" useless trash your such a waste of space you mom left you week ass because you qurikless"
When they said that he was pissed no scratch that he was furious as he felt a engery around his small frame making him look like he had steel skin but it was hurting the 2 boys were hurting their hand now and they saw him in with black steel arms and legs and a six sense and knocking out the other people and little did izuku know he had unlock a hidden power from years ago and his real father who was almost home felt a power his grandfather had but stronger and he felt this from his plane with a chest and a sword made for demon slaying but now its for his son along 2 furits one is tetsu tetsu no mi model buhamat and genkai genkai no mi(thanks foolish mortal fool)as the plane landed this man was Hisashi Midoriya as he walk trowrads taxi told him were to go and made it home only to look at the state it was in and knew something was wrong as he still had his chest and a sheeth katana with a dragon tusba cross graud with green and black hand grip as he went next door to see if his wife best-friend as he heard comming open up was his little man izuku cover in cuts and bruises and tears out of his eye and
Izuku: dad your home
Mitsuki b: izu who is at the doo.......Hisashi Midoriya i guess you found your house was on fire and your wife is dead along with my huaband I was left with izu now the boys got into a nasty fight at school the made up and firends agian i hope my son learn on what a hidden power meant since izuku has all three was was what they call Izu
Izuku: kings will, armerment, martra dad come in
As Hisashi Midoriya was sad his wife died but he only had so much time himself as which made both of them nervous told them he wants to talk to izuku alone
Mitzuki: sure it is 7 birthday
Hisashi Midoriya: thanks mitsuki ill tell you how to take care of my son after i give him his gifts i manage to find
Mitzuki: sure
Now in Izuku room by them self as a soundproof barrier came around the room
Izuku: Dad I saw mom die protecting me from a man with a mask and a kid's hands on his face as he killed her by decaying her I didn't say anything or scream and
Hisashi: *hugs his son* ^tears rain down on then^ ok were good for now
Izuku: yes Father im sorry i couldn't call you because you wanted to surprise me want in the chest and is that a sword
Hisashi: can't open the sword yet till you get some train in but in this chest is a haki book, and breathing styles choose 9 of them and eat these fruits i know you can
Iuku: ok *take the dragon fruit and the limit fruit and swallowed them whole*<knock-out> his body started to grow scales multi-color and his hair turned dragon jade and got 5"1' and the limit fruit made him slim muscle abit like a Greek gods
Izus mindscape
he was waking up knowing he was in mind as he saw the dragon the fruit was in and it said: so you are my host honest two devil fruits but limit fruit lets you eat one more so kid im here to be a teacher to you like your ancestors would be proud of to since I was in your father now he lived a lot of years and his wish to have his power along with the limit fruit now let's see you, dragon human, from then partial dragon form then full dragon form
As he in his dream/mindscape for 1-9 years to control his strenght senses and other then I can use dragon breath in dragon slayer from I can use all elements like the bahumat and i train my brain and when
Real world
wake up 9 hours went by as he saw his father who look sick izuku his dad was sick after his genes from his grandmother had it was a cruse so izuku knew his dad was about to die so he ran to aunt mitzuki and told her call the hosptial to send a ambulace to pick up father as she freak out and did as izuku wish couple mins later one showed up and his father was still alive and now we are at the hospital
Hisashi Midoriya room stable but he still on his last mins so he saw izuku and mitzuki and even katsuki were their for izuku and wake katsuki up to see what his friend or ex friend been going though.
Izuku: dad how long have you had this sickness
Hisashi Midoriya: since i was born but only after me when I left on my excusion of my home island which was ruined after i left then i saw the fruits my family had to protect no one has eaten them and a sword i showed you the sword can use it till you go to ua and the books are from my family history and took those and you the power and taining need for the sconed book have to stick with it now what is you most power sense i'm fading izuku hurry
Izuku: Well all my sense are enhenced i can see auras of different people even yours dad its black and red outline
Hisashi Midoriya: *seens my father gave me spirit power like izuku but different and the dragon fruit help him in 9 hours to handle motion sickness like me* some i proud use you haki for good and use your sword for what is right ok and don't worry you will be in another world different from our thanks to a quirk user would use his quirk to hard and send you to the past were demon slayers were not part if the goverment so train hard izu.......
Hisashi Midoriya had died but past his hopes and dreams to his son who is me izuku Midoriya and i became a legend of two different eras
