One Piece (Male Reader)

Training! Thunder Vs Fire!

..................
"Ralph POV"

(I woke up and got ready for my fight with ace today.

I got to the ship's deck as I saw everyone except ace were sitting on the edge of the ship and ace was standing in the middle of everyone as I stepped into the battlefield.

I looked around and saw everyone staring at me as ace cracked his knuckles then boosted towards me with his fist coated with fire as he was close to me he stretched his fist towards my face as I couldn't dodge the attack.

-Fire Fist..!!

I flew backwards as I crashed on the ship edge and my face was black due to the fire. I stood up and clenched my fist as it was coated with lightning, I ran towards ace as we exchange punches at each other, we where in equal footing then whitebeard shouts my name as we stopped and I looked at him with confusion)

Whitebeard: Don't you know how to focus your lightning in one point of your body and use as an attack weapon..? (he asked me as I nodded no)
Whitebeard: Then try it!!! (He yells)

(We continued our fight as I stood by an edge of the ship panting recklessly as I carried my arm in front of me then tried to gather strong current of lightning as a ball on my palm.

All my trials failed as ace kicked me from an edge to another. I got tired of being kicked around as ace was approaching me with high speed I finally did it as I dodged his attack and blast him away with mine as he was going overboard the ship but Marco immediately caught him and stood him up on his feet)
...........................

Ralph: *Thought* That attack is powerful and it's kinda easy to do but what should I call it..? (I asked myself in my thoughts)
Whitebeard: Call that technique "Chidori". Now this is a new way of fighting, coat your whole arms with lightning for attack and legs for speed and also attack and you can call that technique "Rear" (He advised me)

(I tried it out and I was able to do it exactly as he says. I ran towards ace but I was 10x faster than before and ace couldn't even see my footing anymore as I was beating the hell out of him.

The technique was exhausting my energy as I couldn't fight anymore but whitebeard didn't stop. He stopped the fight and ace to the doctors for  checkup, whitebeard told me to use my rear technique and jog on a spot while throwing punches to the air.

I continually did it as I got use to being in my "Rear" form for a long time. He advanced my Rear by making me step and walk on lightning.

It was a tough training but I knew that if I use this my new way of fighting it can make me more infamous and stronger than ever in the world of pirates.

My first mission is going to be in 3 weeks time when ace is fully healed, and we are going to kill blackbeard for taking the life of one of pops son)
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"Marco POV"
"In Ralph's room"

(I entered Ralph room as he was relaxing on the bed. He sat up and looked at me in a confused manner)

Marco: You have been sailing with us for more than 2 weeks now, and everyone seems to accept you, but I'm here to tell you never to betray pops or you will die that day (I warned him as I left his room)
Jozu: That boy is going to be a living devil if pops keeps training him (he said to me)
Marco: Yeah you are right, he's able to defeat a division commander and make a name for himself on the ship (I replied Jozu)

Marco: Well..! Goodnight Jozu see you tomorrow (I said as I left him there)
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"The next day"

Whitebeard: Till ace recovers you are going to be training everyday and everytime before your first mission with ace (He says to me)
Ralph: Okay pops, I'm ready (I replied as it was the first time I time I called him pops)

To Be Continued