Options one :::
You get powerful body, awake all 3 types of haki and get devil fruit of your choice with no weakness. You also get best ship with Sprite with best weapon of your choice.
Option two:::
You get powerful body with awaken chakra. Get bloodline of sage of six path. Gets to learn all types of Justus limited to 100. Gets a ship and weapon of your choice.
Option three:::
You awake cultivation body constitute. You can now cultivate with qi as all your medications are opened.You get god level cultivation manual. Lastly you get random treasure.
John was excited looking for option three. Imagine cultivator welding flying sword. Slaying Dragon and living as a king. " No matter how powerful devil fruits are they can't compare to cultivator right? ONE PIECE HERE I COME.". (Dude stop acting like idiot and don't shout, you are weak as chicken right now any random animal can kill you, moreover you are in jungle for fuck sake).
Without thinking he shouted " system select option three."
System: " are you sure?"
John: "Yes."
"DING. Option three selected. Initializing process...process completed. You get perfect body that can cultivate. This body can cultivate 10000 times more faster then normal body. Getting you godly manual..... You get 'ancient void art'. It is one of the most powerful manual in the omniverse. Getting you treasure.... You get 'small farm world'. It is in the form of bracelet. Do you want to redeem them?"
"Yesss". Then he saw manual and bracelet in front of him. He first feel pain in his body for sometime which he thought of getting body, after that he feels refreshed.