Not Story but poll to vote on what Devil Fruit to give Luffy in my One Piece Story Idea can't decided cause both are great so I need help of all you story readers to choose whcih would be best

This is where Gwen had gotten the Omnitrix and Ben became the magic user but when he discovers his power Ben is thrown into another world and lost for 6 years and upon his return the universe will meet the strongest wizard of all time. I know it sucky summary anyway Ben Harem story

At a young age Harry noticed a lot of werid things happen to him and after discovering manga's Harry will become one of the most powerful people in the world and meet some friends that will help him on the way to defeat a great darkness that is coming