Comments of chapter undefined of One Piece: From Flevance to the King of the World!

If the MC goes to another world through quests, and if he learns skills/powers from those worlds and goes back to the One Piece world, will he keep those powers/skills?

Thanks for the Chapter

Good Work

whaaatttt!? This is amazing 😻 good luck to the mc , So cool! thankyou for thiss author-san