But, even with unlimited stamina, Luffy cannot possibly think that Gear 5 is enough for him to beat the top tiers of the One ...

According to a One Piece theory, Monkey D. Luffy might unlock his Gear 6 in Elbaph because of his connection with the ...

Luffy's current peak power is Gear 5, his awakened devil fruit form enhancing his abilities significantly. Gear 6 is unlikely to exist, as Luffy has stated Gear 5 is his pinnacle devil fruit form.

One Piece will showcase an amazing confrontation in chapter 1140. Luffy takes on the left hand of the Pirate King, Gaban.