With Gear 5, Monkey D. Luffy has become one of the strongest characters in One Piece. But still there are people who are stronger than him.
One Piece: 5 Conqueror Haki Users Who Are Still Far More Powerful Than Gear 5 Luffy
One Piece: All Haki Types and Its Subforms (Explained)
My understanding of All types of Haki(+Advanced) So far. Spoilers Anime Only dont click. : r/OnePiece
Can Gear 5th Luffy defeat Kurama's beast mode? - Quora
One piece: Speculating on the role of Luffy's Gear 5 in the Upcoming Story Arcs
All Conqueror's Haki users in One Piece, ranked as of 2023
Will Luffy still use 'too much Haki' on Gear 5? What do you think? - Quora
People really need to remember that Luffy's power is 100% earned through pure hard work and determination : r/OnePiece
Shonen Transformations - Goku's Saiyan to Luffy's Gear 5 — Straight Shot Studios — Straight Shot Studios
Haki/Haoshoku Haki, One Piece Wiki
Is there any limit to Conqueror's Haki? - Quora
25 One Piece strongest Armament Haki users, ranked as of 2023
Bones intact Current Zoro with infinite Ahsura vs Gear 5 Luffy : r/OnePiecePowerScaling
Why does Luffy still punch weak villains instead of just using the conqueror's Haki? - Quora