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.
All 18 Conquerors Haki Users Till Now in One Piece: Who Is the Strongest? - AnimeCrocs
My understanding of All types of Haki(+Advanced) So far. Spoilers Anime Only dont click. : r/OnePiece
1045] Theory - A simple explanation for the oddities in the current battle, the answer is haki merging. : r/OnePiece
Even Gear 5 Luffy is Not Strong Enough to Beat the Man Who Inspired Him to
One Piece Manga: Is Gear 5 Luffy's final power-up?
Naruto vs One Piece: Can Gear 5 Luffy solo the entire Narutoverse?
Luffy's Gear 5 is Stronger than Fans Realized and the One Piece Anime Confirms it
Luffy's Conqueror Haki Timeline: Key Episodes And Turning Points
One Piece: Is Gear 5 Luffy As Strong As An Admiral?
One Piece: Why is Gear 5 so important? - Dexerto
Could Luffy technically do this? : r/OnePiece
One Piece Manga: Is Gear 5 Luffy's final power-up?
My understanding of All types of Haki(+Advanced) So far. Spoilers Anime Only dont click. : r/OnePiece
Luffy's Gear 5 is Stronger than Fans Realized and the One Piece Anime Confirms it
One Piece: 5 Conqueror Haki Users Who Are Still Far More Powerful Than Gear 5 Luffy