Monkey D. Luffy (Gear 4th), Battle Wikia

Gear 4th (or Gear Fourth) is a technique used by Monkey D. Luffy in order to inflate his muscular structure into warped proportions.

How strong is Monkey D. Luffy? - Quora

Monkey D. Luffy (Post-Timeskip), VS Battles Wiki

Luffy's Base vs Gear 4th Comparison.

One Piece, VS Battles Wiki

List of One Piece characters - Wikipedia

Monkey D Luffy Land of Wano Extra Battle Gear 4 Ver One Piece Figuarts Figure

Monkey D. Luffy (Post-Timeskip), VS Battles Wiki

Monkey D. Luffy (Post-Timeskip), VS Battles Wiki

Monkey D. Luffy (Post-Timeskip), VS Battles Wiki

User blog:MonkeyOfLife/MonkeyOfLife's Monkey D. Luffy, VS Battles Wiki