1: Luffy's Gear Fourth transformation took One Piece by storm.

2: Discover how this power-up changed the course of the series.

3: From the epic fight with Doflamingo to defeating Katakuri.

4: Gear Fourth introduced a new level of power and strategy.

5: Luffy's creativity and determination know no bounds.

6: Fans were in awe of the bound-man, tank-man, and snake-man forms.

7: Gear Fourth elevated Luffy's status as a top-tier fighter.

8: The impact of this transformation continues to shape the story.

9: One Piece will never be the same thanks to Luffy's Gear Fourth.