Why didn't Luffy learn Rokushiki techniques? - Quora

What would happen if Luffy was a Marine? - Quora

In One Piece, why do the members of CP9 learn to use the “six powers”, but not haki? - Quora

Can Luffy use Haki as well as Enel can manipulate electricity? If so, will he become stronger than everyone else in One Piece? - Quora

Did Luffy actually beat Katakuri because he was stronger, or was it because of plot armor? - Quora

Why didn't Luffy learn Rokushiki techniques? - Quora

When does Luffy first use Gear 3? - Quora

What if Izuku learned Rokushiki martial arts from One Piece? How strong would he become? - Quora

Why didn't luffy use second gear earlier in one piece? - Quora

Why didn't Luffy learn Rokushiki techniques? - Quora

How does Luffy's Red Hawk works? How does Luffy's fist ignite? - Quora

Do you think that Usopp will master his observation Haki in the Wano arc? - Quora

When does Luffy first use Gear 3? - Quora

What is the limit to Luffy's Haki abilities? - Quora

Does Sanji ever fight at his full strength in One Piece? - Quora

How good is Luffy (One Piece) in hand-to-hand combat, for example, Taijutsu? - Quora