To defeat Don Chinjao, a 500M belli pirate.
It just means they were stronger than the rest of the navy.
The same Garp that called Rayleigh a living legend in the same breath as Whitebeard and said that the Marines shouldn't take on both of them at the same time?
Need I remind you that a fresh Gura Teach was mocking Old Garp and Sengoku together and eagerly duelled the both of them, but a fresh Yonkou Teach ran away from Old Rayleigh alone?
It just means they were stronger than the rest of the navy.
The same Garp that called Rayleigh a living legend in the same breath as Whitebeard and said that the Marines shouldn't take on both of them at the same time?
Need I remind you that a fresh Gura Teach was mocking Old Garp and Sengoku together and eagerly duelled the both of them, but a fresh Yonkou Teach ran away from Old Rayleigh alone?