5-SENGOKU
Sengoku the Buddha was the Fleet Admiral of the Marines pre-timeskip, succeeding Kong and preceding Akainu.
Alongside Garp and Tsuru, Sengoku is one of the most powerful Marines of his generation. Even without his Devil Fruit powers, Sengoku has enormous strength, enough to effortlessly hold down an enraged Garp with only one hand.
Sengoku ate the “Hito Hito no Mi, Model: Daibutsu”, a rarer-than-Logia Mythical Zoan-class Devil Fruit which allows him to turn into giant, living, Buddha-like golden statue, gaining an extreme boost in strength to match his size.
In this form Sengoku can launch golden shock waves to cause heavy and widespread damage to the enemies.
4-SILVERS RAYLEIGH
“Dark King” Silvers Rayleigh is the former first mate of the Roger Pirates, known as the “Right Hand of the Pirate King”. He’s extremely powerful, easily one of the strongest characters introduced.
Shakky vouches for his strength by saying that he is “100 times stronger than all of you boys”, referring to the Eleven Supernovas.
Furthermore, when Garp was informed Rayleigh may be on Sabaody Archipelago, he told his men not to confront him, he reasoned that the Marines should not confront two legends, Whitebeard and Rayleigh at the same time.
Due to his phenomenal strength, he was able to fight Admiral Kizaru equally and he even managed to scratch the admiral. However, Rayleigh himself has admitted that he is not as young as he used to be, and can tire in battle. This may mean when he was in the prime of his strength he may have been even stronger than when he matched Kizaru, a true testament to his strength!
Rayleigh has tremendous physical strength despite his elderly age. He is powerful enough to kill several Sea Kings with his bare hands while swimming in the Calm Belt.
He is shown to possess great mastery of Haki, and made use of all three types while teaching Luffy about them.
3-SHIKI THE LION
Shiki is the Admiral of the Golden Lion Pirates.
Alongside Roger and Whitebeard, Shiki is one of the most powerful pirates of his generation. He has tremendous physical strength supplemented with his supreme sword skills, allowing him to slay an army of Marines at Marineford, and it took the combined efforts of both Garp and Sengoku to subdue him with the conclusion of their fight leaving half of Marineford destroyed.
Shiki is the first prisoner ever to escape from Impel Down. After he amputated his own legs to break free of Sea Stone Shackles, Shiki forcefully grafted his swords into the inner stumps of his legs. He is also capable of attacking from a distance with them, by sending slashes from his sword legs in a Rankyaku like fashion.
Shiki ate the Fuwa Fuwa no Mi, a Paramecia type Devil Fruit which allows him to make surrounding non-living matter levitate once he has come in contact with it. He uses the surrounding environment against his enemies, shaping earth or snow into giant lion heads and launching them towards his foes, or even making water float to drown his opponents in it.
2-MONKEY D. GARP
Garp is one of the most powerful characters seen in the series so far. Alongside Roger, he fought and prevailed against the very powerful Rocks Pirates , which consisted of three future Yonkos, earning him the epithet of “Hero of the Marines”.
He is known for cornering and fighting Gol D. Roger many times. Roger also stated that he and Garp had almost killed each other on numerous occasions. As another true testament of sheer power, Garp defeated and nearly killed Don Chinjao in the past with a single punch, whose bounty was worth over 500,000,000 Berries in his prime and was said to be able to split a continent with a headbutt.
The extent of Garp’s power and fame is evident round the time of the Battle of Edd War, three years before the future Pirate King died. It was revealed that he was offered the promotion to the rank of Admiral more than once, but repeatedly refused the promotion.
Despite his advanced age, Garp still posseses tremendous strength.
1-MONKEY D. DRAGON
Monkey D. Dragon is the infamous leader of the Revolutionary Army. He is the World Government’s greatest enemy, and is the most dangerous and most wanted man in the world.
Dragon is already a powerful threat in his own right, as well as having powerful subordinates such as Sabo, Ivankov, Bartholomew Kuma, and Inazuma who are in comparison, lower in rank. This only speaks volumes of his true power.
Dragon has been shown to control the air and even lightning, just whether in general. He probably has the strongest Zoan Devil Fruit in the series.
When he was mentioned at the Summit War everyone froze, just at the thought of Dragon. Everyone is scared of him. He is at least Yonko level. Maybe the strongest character of the series.
