King of the Navy: Blazing Magma! Sakazuki

[One Piece + Marine-focused + Kill, kill, kill] The Battle of Marineford rages on as the peak Whitebeard Pirates and the Marines fight for ten days and ten nights. In the end, both sides are utterly devastated. The Roger Pirates, Kozuki Oden, and the entire Whitebeard Pirates all die at Marine Headquarters. After recovering his strength, Marine Admiral Akainu becomes Fleet Admiral with the recommendation of the government's top brass. He moves the headquarters to the New World and leads the Marines in wiping out every pirate. During one battle, because Shanks is a Celestial Dragon, Akainu fights the Five Elders, loses, and is imprisoned in Mary Geoise's great prison, reverting to his younger self. Later, fed up with the World Government's repeated protection of various pirates, he breaks away and once again leads the Marines in a fight against the World Government. That man is the undisputed Marine King! That man brought the Great Age of Piracy to a complete end! That man's name is Sakazuki! Kozuki Oden: "This is the era of Whitebeard!" Sakazuki: "Hound Blaze!" Whitebeard: "Even I, in the prime of my life..." Sakazuki: "Magma Hound!" Roger: "Please, spare me." Sakazuki: "Great Eruption!" Straw Hat Luffy: "We've got an enemy we can't beat... (sweating)"