TV-Series
Description
Don Krieg, also known as "Fleet Admiral" Don Krieg, is a significant antagonist in the East Blue Saga. He is the captain of the Krieg Pirates and was once considered the most powerful and formidable pirate in the East Blue, commanding a massive armada of fifty ships and over five thousand men. His reputation earned him a bounty of 17,000,000 berries, a very high sum for the relatively peaceful East Blue. Despite his regional dominance, Krieg's deep-seated ambition was to conquer the Grand Line, the treacherous and unpredictable sea route known as the "Pirate Graveyard," and ultimately claim the legendary treasure One Piece to become the Pirate King.

Driven by arrogance and a belief in the invincibility of overwhelming force, Krieg led his entire fleet into the Grand Line. The expedition proved to be a catastrophic failure. Within a mere seven days, his armada was almost completely annihilated by a single man: Dracule Mihawk, the world's greatest swordsman and one of the Seven Warlords of the Sea. Krieg and his surviving crew barely escaped with their lives, limping back to the East Blue on their flagship, which was left heavily damaged and on the verge of sinking. They were also on the brink of starvation, having lost all their supplies.

This desperate situation led Krieg to the floating restaurant Baratie. His crew member, Gin, who had been saved from starvation by the head chef, Sanji, informed Krieg of the ship. Upon arriving, Krieg, despite being offered provisions by the restaurant's owner, Zeff, immediately betrayed the act of desperation. His true, ruthless nature surfaced when he and his men attacked their saviors, intending to seize the Baratie to use as a new vessel for a second attempt on the Grand Line. This act of treachery and his ensuing battle with Monkey D. Luffy form the core of his role in the story.

Krieg's personality is a volatile mixture of paranoia, cruelty, and delusional arrogance. He is a tyrannical and authoritarian leader who rules his massive crew through terror and fear of his power, demanding absolute obedience. He views his underlings as disposable tools, willing to kill any crew member, including his most loyal first mate Gin, for insubordination or perceived failure. He is also a consummate liar and manipulator, demonstrated by his false show of weakness at the Baratie, and is infamous for fighting without honor, which has earned him the nickname "Foul-Play Krieg". Despite his crushing defeat in the Grand Line, he refuses to learn from his mistakes, stubbornly clinging to the belief that his superior weaponry and numbers are enough to overcome any enemy.

The most significant relationship in Krieg's story is with his right-hand man, Gin. Gin is fiercely loyal to his captain, yet his loyalty is rooted more in fear and a twisted sense of respect than genuine camaraderie. Krieg's complete disregard for Gin's life, demonstrated by his attempt to kill him with a deadly poison gas bomb (MH5) for refusing to murder Sanji, serves as the ultimate expression of his inhumanity. Other key relationships include his antagonism towards Monkey D. Luffy, who directly challenges his philosophy of power, and the cook Sanji, whose act of kindness to Gin indirectly leads to Krieg's downfall. Zeff, the head chef of the Baratie, is another figure Krieg underestimates, failing to understand that Zeff, a former legendary pirate from the Grand Line, is not intimidated by his threats.

Krieg's role in the story is primarily as the central villain of the Baratie Arc. He serves as a foil to the growing Straw Hat Pirates, representing a brute-force, resource-heavy approach to piracy that contrasts sharply with Luffy's more straightforward and principled style. His defeat at the hands of Luffy is a crucial milestone for the protagonist, proving that even the most powerful force in the East Blue can be overcome by willpower and determination. After being defeated by Luffy and knocked unconscious by Gin, Krieg and his few remaining men sailed away on a small boat, their ultimate fate unknown for many years.

Twenty-five years after his initial defeat, Don Krieg's story was revisited. In a later episode of the anime, Krieg is shown to have survived and even thrived to a degree. He and his loyal crewmates, Gin and Pearl, reappear as members of the crew of one of the Four Emperors, Marshall D. Teach, also known as Blackbeard, on the pirate island of Hachinosu in the New World. This development reveals his character's ultimate development: he was never deterred from his goal of conquering the Grand Line, and he achieved it not through his own armada, but by subsuming himself under a far more powerful pirate's banner.

In terms of abilities, Don Krieg's combat style is defined by his equipment rather than any Devil Fruit power. He wears a massive, gaudy, golden suit of armor made of Wootz steel, which is heavily reinforced with an array of hidden weaponry. This arsenal includes an explosive spear, a high-caliber flintlock rifle, a machine gun-like "Needle Gun," deadly poison gas bombs (MH5), and a spiked, bulletproof cape. Physically, Krieg possesses immense strength, capable of wielding his heavy, weaponized armor with ease and delivering powerful blows. While a skilled and cunning tactician, he relies on cunning and dirty tricks, such as raising a white flag to surrender only to launch a surprise attack. His over-reliance on his "invincible" weaponry is ultimately his greatest weakness, as Luffy's unyielding spirit and raw power proved to be more than his mechanical arsenal could handle.