The world of One Piece is not just about laughs and adventures; it delves into darker themes like betrayal that can shake the bonds of trust among crew members.

While the Straw Hat Pirates embody loyalty, many other characters in the series have shown a willingness to deceive and harm their own comrades for personal gain or misguided beliefs, leading to profound consequences within their crews.

5 Nami

Betrayed the Straw Hat Pirates' Trust

As the navigator of the Straw Hat Pirates, Nami's betrayal stemmed from her past with Arlong, leading her to momentarily leave her crew. Despite the breach of trust, her friends stood by her, showcasing the resilience of their bond.

4 ​​​​​Squard

Turned on Whitebeard in a Moment of Deception

Squard's betrayal during the Marineford War revealed the vulnerability of trust in times of conflict, as he fell victim to manipulation and regretted his actions too late.

3 Donquixote Rosinante

Double-Crossed His Brother and Paid the Ultimate Price

Corazon's betrayal was rooted in duty rather than malice, yet it led to tragic misunderstandings and his untimely demise at the hands of his own kin.

2 X-Drake

Switched Allegiances for a Higher Purpose

X-Drake's betrayal of Kaido showcased the complexities of loyalty and sacrifice, as he navigated a path that challenged his sense of duty and morality.

1 Blackbeard

From Crewmate to Conqueror: The Ultimate Betrayal

Blackbeard's treacherous journey from a subordinate to a formidable foe epitomizes the most profound betrayal in One Piece history, marked by deceit, murder, and a lust for power that shattered the bonds of brotherhood.