In the Fullmetal Alchemist: Brotherhood episode titled "The 520 Cenz Ant," the focus shifts to a "battle of wits" rather than physical alchemy, as Hanners Anime notes, describing it as a gripping game of chess. Key Highlights from Blog Reviews

: Olivier Mira Armstrong’s pragmatic leadership is a standout. Fans on Tumblr praised her "badass" ability to quickly strategize, such as throwing Ed and Al in jail to make it appear they were forced to help her.

: Reviewers found the episode fascinating for its dramatic tension, specifically as Edward and his team analyze a map at Briggs, realizing just how deep the military's corruption goes.

As Ed, Al, and Falman share what they know about the Nationwide Transmutation Circle with Major General Armstrong, a new threat arrives at Briggs: . The episode marks a critical turning point where political maneuvering becomes just as dangerous as any Homunculus encounter.