Arthur Boyle: Everything You Need to Know About Fire Force’s Plasma Knight

In the explosive world of Fire Force, few characters are as memorable and misunderstood as Arthur Boyle. Known for his chivalric delusions and deadly plasma sword, Arthur is a core member of Company 8 and one of the series’ most powerful characters. But beyond the knight persona lies a deeply layered individual whose strength is tied not just to fire, but to imagination and conviction. This article explores everything you need to know about Arthur Boyle—from his bizarre personality to his elite combat abilities and pivotal role in the series. Whether you're a new fan or a long-time viewer, this guide will give you a deeper understanding of the so-called "King of Knights."

Appearance

Arthur Boyle has a striking appearance that matches his eccentric personality. With blond, spiky hair and bright blue eyes, he stands out among his fellow Fire Soldiers. He typically wears the standard Special Fire Force Company 8 uniform, including the iconic blue firefighter jacket with luminous lines. During battle, Arthur is most often seen wielding his signature weapon: Excalibur, a high-frequency plasma sword that only he can effectively control.

His uniform also includes a protective balaclava and a utility belt to carry mission tools, though Arthur frequently removes his helmet to reveal his smug expression—usually when proclaiming his knightly mission. Overall, his appearance is a blend of tactical readiness and personal flair, echoing both his combat functionality and his delusional grandeur.

Personality

Arthur’s personality is one of the most distinct in Fire Force. He is wildly delusional, genuinely believing he is a noble knight on a holy mission. This knightly persona isn’t just for show—it’s the source of his power. The more immersed he is in his fantasy, the stronger he becomes. While this often makes him seem like a joke, Arthur is deadly serious about his chivalric code and duty.

He often clashes with others due to his arrogance and aloof nature, especially with Shinra Kusakabe, with whom he shares a rivalry. Despite this, they fight well together and push each other to grow. Arthur is also intellectually inconsistent—he can be hilariously dense in social situations, yet show moments of tactical brilliance in battle. This contradiction is part of what makes him so interesting: he’s both a fool and a genius, a joke and a threat.

Arthur’s refusal to accept reality isn’t just comic relief—it’s a psychological defense mechanism. His delusions protect him from the trauma of his past, making his fantasy world a kind of armor. Ultimately, Arthur is more than comic relief: he’s a tragic, powerful, and oddly inspiring character whose mind is his strongest weapon.

Background

Arthur’s backstory adds a layer of depth to his unusual personality. As a child, he lived with his parents in a small home where they ran a restaurant. However, his parents eventually abandoned him, leaving only a note that said he was now the “man of the house.” This moment was devastating—but it also marked the beginning of Arthur’s knight fantasy.

To cope with the trauma, Arthur began to believe he was a knight destined to protect the weak and uphold justice. He immersed himself in this imaginary identity, which allowed him to survive emotionally. This fantasy became the core of his identity and the fuel for his combat abilities.

His background also explains why he takes his delusions so seriously—they are not just games to him, but a means of survival. He joined the Fire Force to put his powers to use and soon rose through the ranks thanks to his unique abilities and raw talent. Despite his odd behavior, his fellow Company 8 members come to respect him, recognizing that beneath the bizarre exterior lies someone truly dependable.

Abilities

Arthur's abilities are not just a testament to his physical prowess but also to his indomitable will. His strength grows in direct proportion to his belief in his own identity as a knight, making his mindset the true source of his power. When fully immersed in his delusions, Arthur can achieve feats that border on the supernatural—cutting through space, overwhelming powerful enemies like Dragon, and even surviving otherwise fatal encounters.

His primary weapon is Excalibur, a self-generated plasma blade that functions similarly to a lightsaber. The blade can cut through nearly anything, including flames, walls, and even certain types of Infernals. His control over this weapon is second to none, making him a master of close-quarters combat.

Arthur also has incredible reflexes, agility, and durability, which allow him to go head-to-head with the most powerful enemies in the series. He’s especially skilled at aerial combat, able to maneuver mid-air using his plasma blade as a propulsion source.

One of Arthur's most fascinating abilities is his mental adaptability. Because his power is linked to belief, Arthur can quickly turn the tide of battle by changing how he perceives the situation. If he thinks he’s fighting a dragon or leading a crusade, his power surges dramatically.

In essence, Arthur is a character whose imagination becomes reality, and that makes him one of the most unpredictable and dangerous fighters in Fire Force.

Trivia

• Arthur’s strength increases with his delusions—the more he believes in his knight persona, the stronger he becomes.

• He often names mundane animals or items with medieval flair, like calling pigeons “griffons.”

• Despite his silly behavior, Arthur is one of the most powerful characters in the series.

• He shares a rivalry-friendship dynamic with Shinra, echoing classic hero vs. knight themes.

• His name “Arthur” and sword “Excalibur” are clear nods to King Arthur legends.

• Arthur is voiced by Yūsuke Kobayashi (JP) and Eric Vale (EN dub).

• He once battled a dragon-like opponent in space, showcasing the absurd scale of his power.

Conclusion

Arthur Boyle is far more than a comedic relief or eccentric sidekick—he's a symbol of imagination as strength, resilience in the face of trauma, and unwavering self-belief. His journey through Fire Force is as much about battling external enemies as it is about coming to terms with his own past and inner power.

Whether you admire him for his knightly bravado, plasma mastery, or hilarious delusions, one thing’s certain: Arthur leaves a lasting impact in every scene he’s in. As Fire Force progresses, fans eagerly await what new heights this unforgettable knight of flames will reach.

FAQ – Everything You Need to Know About Arthur Boyle

1. How Strong is Arthur Boyle?

Arthur Boyle is one of the most powerful characters in Fire Force, and his strength is deeply tied to his delusions of knighthood. As a Third Generation pyrokinetic, he can generate and manipulate plasma to form a sword of immense heat, capable of slicing through almost anything. His strength dramatically increases when he believes in his role as the "Knight King." This self-delusion allows him to unconsciously control plasma with extreme precision, rivaling even Shinra in raw combat ability. In his battle against Dragon, Arthur demonstrates unmatched resolve and growth, proving that his true power is linked not only to his physical capabilities but to the depth of his conviction.

2. Why Did Arthur Boyle’s Parents Leave Him?

Arthur’s tragic backstory reveals that his parents abandoned him at a young age. After falling into financial ruin, they left Arthur alone in an apartment, telling him that he was a brave knight defending a castle. While heartbreaking, this moment became the foundation of his delusion, which in turn became the source of his strength. Arthur internalized this fantasy, and it became a coping mechanism that evolved into a core part of his identity and power.

3. Who is Arthur Boyle?

Arthur Boyle is a Third Generation pyrokinetic and a member of Special Fire Force Company 8. Known for his eccentric behavior and self-proclaimed title of "Knight King," Arthur is often underestimated due to his goofy demeanor. However, beneath that lies a fearsome warrior whose plasma sword techniques and instincts in battle are almost unparalleled. He plays a crucial role in several key battles and grows to become one of the most formidable fighters in the series.

4. Is Arthur Boyle Stronger Than Shinra Kusakabe?

Arthur and Shinra Kusakabe are often seen as rivals, and comparing their strength depends on context. While Shinra possesses the Adolla Burst and can move at the speed of light, Arthur’s plasma manipulation, especially during his peak delusional state, allows him to go head-to-head with some of the strongest enemies, like Dragon. In their respective peak forms, Arthur may even surpass Shinra in certain areas, particularly in close combat and swordsmanship, though Shinra’s versatility and speed give him other advantages.

5. What Happened to Arthur Boyle?

Arthur’s journey reaches a turning point during his epic battle against Dragon, one of the series’ most intense showdowns. To defeat Dragon, Arthur transcends his limits, fully embracing his identity as the "Knight King." He uses his Excalibur sword to slay Dragon in space, a feat that symbolizes both his mental evolution and physical mastery of plasma. After the battle, Arthur's fate is left uncertain, with hints that he may have disappeared or ascended in some way, but his legacy lives on as one of the greatest warriors in Fire Force.

If you want the figure of Arthur Boyle, click in the image below!

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