Kengo Benimaru and Rimuru Tempest are both powerhouses in 'That Time I Got Reincarnated as a Slime,' but comparing their strength is tricky because their roles and abilities are so different. Benimaru is a seasoned warrior, a master of swordplay and fire-based magic, and his evolution into a Kijin and later a True Demon Lord makes him one of Rimuru’s most formidable subordinates. His raw combat skills and tactical brilliance shine in battles like the clash against Clayman’s forces. But Rimuru? He’s on another level entirely—absorbing skills, evolving into a Demon Slime, and even gaining godlike abilities later in the story. Benimaru might be the sharper blade in a direct duel, but Rimuru’s versatility and sheer power ceiling make him the ultimate force in the series.
That said, Benimaru’s loyalty and growth are part of what makes him so compelling. He’s not just a subordinate; he’s Rimuru’s right hand, embodying the trust and camaraderie that define the Jura Tempest Federation. While Rimuru outscales him in pure power, Benimaru’s presence is irreplaceable—he’s the flame that lights the way for others. Their dynamic isn’t about who’s stronger; it’s about how they complement each other. And honestly, that’s way more interesting than a straightforward power ranking.
Rimuru Tempest stomps, no contest. Benimaru’s awesome—don’t get me wrong—but Rimuru’s progression is insane. From a slime to a True Dragon-level entity, he’s basically cheating. Benimaru’s strength peaks as a top-tier warrior, but Rimuru keeps evolving, absorbing everything in his path. It’s like comparing a bonfire to the sun.
2026-04-16 19:06:50
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Kengo Benimaru from 'How a Realist Hero Rebuilt the Kingdom' is this absolute powerhouse with a mix of combat skills and tactical genius that makes him stand out. His swordsmanship is top-tier, honed through years of training and battlefield experience. He’s not just swinging a blade mindlessly—every move is calculated, almost like he’s playing chess while everyone else is stuck in checkers. Then there’s his fire magic, which is no joke. He can summon and control flames with precision, whether it’s for offense or defense. The way he integrates magic into his swordplay is seamless, creating this deadly combo that’s hard to counter.
What really sets him apart, though, is his leadership. He’s not just a lone wolf; he’s a strategist who understands how to command troops and adapt on the fly. His ability to read the battlefield and make split-second decisions is what makes him a nightmare for enemies. Plus, his loyalty to Souma and the kingdom adds this layer of depth to his character—he’s not just fighting for himself but for something bigger. It’s rare to see a character who balances raw power with such sharp intellect, and that’s why he’s one of my favorites in the series.
Kengo Benimaru is one of those characters who just steals every scene he's in in 'That Time I Got Reincarnated as a Slime'. He starts off as this fierce ogre leader, all pride and fire (literally, since he’s got flame powers), but after Rimuru Tempest wipes the floor with him and his siblings, he becomes this loyal, almost brotherly figure in Rimuru’s growing empire. What I love about Benimaru is how his character arc isn’t just about strength—it’s about leadership. He’s the kind of guy who’s terrifying in battle but also has this deep sense of responsibility for his people. Like, he doesn’t just fight for fun; he fights to protect the village and the kids who look up to him.
And his dynamic with Rimuru is so fun to watch. At first, he’s all 'I’ll never serve anyone,' but then he’s basically Rimuru’s right-hand man, coordinating battles and even helping govern. The way he balances his ogre heritage with his new role as a general is super compelling. Plus, his design is just chef’s kiss—those red markings, the samurai vibe, and that cocky grin. Every time he shows up, you know things are about to get awesome. Honestly, if Tempest had a 'Most Reliable Badass' award, Benimaru would win it every year.
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One of my favorite things about him is how he balances loyalty with independence. He respects Rimuru deeply but isn’t afraid to voice his opinions or take charge when needed. Like in the Falmuth invasion arc, where he basically leads Tempest’s forces to victory with minimal casualties. He’s also the one who trains the other generals, like Shion and Hakuro, which shows how much trust Rimuru places in him. Honestly, without Benimaru, Tempest’s army would lack that perfect mix of discipline and ferocity. He’s the glue that holds everything together, and his development from a proud warrior to a true leader is one of the best arcs in the series.