How Old Is Rimuru Tempest in a Silent Voice?

It's an interesting question that brings together two beloved anime titles! However, there seems to be a slight mix-up in the query. Rimuru Tempest is the charismatic protagonist of the popular fantasy series That Time I Got Reincarnated as a Slime, not A Silent Voice (Koe no Katachi). While both are fantastic stories, they exist in entirely different universes with distinct characters and themes.
A Silent Voice centers on the lives of Shoya Ishida and Shoko Nishimiya, exploring themes of bullying, communication, and redemption. Rimuru Tempest, on the other hand, is a powerful slime who builds a new nation for monsters in a magical world.
But don't worry! Even with this clarification, we can still dive deep into everything you want to know about Rimuru Tempest, including his age, identity, powers, and the world he inhabits. We'll answer the age-old question (pun intended!) about this unique character and guide you through the fascinating lore of his own series.

Setting the Record Straight: Rimuru Tempest's True Home

To reiterate, Rimuru Tempest is the central figure in That Time I Got Reincarnated as a Slime (also known as TenSura or Slime Isekai). This series follows his journey from an ordinary human in Japan to a powerful, nation-building monster. If you were thinking of characters from A Silent Voice, you might be recalling Shoya, Shoko, or their classmates, whose stories are entirely different from Rimuru's epic adventures.
Understanding this distinction is the first step to appreciating Rimuru's unique existence. Before we dive into his age, if you're curious to , we have a dedicated guide covering the incredible performances in both Japanese and English, a crucial part of his appeal across both series.

Decoding Rimuru's Age: A Journey Through Reincarnation

Pinpointing Rimuru Tempest's age isn't as straightforward as it might seem, primarily because his existence spans two very different lives. When he was a human named Satoru Mikami, he was 37 years old at the time of his death. Following his reincarnation as a slime in a new world, he spent approximately two years as a nascent monster before the main events of the story unfold significantly.
Therefore, combining these two phases, Rimuru's total chronological age, encompassing both his human and slime lives, is around 39 years old. However, it's important to remember that as a slime, and later as a powerful demon lord, his perception of time and biological aging functions very differently from that of a human. His true "age" is a blend of his past experiences and his current, evolving existence. For a complete chronological breakdown of his journey, we invite you to , charting every significant moment from his past life to his reign as a powerful demon lord.

The Many Facets of Rimuru's Being: Appearance, Identity, and Power

Rimuru Tempest is far more than just a powerful slime; he's a complex character with an intriguing personal history and unique attributes. His forms, identity, and capabilities are central to his story.

From Human to Slime: Rimuru's Evolving Forms

Initially, Rimuru Tempest was Satoru Mikami, a human office worker. After his reincarnation, he became a simple blue slime, a form he maintains as his true essence. However, through his abilities, he can take on other appearances, most notably a sophisticated, light steel blue-haired, gold-eyed "human" form. This form is derived from Shizu, a revered figure he encountered early in his new life. To —how he acquired it, its significance, and how it differs from his original human appearance—our specialized guide offers a thorough examination.

Gender Identity: A Unique Aspect of Rimuru

One of the most distinctive aspects of Rimuru's character is his gender. As a slime, he is inherently genderless. While he can assume a human-like form, he doesn't physically possess male or female biological characteristics in that state either. Despite this, Rimuru identifies and presents himself as male, often using male pronouns and acting in ways he perceives as masculine. This fascinating aspect of his identity is explored in depth if you wish to and its implications within the world of That Time I Got Reincarnated as a Slime.

Unraveling Rimuru's Powers and Abilities

From his seemingly simple beginning as a slime, Rimuru rapidly evolves into one of the most formidable beings in his world. His powers include the ability to analyze, mimic, and evolve skills and physical attributes of anything he consumes, thanks to his unique skills like Great Sage (later Raphael, and ultimately Ciel). This allows him to adapt, grow incredibly strong, and wield a vast array of magical and physical capabilities. From Great Sage to Raphael and beyond, there’s an incredible depth to his capabilities; you can by consulting our comprehensive guide, detailing every evolution and breakthrough.

The Heart of a Monster: Rimuru's Personality and Leadership

Despite his monstrous exterior and immense power, Rimuru retains many human traits and a remarkably complex personality. He often acts like a mature adult, displaying wisdom, kindness, and a strong sense of justice, deeply caring for his subordinates and allies. However, he also possesses a surprisingly childish side, easily getting excited by new experiences or food. His polite nature from his past life often makes it difficult for him to refuse requests for help, sometimes leading him into more work than he initially intended.
Rimuru is incredibly resourceful, quick-witted, and prefers diplomacy over conflict, aiming to build a peaceful multi-racial society. Yet, there’s a colder, more pragmatic side to him, especially when those he cares about are threatened—his rage can be truly terrifying. His primary weakness is a tendency towards self-doubt and being easily swayed in negotiations, often agreeing to terms that might not be entirely in his favor. To , alongside his strategic brilliance and surprising vulnerabilities, our dedicated article provides unparalleled insight.
As the founder and King of the Jura Tempest Federation, Rimuru's leadership is characterized by benevolence, strategic foresight, and an unwavering commitment to his people. His goal is to create a utopian society where all races can live together in harmony, protected by his formidable power. His leadership is pivotal to the ongoing narrative, and you can , becoming its beloved and formidable ruler, in our in-depth feature.

Beyond the Age Question

While the initial question might have led you to A Silent Voice, we hope this comprehensive look at Rimuru Tempest has satisfied your curiosity about this incredible character from That Time I Got Reincarnated as a Slime. Rimuru's journey is a testament to growth, leadership, and the power of compassion, even in a world filled with monsters and magic. There's always more to explore in his vibrant world, and we encourage you to delve deeper into his story and the intricate details that make him such a beloved protagonist.