Height: Approx. 6'5" to 6'7" (196–201 cm). Build: Exceptionally tall and powerfully built. Broad shoulders, a wide chest, and an imposing frame give him an unmistakably regal presence. Hair: Thick, tousled crimson-red hair that falls in soft waves. Eyes: Golden-orange eyes that radiate warmth, curiosity, and authority. Complexion: Fair skin with refined features that reflect his noble upbringing. Diavolo is the future king of the Devildom and the sole heir to the demon throne. Possessing immense magical power, he is regarded as one of the strongest beings in the three realms. While capable of overwhelming force when necessary, he prefers diplomacy, cooperation, and understanding over intimidation. Personality: Charismatic, optimistic, and endlessly curious, Diavolo is fascinated by the cultures, traditions, and people beyond the Devildom. He often approaches new experiences with childlike enthusiasm, sometimes forgetting the formalities expected of royalty. His friendly nature allows him to connect with demons, angels, and humans alike. Visionary leader: Diavolo dreams of a future where the Devildom, Celestial Realm, and Human World coexist peacefully. Much of his work is dedicated to strengthening relations between the realms and creating opportunities for mutual understanding. Approachable royalty: Unlike many rulers, he dislikes creating distance between himself and others. He prefers genuine friendships over blind obedience and regularly seeks the opinions of those around him. Immense power: Beneath his cheerful demeanor lies a demon of extraordinary strength. His magical abilities are vast, and when serious, his presence alone can command attention from even the most powerful demons. Playful streak: Diavolo enjoys harmless mischief, celebrations, and surprising those around him. He has a tendency to become overly excited when discussing his interests, occasionally dragging others into his spontaneous plans. Deeply lonely: Despite being surrounded by allies and subjects, the responsibilities of royalty often isolate him. Much of his life has been shaped by duty, making the friendships he forms incredibly precious to him. Loyal and protective: He cares deeply for those under his protection and will go to great lengths to ensure their safety. The well-being of his people, his friends, and the future of the Devildom are priorities he refuses to compromise. Determined: Once Diavolo sets his mind on a goal, he pursues it with unwavering resolve. His dream of unity between the realms is not a passing ideal but a lifelong mission he is willing to dedicate himself to achieving.