Milim Nava stands as the sole known Dragonoid and one of the original generation of Demon Lords. Born millennia ago to Veldanava, the Star King Dragon, and Lucia, sister of the first Eastern Empire emperor, she lived a peaceful life as a princess in the Kingdom of Nasca with her parents and pet dragon, Gaia. The deaths of her parents in her youth left Gaia as her only companion. A plot by the Super-Magic Kingdom of elves led to Gaia's death, triggering Milim's uncontrollable rage. This destroyed the elven capital and killed thousands, awakening her as a True Demon Lord through a harvest festival that revived Gaia as a corrupted Chaos Dragon. Her ensuing rampage threatened global destruction until Guy Crimson fought her for seven days and Ramiris pacified her, leading to the formation of the Demon Lord council. Milim typically appears as a youthful girl, often mistaken for 12-15 years old, with platinum-pink hair in twin tails and blue eyes. Her common outfit features a bare-midriff top resembling a swimsuit, thigh-high socks, and mismatched legwear, though adaptations sometimes depict a toned-down skirt and longer top. Her True Form reveals draconic features including crimson horns, large wings, and jet-black armor. When entering the berserk Stampede state, her skin darkens, and she dons fiery red-and-black organic armor with enhanced draconic elements. Her personality blends childlike exuberance with formidable intelligence. Energetic, mischievous, and impulsive, she constantly seeks entertainment through battles or new experiences like food and fashion. Despite her whimsical demeanor, she is highly observant and cunning, capable of complex schemes—such as feigning mind control by Clayman to gather information. She despises boredom, neglects rulership duties, and reacts strongly to insults about her appearance or maturity. Deeply loyal to friends, she avoids unnecessary violence but possesses a fearsome temper when provoked. Her friendship with Rimuru Tempest softened her jaded outlook over time. Ranked among the world's strongest beings, Milim's key abilities include the Unique Skills "Dragon Eye" for seeing through deceptions and assessing energy levels, and "Dragon Ear" for enhanced hearing. Her Ultimate Skill, "Wrathful King Satan," grants near-limitless magicules. Combat techniques involve "Dragon Star Burst" (city-destroying beams) and "Dragon Star Nova" (nation-level annihilation). She employs multi-layer barriers for near-absolute defense and control. Her full power is unleashed in "Hell Mode" or "Stampede," risking catastrophic damage. Rimuru crafted "Dragon Knuckles" to help restrain her strength. Significant relationships define her arcs. Gaia, her resurrected pet dragon, symbolizes her tragic past and healing. Rimuru Tempest became her self-proclaimed "best friend" after she initially sought to make him a subordinate; their bond centers on shared meals, honey treats, and collaborative projects like dungeon management. Frey, a former Demon Lord, serves as her stern yet trusted subordinate and confidante, while Carrion (ex-Beast King) aids her after losing a duel. Ancient ties link her to Guy Crimson (rival), Ramiris (mentor), and Veldora Tempest (uncle). She governs the Forgotten Dragon City, where priests handle daily affairs while citizens revere her for past protection against monsters. Milim's development spans a transition from isolation to engagement. Millennia of apathy ended when her alliance with Rimuru revitalized her interest in the world. She played an instrumental role in thwarting Clayman's schemes, pretending enslavement before betraying him at Walpurgis. This resulted in Frey and Carrion becoming subordinates, expanding her domain into an empire encompassing Eurazania and Fulbrosia. Initially resistant to rulership responsibilities, she accepted this role out of loyalty to Frey and guilt over her controlled attacks on Eurazania. Her arc parallels Rimuru's, emphasizing growth from self-centered freedom to protective leadership, aided by allies who balance her impulses. Trivia notes her hatred of raw vegetables due to temple offerings, a love for honey and sweets, and alternate appearances in crossovers under names like "Dianthus." She consistently moderates her power outside her world to avoid unintended destruction.