TV-Series
Description
Kaldo Gehenna serves as a Divine Visionary in the Bureau of Magic, bearing the title "Flame Cane" and leading the Magic Talent Administration subdivision. His duties involve screening new magic users and overseeing Divine Visionary candidates. He hails from the renowned Gehenna lineage, famous for producing Divine Visionaries, inheriting both his position and an enchanted family heirloom: a black sword that conjures inextinguishable black flames capable of incinerating anything it touches. This blade frequently replaces a wand in combat. He stands 175 cm tall, weighs 71 kg, and possesses white hair styled with spiral-tipped bangs secured by red fabric. His eyes typically appear closed, and two intersecting magic marks form an X-shape beneath his right eye. His attire consists of a dark blue overcoat worn over a tailored three-piece suit, a white shirt, red necktie, and gloves.

His personality contrasts outward cheerfulness with inner ruthlessness. He employs calculated "games" to test individuals' capabilities and leverages his authority to enforce compliance. Despite this manipulative tendency, he exhibits protective instincts, notably shielding Lemon Irvine. He recognizes latent talent, exemplified by his mentorship of Finn Ames, refining the boy's healing abilities through intense, unconventional training. A defining trait is his extreme obsession with sweetness, particularly honey and syrup. He habitually adds excessive amounts to all foods and beverages—including sashimi and coffee—a preference others find revolting. Criticism of his taste deeply affects him. Consuming an entire jar of honey triggers "Worker-Bee Mode," granting him a significant surge in physical energy and combat effectiveness.

His magical abilities center on Heat Magic, generating and manipulating thermal energy without a wand. As a double-liner, he possesses immense innate magic power rivaling triple-liners. Combat proficiency extends beyond spellcasting; he is a master swordsman wielding his family blade to swiftly eliminate threats. Physical strength is exceptional, enabling feats like manually turning the demanding Wind-up Key of Life.

Key narrative involvements include:
- Testing Mash Burnedead's resolve before the Divine Visionary exam's third preliminary round, engaging him in a duel showcasing sword techniques that concluded with mutual respect.
- Guiding Finn Ames to master advanced healing magic within 30 days through rigorous training, later assigning Finn to Ryoh Grantz's squad during the assault on Innocent Zero's stronghold.
- Remaining on defensive duties during the Eclipse Arc, protecting the comatose Mash from a beast-user attacker and single-handedly defeating Divine Visionary candidate Galbo Botteri instantly.
His culinary eccentricities—especially honey-drizzled sashimi—became infamous among peers, even adopted as a torture method due to their universally disliked taste.

Interpersonal dynamics include professional respect for Wahlberg Baigan and acknowledgment of Mash Burnedead's potential. Fellow Divine Visionaries like Ryoh Grantz and Orter Mádl express bewilderment or disapproval over his sweet-related habits. He resides with his parents and frequents sushi restaurants, dedicating his salary to researching honey-based dishes. Trivia notes include winning a "You Look, You Lose" championship twice, foot size of 26 cm, blood type A, and hobbies centered on human observation.