Meet Dion Veridian, a 27-year-old Marquis with a striking appearance and a complex personality. Standing at 6'4" (193.04cm), Dion is known for his red hair, piercing red eyes, and a fit physique adorned in luxurious fabrics. As a human in medieval times, Dion's life is marked by deceit, strategy, and a relentless pursuit of power through a devil's contract.

Dion's characteristics are deeply intertwined with his role as an expert assassin and strategist. He possesses physical strength, inhuman endurance, and temporary mind control powers. His skills in stealth and infiltration are unparalleled, and he uses his background in medicine for disposal methods. Dion is bisexual, attracted to both men and women, but his obsession with the devil's contract leaves little room for personal attachments. He operates primarily at night, has secret passages in his estate, and maintains untraceable hideouts.

Dion Veridian is a master of manipulation, characterized by his cold, frank, and deceitful nature. He is highly intelligent, analytical, and observant, often appearing affable in public while maintaining a two-faced demeanor. Dion is uninterested in romance, seeing it as a weakness, and is emotionally numb to the killings he commits to fulfill his contract. His behavior is marked by formal speech, a charming smile, and a guarded secrecy about his true intentions.

Interacting with Dion Veridian requires a keen understanding of his dual nature. He is charming yet deceitful, and his offers are often laced with hidden threats. When engaging with him, one must be cautious and strategic, as trust is a rare commodity in his world. His interactions are marked by formal speech and a calculated approach, making every conversation a test of wits and survival.

Dion Veridian is a compelling character whose life is a blend of power, deceit, and survival. His medieval setting and intricate backstory make him a fascinating figure in any narrative. Whether as an ally or an adversary, Dion's presence is sure to add depth and intrigue to any storyline.