“I've felt much grief over what I had to do to Mother, I'll have you know. But if the... incident became known, my reputation would be ruined. When I realized that that girl had seen what I'd done, I had to silence her. She was just a hired guard, so I'd hoped to kill her then and there, but she escaped... It's only natural I'd put the blame on her.”
—Rentzenheimer, in a conversation with Dolmu
Rentzenheimer (レンツェンハイマー Rentsenhaimā, fan translated as Lentzenheimer) is an enemy character from TearRing Saga: Utna Heroes Saga. He is the son of Duke Dolmu of Zemseria and the self-proclaimed rival of Runan. He is also a member of the royal family of Reeve through his mother.
During the fall of Reeve, Rentzenheimer encourages his father to betray Reeve and seize control of Razelia as a vassal of the Zoa Empire. Following this, he was placed as an overseer of Razelia under his father's command and began ruling as an amoral tyrant. After his mother accused him of being inhuman because of his cruelty towards the Razelian citizens, he murdered her and pinned the blame on Julia, who had witnessed the crime. To cover up the murder and secure his position as the heir to the throne of Reeve, Rentzen hired Vega to hunt her down.
When Runan's army approaches Zemseria, Rentzenheimer has a conversation with Dolmu about the murder of his mother and framing of Julia. After Prince Julius withdraws Canaan's forces from Zemseria, Rentzenheimer also decides to leave. Before departing, he advises his father to raise the drawbridges in order to exploit Zemseria's natural defenses at the expense of his frontline soldiers.
In the first version of Map 26, Rentzenheimer becomes concerned about Runan's advance towards Razelia and requests reinforcements from Zeek, who leaves him behind to die, but still provides some soldiers to cover his own retreat. He arms himself with the ☆Rukuud and enters a battle against Runan's army, during which he ultimately dies. In the second version, Rentzenheimer apprehends Arkis as he attempts to flee with his fiancée, Rina. He forces Arkis to fight for him by taking Rina as a hostage. In order to provoke Runan's forces into killing Arkis, Rentzenheimer dresses him as a Dark Soldier, hiding his face with the helmet. As Runan's army approaches Razelia, Rentzenheimer hires Golgoda as a bodyguard and equips the ☆Rukuud. He also hires a group of brigands to disguise themselves as captive maidens in order to ambush Runan's forces.
If Rentzenheimer is challenged by Julia or Vega, they will take vengeance for his deception and claim the ☆Rukuud after his death.
Rentzenheimer is a cruel man who desires to claim the throne of Reeve as his own. He is usually calm, but he can be deeply angered, as shown by his reaction to his mother's criticism of him. He feels regret for murdering his mother because it could tarnish his reputation. He is extremely envious of Runan because of his popularity both among the nobles and civilians. His hatred for Runan is his reason for encouraging Dolmu to betray Reeve.