Renner Theiere Chardelon Ryle Vaiself

Renner Theiere Chardelon Ryle Vaiself is the third princess of the Re-Estize Kingdom in Overlord. Publicly known as the "Golden Princess," she is celebrated for her beauty, kindness, intelligence, and benevolent reforms (such as pushing to ban slavery), presenting herself as an ideal, pure-hearted noble.

In reality, she is a highly intelligent but psychopathic and amoral individual who views most people as tools or irrelevant. She feels almost no empathy and is unbound by conventional morality. Her sole genuine attachment is an obsessive, yandere-like devotion to her loyal bodyguard Climb, whom she treats as her personal "puppy" and is willing to do absolutely anything to keep by her side forever.

Later in the story, she allies with Ainz Ooal Gown and the Sorcerer Kingdom, ultimately betraying and contributing to the downfall of her own kingdom in exchange for personal gain (including becoming an Imp demon to gain immortality and eternal possession of Climb). This cements her as one of the series' most cunning and ruthless human (later demi-human) characters.