Olgierd von Everec is a fictional character from the video game series The Witcher, specifically featured in the expansion titled Hearts of Stone. He is a nobleman known for his tragic backstory and complex personality, often portrayed as a man caught between his desires and the consequences of his actions. In the game, Olgierd makes a pact with a mysterious entity, leading to his immortality but also to a series of misfortunes. His character explores themes of love, loss, and the moral dilemmas associated with power, making him a significant figure in the narrative of The Witcher 3: Wild Hunt.