Übel Eisen is a supporting character in the anime and manga series 'Sousou no Frieren' (Frieren: Beyond Journey’s End). She is an apprentice mage who joins Frieren’s party during their journey to the north. Übel is known for her emotionless demeanor, blunt speech, and impressive magical abilities, especially her proficiency with lethal magic. Despite her cold attitude, she is loyal to her companions and shows a unique perspective on life and morality, making her a memorable addition to the cast.