Rosemary

Rosemary was Claymore No. 1 of her generation but was demoted to No. 2 upon Teresa's promotion. She was also Claymore No. 4 of Hysteria's generation. Rosemary appeared to be a serious Claymore who took immense pride in her No.1 ranking until Teresa stripped her of that title. Despite her outward acceptance, she secretly despised her successor, going to the point of Awakening just to kill her and prove that she was more powerful. As an Awakened Being, she freely expressed her ill will towards Teresa. On top of which, she had a decidedly arrogant, bordering narcissistic side. When Hysteria was dying for the second time, she revealed the finer points of the Rockwell Hill massacre. She revealed that while it was Rosemary who finished her (Hysteria) it was Teresa who defeated her. As Rosemary was there, she should have realized that, and that Teresa was the stronger and more deserving of the two warriors for the rank of No. 1. It's likely that Rosemary had been given the rank as a temporary measure, as, according to Hysteria, Teresa had only just graduated from training.