While working for NESTS, she would not fail to kill anyone she found unworthy. During her time with NESTS, her feelings were repressed, as she was portrayed as a cold girl executing her mission. Her personality later warmed, with her becoming more childish. Kula is trying hard to establish herself as a humane person, so people don't look at her as if she is some kind of weapon. She doesn't use her powers to their full extent and prefers close combat instead to avoid killing anyone by accident