Setsuna has a calm, unflappable personality much like her father, Sesshōmaru. Born as the half-demon daughter of a powerful yōkai, Setsuna appears to be somewhat resentful of her status as a hanyō due to the fact that she is not as powerful as some full-fledged yōkai.

As a child, Setsuna was cheerful and carefree but as she grew into adolescence, she became aloof and cynical. She seems to have no qualms in using violence against her opponents, as she firmly believes killing enemies is a means t