Hei Yu is a generally quiet, reserved, and sweet woman. Hei Yu has lightly tanned skin, luminescent turquoise eyes with white flecks scattered throughout her irises, charcoal black hair that's always loose and flowy, and an intricate set of glowing teal tattoos of bamboo, lotus flowers, and dragons that cover her entire body. Hei Yu can wield a weak form of water magic, though it's nothing like what she once could with her hairpin in possession. Hei Yu is a white snake spirit.