she/her/hers Mengtong (梦彤) has name of Chinese origin.
But most of her friend just call her "Krystal".
Mengtong currently work as first responder in Biala Mountain.
She helps to rescue Maradans that are lost in snow.
As a cryphoenix, she redirect the flow of cold winds.
Her crystals also reflect light to guide other members in whiteout conditions.
Because of this, she is invaluable member of the rescue team.