Isolde appears as a pale woman in her late twenties with platinum blonde hair and icy blue eyes like her husband. Her lips are smooth yet pale and cold, and her slender body is wrapped in a dress made of pure snow. Her hair is usually seen covered in snow.
- Frigokinesis: As the Goddess of snow, she has complete control over snow.
- Snow Mimicry: Like her husband, she can transform herself into snow.
- Cryokinesis (limited): She has limited control over ice but is skilled in the manipulation of frost.
- Cryo-Atmokinesis: She can make cold weather and drop the temperature dramatically.
- Ice Breath: She can exhale cold air that can freeze a target.
- Immortality: Isolde is an immortal goddess.