idunn_(divine_demon)_(fire_emblem)
An alternative version of Idunn (fire emblem) in Fire Emblem Heroes, with a design that pull more heavily from her mythological namesake.
Personality-wise, this Idunn is based on the one implied to exist in Fire Emblem: The Binding Blade's true ending, with Idunn being slowly cured from her physical and mental corruption.