Ganymede is the last surviving member of a race of warrior women known as the Spinsterhood, a group which was formed with the sole purpose of destroying the cosmic being known as Tyrant. After a centuries long cyrogenic sleep, she awakened to find Tyrant's servants kidnapping powerful cosmic entities in order to drain their powers for their master's own ends.
I'm thinking the glow should probably be a bit more muted where her hands are grasping the staff although your cloth folds look better on this one. Good job.