Mirabel is a human woman of medium height and average build. She has golden brown hair and grey-blue eyes. She has a pretty face, with a small round chin, small nose and slightly plump cheeks. She smiles frequently.  She has small, pert breasts and a slightly larger bottom. You would estimate that she is in her mid-20s.

She has a soft voice, though she sounds educated, cultured and confident.

She likes a range of outfits and seems to prefer white, gold and pale grey colours. She usually wears a circlet with a gemstone. She sometimes wears armour, with a shield and mace. She also often has a flintlock pistol.