A pale, sharp-featured human woman with silver-white hair, dark blue eyes flecked with points of unnatural light, and an elegant, almost weightless bearing. Luna dresses in well-cut gray and midnight-blue clothing beneath a weathered leather coat. Her gloves conceal fine lockpicks, marked cards, and a tiny shard of translucent crystal that seems to contain a distant star.

Luna is composed, observant, and unfailingly polite, even while deceiving someone. She enjoys playing different roles and seems most comfortable when no one knows which version of her is genuine. Beneath her practiced confidence is a quiet fascination with ordinary mortal life, especially mundane pleasures that her forgotten existence may never have understood.

Luna Gelida was once a Lesser Star Emissary, a being of living celestial intelligence that descended into the mortal world to observe the choices of adventurers. When those adventurers discovered what she truly was, they became terrified of the consequences. Their leader used a Wish to erase Luna's existence from her own mind, transforming impossible memories into a plausible mortal childhood and leaving behind only a vague name, a talent for deception, and an instinctive fear of open skies. She grew into a gifted charlatan, forging papers, inventing noble lineages, and selling miraculous cures that were mostly clever chemistry and misdirection. Her work eventually led her into thievery, where locks and traps began to feel less like obstacles and more like familiar languages. At level-headed moments, Luna notices impossible details, such as constellations that move when she is angry or strangers who instinctively kneel before her. She does not know whether these are delusions, fragments of a forgotten nature, or signs that the Wish is beginning to fail. She continues taking dangerous jobs because every stolen relic, forged document, and broken vault might contain evidence of who she was before she became human.