The figure captures Nazo no Heroine X from Fate/Grand Order in a poised, striking stance that conveys mystery and confidence. Clean lines define her silhouette, with sculpted hair falling in layered strands and a calm expression that hints at hidden resolve. The painting and shading emphasize contrasts between matte fabrics and glossy accents, while fine details on the costume reflect the character's refined, otherworldly design. Overall, it presents a visually compelling interpretation that fans will recognize and appreciate as a premium Alter rendition.

Within Fate/Grand Order, Nazo no Heroine X is introduced as a mysterious heroine whose true identity remains hidden behind a mask of intrigue. She appears across a variety of events and stories as a calm, calculating presence whose actions seem to resolve crises while raising more questions about her origins and motivations. Despite the anonymity, she radiates a confident, timeless aura, working to preserve order in the face of paradoxes that threaten the timeline. The Alter interpretation by Spare Tail emphasizes her elegance and danger, translating the character's enigmatic essence into a sculpt that blends sleek lines, shadowed motifs, and a poised stance. The figure invites fans to imagine her hidden backstory and the choices that shaped her path, inviting continued speculation about her role in the Fate universe.