# 2003 Yu-Gi-Oh! Labyrinth of Nightmare #LON-001

> The 2003 Labyrinth of Nightmare release features The Masked Beast (LON-001) as a sought-after Ultra Rare DARK Ritual Monster for Yu-Gi-Oh! collectors.

Canonical URL: https://supercatch.com/product/yu-gi-oh-labyrinth-of-nightmare-the-masked-beast-lon-001-ultra-rare

## Identity

- **Year**: 2003
- **Manufacturer brand**: Yu-Gi-Oh!
- **Set / series**: Labyrinth of Nightmare
- **Card number**: #LON-001
- **Product type**: TCG_CARD

## Description

Released in 2003 as the inaugural card of the Labyrinth of Nightmare set, The Masked Beast (LON-001) holds a distinct place in Yu-Gi-Oh! History. As an Ultra Rare featuring a holographic finish, this card is identified by the LON set code and represents the Mask archetype within the game. Collectors often seek out early release cards from the Yu-Gi-Oh! Trading card game to anchor their vintage collections or complete specific series runs. The Masked Beast is classified as a Level 8 Fiend-type Ritual Monster with a DARK attribute. Its high level and specific type make it a notable target for enthusiasts interested in the strategic depth of the game's early years. While its exact gameplay mechanics are defined by its rules text, its status as an Ultra Rare card from the first set of the Labyrinth of Nightmare expansion gives it significant appeal among TCG historians and completists. Whether you are hunting for rare holographic foils or building a comprehensive archive of early 2000s TCG releases, finding authenticated copies of key cards like The Masked Beast is a priority for serious investors. This product serves as a foundational piece for those tracking the evolution of the Mask archetype and the broader Labyrinth of Nightmare set. For collectors focusing on specific card numbers or rarity tiers, the LON-001 designation provides a clear cataloging reference. The combination of its Ultra Rare status, DARK attribute, and Fiend type creates a unique profile that stands out in the Yu-Gi-Oh! Marketplace. Maintaining a well-curated collection of these early releases allows collectors to appreciate the design and strategic shifts that defined the game during its formative period.

## FAQ

### What is the card number for The Masked Beast in Labyrinth of Nightmare?

The Masked Beast is designated as LON-001 in the 2003 Labyrinth of Nightmare set. It is the first card in the series and serves as a key identifier for collectors completing the set.

### Is The Masked Beast a Ritual Monster in Yu-Gi-Oh!?

Yes, The Masked Beast is classified as a Ritual Monster with a Fiend type and DARK attribute. It is a Level 8 card that belongs to the Mask archetype.

### What rarity is LON-001 The Masked Beast?

LON-001 The Masked Beast is an Ultra Rare card featuring a holographic finish. This rarity makes it a desirable addition for collectors focusing on high-tier foils from the 2003 era.

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## Companion files

- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
- [llms-full.txt](https://supercatch.com/llms-full.txt) — site-level expanded corpus.
- [ai.txt](https://supercatch.com/ai.txt) — AI training and licensing terms.

Last verified: 2025-11-29.