# 2023 Digimon BOOSTER VERSUS ROYAL KNIGHT #BT13-088

> This 2023 Digimon Card Game promotion card features Belphemon: Sleep Mode as a Level 6 Mega Demon Lord, offering distinct strategic value for collectors and players alike.

Canonical URL: https://supercatch.com/product/digimon-booster-versus-royal-knight-belphemon-sleep-mode-bt13-088-alternative-art-r

## Identity

- **Year**: 2023
- **Manufacturer brand**: Digimon
- **Set / series**: BOOSTER VERSUS ROYAL KNIGHT
- **Card number**: #BT13-088
- **Product type**: TCG_CARD

## Description

The Belphemon: Sleep Mode card, designated as BT13-088, stands as a notable entry within the 2023 Digimon Card Game promotion series. As a Level 6 Mega Digimon classified under both the Demon Lord and Seven Great Demon Lords types, this card carries significant thematic weight for fans of the franchise's lore. Its purple Virus attribute and high DP of 11000 reflect its status as a powerful entity within the TCG's ecosystem. Collectors of the Digimon Card Game often seek out the BT13-088 alternative art variant for its unique visual interpretation of this iconic character. The card is released with an R rarity, making it a sought-after piece for those building comprehensive collections of the promotion set. While primarily distributed through promotional channels, its presence in the secondary market highlights its enduring appeal among enthusiasts who value both the artistic design and the character's narrative importance. Beyond its aesthetic appeal, the card offers distinct gameplay mechanics that intrigue strategy-focused players. Upon play or digivolution, it can utilize a Belphemon: Rage Mode card from the trash to negate attacks and opponent effects. Additionally, it provides a defensive option during the opponent's turn by trashing hand cards to stop incoming attacks. This versatility makes it a compelling subject for discussion within the community. For investors and hobbyists tracking the evolution of the Digimon Card Game, this promotion card represents a specific moment in the series' history. Whether you are a long-time fan of the Seven Great Demon Lords or new to the TCG, understanding the background of cards like BT13-088 enhances the collecting experience.

## FAQ

### What type of Digimon is Belphemon: Sleep Mode?

Belphemon: Sleep Mode is a Level 6 Mega Digimon belonging to the Demon Lord and Seven Great Demon Lords types. It is classified as a Virus attribute card with a purple color identity in the Digimon Card Game.

### How does the BT13-088 alternative art differ from the base card?

The BT13-088 variant is a promotion card featuring alternative artwork. It is distributed through specific promotional channels rather than standard booster packs, making it distinct from the main set releases in terms of availability and design.

### What are the strategic abilities of this card?

The card allows players to place a Belphemon: Rage Mode card from their trash onto its digivolution cards to prevent attacks and ignore opponent effects. It also offers a defensive ability during the opponent's turn by trashing two cards from hand to end an attack.

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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.