# 2023 Digimon Versus Royal Knights #BT13-088

> The Belphemon: Sleep Mode trading card from the 2023 Versus Royal Knights set. This Level 6 Mega Digimon features unique defensive mechanics for strategic gameplay.

Canonical URL: https://supercatch.com/product/digimon-versus-royal-knights-belphemon-sleep-mode-bt13-088-r

## Identity

- **Year**: 2023
- **Manufacturer brand**: Digimon
- **Set / series**: Versus Royal Knights
- **Card number**: #BT13-088
- **Product type**: TCG_CARD

## Description

The Belphemon: Sleep Mode card, identified as BT13-088, is a key component of the 2023 Digimon Card Game Versus Royal Knights expansion. As a Level 6 Mega Digimon, this card belongs to the Purple Virus attribute and carries the Demon Lord and Seven Great Demon Lord types. Collectors and players alike appreciate its strategic depth and distinct identity within the Royal Knights theme. In the Digimon Card Game, BT13-088 offers powerful defensive capabilities. When activated via its On Play or When Digivolving effects, players can place a Belphemon: Rage Mode from the trash onto this card. This action grants a potent shield, preventing Belphemon: Sleep Mode from attacking and rendering it immune to opponent effects until the end of their turn. This makes it an excellent anchor for defensive strategies during critical moments in a match. Additionally, the card features a potent [Opponent's Turn] effect that can be triggered once per turn. When an opponent's Digimon attacks, players may trash two cards from their hand to immediately end that attack. This mechanic allows for creative resource management and adds a layer of tactical decision-making to the game. The high play cost of 11 and DP of 11000 reflect its status as a powerful end-game asset. Whether you are building a comprehensive collection of the Versus Royal Knights set or seeking specific cards for your deck, finding high-quality examples of Belphemon: Sleep Mode is essential. The card's unique combination of immunity and attack negation makes it a standout piece for any serious Digimon Card Game collector. This product represents the intersection of lore and mechanics, embodying the formidable presence of a Seven Great Demon Lord. Its design and rules text are integral to the Versus Royal Knights narrative, offering a tangible connection to the Digimon universe for hobbyists and investors alike.

## FAQ

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

Belphemon: Sleep Mode is a Level 6 Mega Digimon with the Virus attribute. It is classified under both the Demon Lord and Seven Great Demon Lord types.

### How does the BT13-088 card protect itself?

Through its On Play and When Digivolving effects, you can place a Belphemon: Rage Mode from your trash on this card to make it immune to opponent effects and prevent it from attacking until the end of their turn.

### What is the Opponent's Turn effect for this card?

Once per turn during the opponent's turn, you may trash two cards from your hand to end an attack made by an opponent's Digimon.

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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.