How much is Round Boulder worth?

The current Near Mint price for Round Boulder from UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck (Union Arena) is $0.10. The price has been stable over the past 7 days.

What set is Round Boulder from?

Round Boulder is from the UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck set, released January 2025. It is a U in Union Arena.

What rarity is Round Boulder?

Round Boulder is a U card from UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck in Union Arena.

Union Arena · ULive pricing

Round Boulder

Name: Round Boulder
Brand: Union Arena
SKU: union-arena-ue05st-demon-slayer-kimetsu-no-yaiba-starter-deck-round-boulder-u
Price: 0.10 USD
Availability: InStock

Stable0.0%

UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck, 2025 · #UE05ST/KMY-1-108

Round Boulder — trend data is still being collected. Check the price chart below for available history.

7h ago· Updated Oct 29, 2026

Card Details

TypeSite

Mana Cost2

Card TextActivate : Main Switch to Resting. Sideline This Card. All characters on your field gain 1000 BP until the end of the turn.

inkwell Fair Value™?· NM

$0.10

single source

—

Condition?

Confidencemedium

Prices as ofOct 29

Normal—

Cheapest printing—

Set Price Alert

Why This Price

inkwell Estimate

Fair Value$0.10

Movement

7D Change+0.0% (+$0.00)

Freshness

Prices as ofOct 29

Update cadenceDaily

Inkwell Fair Value$0.10NM · compare before you buy

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How much is Round Boulder worth?: The current Near Mint price for Round Boulder from UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck (Union Arena) is $0.10. The price has been stable over the past 7 days.
What set is Round Boulder from?: Round Boulder is from the UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck set, released January 2025. It is a U in Union Arena.
What rarity is Round Boulder?: Round Boulder is a U card from UE05ST: Demon Slayer: Kimetsu no Yaiba Starter Deck in Union Arena.