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  6. That Time I Got Reincarnated as a Slime - Booster Box

Union Arena · UE20BT: That Time I Got Reincarnated as a Slime · sealed

That Time I Got Reincarnated as a Slime - Booster Box

Union Arena price for That Time I Got Reincarnated as a Slime - Booster Box: $162.41 market, from $157.99 at the cheapest listing, updated Oct 20, 2026. Full price history since Jan 10, 2026 below.

Market price · Normal · Oct 20, 2026
$162.41
+0.3% this week · −1.4% in 30 days
Buy on eBay →
1 day0.0%
7 days+0.3%
30 days−1.4%
90 days+32.6%
1 year—
All time+62.5%

Sellers right now

$157.99lowest listing$199.99highest
Market price$162.41
Mid listing$169.00
30-day avg$162.88

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$162.41

One year

$98.2552-week low$165.6452-week high
In the range95%
All-time low$98.25
All-time high$165.64
First priceJan 10, 2026
Normal · market price
$94.22$120.19$146.16$172.14
$162.41
Jan 10Apr 14Jul 17Oct 20
TCGplayer market price · via tcgcsvtcgrate.com

Price story

That Time I Got Reincarnated as a Slime - Booster Box was released in June 2026. Launch-week prices are left out here: before supply arrives they are mostly guesses. The cheapest listing right now is $157.99, and the 30-day average market price is $162.88.

Printings

PrintingMarketLowHigh7d
Normal$162.41$157.99$199.99+0.3%

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