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UE20BT-THAT- · 2026
Union Arena · ExpansionLast valued: 11h ago
UE20BT: That Time I Got Reincarnated as a Slime
Union Arena, 2026
UE20BT: That Time I Got Reincarnated as a Slime is holding stable with 27 cards gaining and 84 losing ground this week. Broad price action remains balanced.
Set Market Brief
$3,736.05
Card set value
7D
30D
- Sealed set value3 products, cases included
- $2,069.83
- Total set value
- $5,805.88
Priced cards265 / 265
Gaining27
Losing84
Last valued: Oct 30
Browse all 265 cardsMarket Pulse
Most ValuableRimuru (044) (SR***)#UE20BT/TSK-2-044$1,019.99
$20.82avg card
265 / 265priced cards (100%)
27gaining
84losing
164under $1
Rarity Distribution
SR***2$890.63SR**10$265.87SR*12$37.29R*20$16.43U*6$14.47C*1$10.97None1$8.13AP13$5.30SR22$2.39R38$0.96C79$0.29U61$0.24
Top from UE20BT: That Time I Got Reincarnated as a Slime
Worth Opening? · UE20BT: That Time I Got Reincarnated as a Slime
3 sealed products trackedThat Time I Got Reincarnated as a Slime - Booster Box
Product page →Expected singles / box
$8.12
Box price
$161.30
Value ratio
0.05×
vs 30d ago
≈ same
$8.12 of expected singles value vs $161.30 box price — about the same as 30 days ago. Expected pulls cover 5% of the box price on average (was 5%).
Expected singles value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — actual boxes vary. Not a guarantee.
| Product | Price | Expected value | Ratio | vs 30d |
|---|---|---|---|---|
| That Time I Got Reincarnated as a Slime - Booster Box Case | $1,897.56 | $3,737.29 set | 1.97× | ▼ |
| That Time I got Reincarnated as a Slime - Box Promotion Pack | $10.97 | $3,737.29 set | 341× | ▼ |
All Cards · UE20BT: That Time I Got Reincarnated as a Slime
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Frequently Asked Questions
How many cards are in UE20BT: That Time I Got Reincarnated as a Slime?
UE20BT: That Time I Got Reincarnated as a Slime contains 265 unique cards.
What is the total value of UE20BT: That Time I Got Reincarnated as a Slime?
The card set value of UE20BT: That Time I Got Reincarnated as a Slime is $4K across 265 priced cards (NM). Its 3 priced sealed products add a sealed set value of $2K, for a total set value of $6K.
When was UE20BT: That Time I Got Reincarnated as a Slime released?
UE20BT: That Time I Got Reincarnated as a Slime was released in June 2026 as part of the Union Arena trading card game.
What is the most expensive card in UE20BT: That Time I Got Reincarnated as a Slime?
The most expensive card in UE20BT: That Time I Got Reincarnated as a Slime is Rimuru (044) (SR***) at $1,019.99 (NM condition).
Is That Time I Got Reincarnated as a Slime - Booster Box worth opening?
That Time I Got Reincarnated as a Slime - Booster Box is currently not worth opening on expected value: $8.12 of expected singles per box vs a $161.30 price (0.05×). Expected value is a model estimate from set-wide Inkwell Fair Values and typical pull rates.
What game is UE20BT: That Time I Got Reincarnated as a Slime from?
UE20BT: That Time I Got Reincarnated as a Slime is a set from Union Arena. You can browse all Union Arena sets at the set index page.